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diff --git a/src/model/heat_transfer/heat_transfer_model.cc b/src/model/heat_transfer/heat_transfer_model.cc
index 6f9f21820..891fa521d 100644
--- a/src/model/heat_transfer/heat_transfer_model.cc
+++ b/src/model/heat_transfer/heat_transfer_model.cc
@@ -1,1231 +1,1246 @@
/**
* @file heat_transfer_model.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Lucas Frerot <lucas.frerot@epfl.ch>
* @author Srinivasa Babu Ramisetti <srinivasa.ramisetti@epfl.ch>
* @author David Simon Kammer <david.kammer@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @author Rui Wang <rui.wang@epfl.ch>
*
* @date creation: Sun May 01 2011
* @date last modification: Mon Sep 15 2014
*
* @brief Implementation of HeatTransferModel class
*
* @section LICENSE
*
* Copyright (©) 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "heat_transfer_model.hh"
#include "group_manager_inline_impl.cc"
#include "dumpable_inline_impl.hh"
#include "aka_math.hh"
#include "aka_common.hh"
#include "fe_engine_template.hh"
#include "mesh.hh"
#include "static_communicator.hh"
#include "parser.hh"
#include "generalized_trapezoidal.hh"
#ifdef AKANTU_USE_MUMPS
#include "solver_mumps.hh"
#endif
#ifdef AKANTU_USE_IOHELPER
# include "dumper_paraview.hh"
# include "dumper_elemental_field.hh"
# include "dumper_element_partition.hh"
# include "dumper_material_internal_field.hh"
#endif
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
const HeatTransferModelOptions default_heat_transfer_model_options(_explicit_lumped_capacity);
/* -------------------------------------------------------------------------- */
HeatTransferModel::HeatTransferModel(Mesh & mesh,
UInt dim,
const ID & id,
const MemoryID & memory_id) :
Model(mesh, dim, id, memory_id), Parsable(_st_heat, id),
integrator(NULL),
conductivity_matrix(NULL),
capacity_matrix(NULL),
jacobian_matrix(NULL),
temperature_gradient ("temperature_gradient", id),
temperature_on_qpoints ("temperature_on_qpoints", id),
conductivity_on_qpoints ("conductivity_on_qpoints", id),
k_gradt_on_qpoints ("k_gradt_on_qpoints", id),
int_bt_k_gT ("int_bt_k_gT", id),
bt_k_gT ("bt_k_gT", id),
conductivity(spatial_dimension, spatial_dimension),
thermal_energy ("thermal_energy", id) {
AKANTU_DEBUG_IN();
createSynchronizerRegistry(this);
std::stringstream sstr; sstr << id << ":fem";
registerFEEngineObject<MyFEEngineType>(sstr.str(), mesh,spatial_dimension);
this->temperature= NULL;
this->residual = NULL;
this->blocked_dofs = NULL;
#ifdef AKANTU_USE_IOHELPER
this->mesh.registerDumper<DumperParaview>("paraview_all", id, true);
this->mesh.addDumpMesh(mesh, spatial_dimension, _not_ghost, _ek_regular);
#endif
this->registerParam("conductivity" , conductivity , _pat_parsmod);
this->registerParam("conductivity_variation", conductivity_variation, 0., _pat_parsmod);
this->registerParam("temperature_reference" , T_ref , 0., _pat_parsmod);
this->registerParam("capacity" , capacity , _pat_parsmod);
this->registerParam("density" , density , _pat_parsmod);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::initModel() {
getFEEngine().initShapeFunctions(_not_ghost);
getFEEngine().initShapeFunctions(_ghost);
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::initParallel(MeshPartition * partition,
DataAccessor * data_accessor) {
AKANTU_DEBUG_IN();
if (data_accessor == NULL) data_accessor = this;
Synchronizer & synch_parallel = createParallelSynch(partition,data_accessor);
synch_registry->registerSynchronizer(synch_parallel, _gst_htm_capacity);
synch_registry->registerSynchronizer(synch_parallel, _gst_htm_temperature);
synch_registry->registerSynchronizer(synch_parallel, _gst_htm_gradient_temperature);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::initPBC() {
AKANTU_DEBUG_IN();
Model::initPBC();
PBCSynchronizer * synch = new PBCSynchronizer(pbc_pair);
synch_registry->registerSynchronizer(*synch, _gst_htm_capacity);
synch_registry->registerSynchronizer(*synch, _gst_htm_temperature);
changeLocalEquationNumberForPBC(pbc_pair,1);
+ // as long as there are ones on the diagonal of the matrix, we can put boudandary true for slaves
+ std::map<UInt, UInt>::iterator it = pbc_pair.begin();
+ std::map<UInt, UInt>::iterator end = pbc_pair.end();
+ while(it != end) {
+ (*blocked_dofs)((*it).first,0) = true;
+ ++it;
+ }
+
+
+
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::initArrays() {
AKANTU_DEBUG_IN();
UInt nb_nodes = getFEEngine().getMesh().getNbNodes();
std::stringstream sstr_temp; sstr_temp << Model::id << ":temperature";
std::stringstream sstr_temp_rate; sstr_temp_rate << Model::id << ":temperature_rate";
std::stringstream sstr_inc; sstr_inc << Model::id << ":increment";
std::stringstream sstr_ext_flx; sstr_ext_flx << Model::id << ":external_flux";
std::stringstream sstr_residual; sstr_residual << Model::id << ":residual";
std::stringstream sstr_lump; sstr_lump << Model::id << ":lumped";
std::stringstream sstr_boun; sstr_boun << Model::id << ":blocked_dofs";
temperature = &(alloc<Real>(sstr_temp.str(), nb_nodes, 1, REAL_INIT_VALUE));
temperature_rate = &(alloc<Real>(sstr_temp_rate.str(), nb_nodes, 1, REAL_INIT_VALUE));
increment = &(alloc<Real>(sstr_inc.str(), nb_nodes, 1, REAL_INIT_VALUE));
external_heat_rate = &(alloc<Real>(sstr_ext_flx.str(), nb_nodes, 1, REAL_INIT_VALUE));
residual = &(alloc<Real>(sstr_residual.str(), nb_nodes, 1, REAL_INIT_VALUE));
capacity_lumped = &(alloc<Real>(sstr_lump.str(), nb_nodes, 1, REAL_INIT_VALUE));
blocked_dofs = &(alloc<bool>(sstr_boun.str(), nb_nodes, 1, false));
Mesh::ConnectivityTypeList::const_iterator it;
/* -------------------------------------------------------------------------- */
// byelementtype vectors
getFEEngine().getMesh().initElementTypeMapArray(temperature_on_qpoints,
1,
spatial_dimension);
getFEEngine().getMesh().initElementTypeMapArray(temperature_gradient,
spatial_dimension,
spatial_dimension);
getFEEngine().getMesh().initElementTypeMapArray(conductivity_on_qpoints,
spatial_dimension*spatial_dimension,
spatial_dimension);
getFEEngine().getMesh().initElementTypeMapArray(k_gradt_on_qpoints,
spatial_dimension,
spatial_dimension);
getFEEngine().getMesh().initElementTypeMapArray(bt_k_gT,
1,
spatial_dimension,
true);
getFEEngine().getMesh().initElementTypeMapArray(int_bt_k_gT,
1,
spatial_dimension,
true);
getFEEngine().getMesh().initElementTypeMapArray(thermal_energy,
1,
spatial_dimension);
for(UInt g = _not_ghost; g <= _ghost; ++g) {
GhostType gt = (GhostType) g;
const Mesh::ConnectivityTypeList & type_list =
getFEEngine().getMesh().getConnectivityTypeList(gt);
for(it = type_list.begin(); it != type_list.end(); ++it) {
if(Mesh::getSpatialDimension(*it) != spatial_dimension) continue;
UInt nb_element = getFEEngine().getMesh().getNbElement(*it, gt);
UInt nb_quad_points = this->getFEEngine().getNbQuadraturePoints(*it, gt) * nb_element;
temperature_on_qpoints(*it, gt).resize(nb_quad_points);
temperature_on_qpoints(*it, gt).clear();
temperature_gradient(*it, gt).resize(nb_quad_points);
temperature_gradient(*it, gt).clear();
conductivity_on_qpoints(*it, gt).resize(nb_quad_points);
conductivity_on_qpoints(*it, gt).clear();
k_gradt_on_qpoints(*it, gt).resize(nb_quad_points);
k_gradt_on_qpoints(*it, gt).clear();
bt_k_gT(*it, gt).resize(nb_quad_points);
bt_k_gT(*it, gt).clear();
int_bt_k_gT(*it, gt).resize(nb_element);
int_bt_k_gT(*it, gt).clear();
thermal_energy(*it, gt).resize(nb_element);
thermal_energy(*it, gt).clear();
}
}
/* -------------------------------------------------------------------------- */
dof_synchronizer = new DOFSynchronizer(getFEEngine().getMesh(),1);
dof_synchronizer->initLocalDOFEquationNumbers();
dof_synchronizer->initGlobalDOFEquationNumbers();
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::initSolver(__attribute__((unused)) SolverOptions & options) {
#if !defined(AKANTU_USE_MUMPS) // or other solver in the future \todo add AKANTU_HAS_SOLVER in CMake
AKANTU_DEBUG_ERROR("You should at least activate one solver.");
#else
UInt nb_global_nodes = mesh.getNbGlobalNodes();
delete jacobian_matrix;
std::stringstream sstr; sstr << Memory::id << ":jacobian_matrix";
jacobian_matrix = new SparseMatrix(nb_global_nodes, _symmetric, sstr.str(), memory_id);
jacobian_matrix->buildProfile(mesh, *dof_synchronizer, 1);
delete conductivity_matrix;
std::stringstream sstr_sti; sstr_sti << Memory::id << ":conductivity_matrix";
conductivity_matrix = new SparseMatrix(*jacobian_matrix, sstr_sti.str(), memory_id);
#ifdef AKANTU_USE_MUMPS
std::stringstream sstr_solv; sstr_solv << Memory::id << ":solver";
solver = new SolverMumps(*jacobian_matrix, sstr_solv.str());
dof_synchronizer->initScatterGatherCommunicationScheme();
#else
AKANTU_DEBUG_ERROR("You should at least activate one solver.");
#endif //AKANTU_USE_MUMPS
if(solver)
solver->initialize(options);
#endif //AKANTU_HAS_SOLVER
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::initImplicit(bool dynamic, SolverOptions & solver_options) {
AKANTU_DEBUG_IN();
method = dynamic ? _implicit_dynamic : _static;
initSolver(solver_options);
if(method == _implicit_dynamic) {
if(integrator) delete integrator;
integrator = new TrapezoidalRule1();
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
HeatTransferModel::~HeatTransferModel()
{
AKANTU_DEBUG_IN();
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::assembleCapacityLumped(const GhostType & ghost_type) {
AKANTU_DEBUG_IN();
FEEngine & fem = getFEEngine();
const Mesh::ConnectivityTypeList & type_list
= fem.getMesh().getConnectivityTypeList(ghost_type);
Mesh::ConnectivityTypeList::const_iterator it;
for(it = type_list.begin(); it != type_list.end(); ++it)
{
if(Mesh::getSpatialDimension(*it) != spatial_dimension) continue;
UInt nb_element = getFEEngine().getMesh().getNbElement(*it,ghost_type);
UInt nb_quadrature_points = getFEEngine().getNbQuadraturePoints(*it, ghost_type);
Array<Real> rho_1 (nb_element * nb_quadrature_points,1, capacity * density);
fem.assembleFieldLumped(rho_1,1,*capacity_lumped,
dof_synchronizer->getLocalDOFEquationNumbers(),
*it, ghost_type);
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::assembleCapacityLumped() {
AKANTU_DEBUG_IN();
capacity_lumped->clear();
assembleCapacityLumped(_not_ghost);
assembleCapacityLumped(_ghost);
getSynchronizerRegistry().synchronize(_gst_htm_capacity);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::updateResidual(bool compute_conductivity) {
AKANTU_DEBUG_IN();
/// @f$ r = q_{ext} - q_{int} - C \dot T @f$
// start synchronization
synch_registry->asynchronousSynchronize(_gst_htm_temperature);
// finalize communications
synch_registry->waitEndSynchronize(_gst_htm_temperature);
//clear the array
/// first @f$ r = q_{ext} @f$
// residual->clear();
residual->copy(*external_heat_rate);
/// then @f$ r -= q_{int} @f$
// update the not ghost ones
updateResidual(_not_ghost);
// update for the received ghosts
updateResidual(_ghost);
/* if (method == _explicit_lumped_capacity) {
this->solveExplicitLumped();
}*/
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::assembleConductivityMatrix(bool compute_conductivity) {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_INFO("Assemble the new stiffness matrix.");
conductivity_matrix->clear();
switch(mesh.getSpatialDimension()) {
case 1: this->assembleConductivityMatrix<1>(_not_ghost,compute_conductivity); break;
case 2: this->assembleConductivityMatrix<2>(_not_ghost,compute_conductivity); break;
case 3: this->assembleConductivityMatrix<3>(_not_ghost,compute_conductivity); break;
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template <UInt dim>
void HeatTransferModel::assembleConductivityMatrix(const GhostType & ghost_type,bool compute_conductivity) {
AKANTU_DEBUG_IN();
Mesh & mesh = this->getFEEngine().getMesh();
Mesh::type_iterator it = mesh.firstType(spatial_dimension, ghost_type);
Mesh::type_iterator last_type = mesh.lastType(spatial_dimension, ghost_type);
for(; it != last_type; ++it) {
this->assembleConductivityMatrix<dim>(*it, ghost_type,compute_conductivity);
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
template <UInt dim>
void HeatTransferModel::assembleConductivityMatrix(const ElementType & type,
const GhostType & ghost_type,
bool compute_conductivity) {
AKANTU_DEBUG_IN();
SparseMatrix & K = *conductivity_matrix;
const Array<Real> & shapes_derivatives = this->getFEEngine().getShapesDerivatives(type, ghost_type);
UInt nb_element = mesh.getNbElement(type, ghost_type);
UInt nb_nodes_per_element = Mesh::getNbNodesPerElement(type);
UInt nb_quadrature_points = getFEEngine().getNbQuadraturePoints(type, ghost_type);
/// compute @f$\mathbf{B}^t * \mathbf{D} * \mathbf{B}@f$
UInt bt_d_b_size = nb_nodes_per_element;
Array<Real> * bt_d_b = new Array<Real>(nb_element * nb_quadrature_points,
bt_d_b_size * bt_d_b_size,
"B^t*D*B");
Matrix<Real> Bt_D(nb_nodes_per_element, dim);
Array<Real>::const_iterator< Matrix<Real> > shapes_derivatives_it = shapes_derivatives.begin(dim, nb_nodes_per_element);
Array<Real>::iterator< Matrix<Real> > Bt_D_B_it = bt_d_b->begin(bt_d_b_size, bt_d_b_size);
if (compute_conductivity)
this->computeConductivityOnQuadPoints(ghost_type);
Array<Real>::iterator< Matrix<Real> > D_it = conductivity_on_qpoints(type, ghost_type).begin(dim, dim);
Array<Real>::iterator< Matrix<Real> > D_end = conductivity_on_qpoints(type, ghost_type).end(dim, dim);
for (; D_it != D_end; ++D_it, ++Bt_D_B_it, ++shapes_derivatives_it) {
Matrix<Real> & D = *D_it;
const Matrix<Real> & B = *shapes_derivatives_it;
Matrix<Real> & Bt_D_B = *Bt_D_B_it;
Bt_D.mul<true, false>(B, D);
Bt_D_B.mul<false, false>(Bt_D, B);
}
/// compute @f$ k_e = \int_e \mathbf{B}^t * \mathbf{D} * \mathbf{B}@f$
Array<Real> * K_e = new Array<Real>(nb_element,
bt_d_b_size * bt_d_b_size,
"K_e");
this->getFEEngine().integrate(*bt_d_b, *K_e,
bt_d_b_size * bt_d_b_size,
type, ghost_type);
delete bt_d_b;
this->getFEEngine().assembleMatrix(*K_e, K, 1, type, ghost_type);
delete K_e;
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::updateResidualInternal() {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_INFO("Update the residual");
// f = q_ext - q_int - Mddot = q - Mddot;
if(method != _static) {
// f -= Mddot
if(capacity_matrix) {
// if full mass_matrix
Array<Real> * Mddot = new Array<Real>(*temperature_rate, true, "Mddot");
*Mddot *= *capacity_matrix;
*residual -= *Mddot;
delete Mddot;
} else if (capacity_lumped) {
// else lumped mass
UInt nb_nodes = temperature_rate->getSize();
UInt nb_degree_of_freedom = temperature_rate->getNbComponent();
Real * capacity_val = capacity_lumped->storage();
Real * temp_rate_val = temperature_rate->storage();
Real * res_val = residual->storage();
bool * blocked_dofs_val = blocked_dofs->storage();
for (UInt n = 0; n < nb_nodes * nb_degree_of_freedom; ++n) {
if(!(*blocked_dofs_val)) {
*res_val -= *temp_rate_val * *capacity_val;
}
blocked_dofs_val++;
res_val++;
capacity_val++;
temp_rate_val++;
}
} else {
AKANTU_DEBUG_ERROR("No function called to assemble the mass matrix.");
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::solveStatic() {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_INFO("Solving Ku = f");
AKANTU_DEBUG_ASSERT(conductivity_matrix != NULL,
"You should first initialize the implicit solver and assemble the stiffness matrix");
UInt nb_nodes = temperature->getSize();
UInt nb_degree_of_freedom = temperature->getNbComponent() * nb_nodes;
jacobian_matrix->copyContent(*conductivity_matrix);
jacobian_matrix->applyBoundary(*blocked_dofs);
increment->clear();
solver->setRHS(*residual);
solver->factorize();
solver->solve(*increment);
Real * increment_val = increment->storage();
Real * temperature_val = temperature->storage();
bool * blocked_dofs_val = blocked_dofs->storage();
for (UInt j = 0; j < nb_degree_of_freedom;
++j, ++temperature_val, ++increment_val, ++blocked_dofs_val) {
if (!(*blocked_dofs_val)) {
*temperature_val += *increment_val;
}
else {
*increment_val = 0.0;
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::computeConductivityOnQuadPoints(const GhostType & ghost_type) {
const Mesh::ConnectivityTypeList & type_list =
this->getFEEngine().getMesh().getConnectivityTypeList(ghost_type);
Mesh::ConnectivityTypeList::const_iterator it;
for(it = type_list.begin(); it != type_list.end(); ++it) {
if(Mesh::getSpatialDimension(*it) != spatial_dimension) continue;
Array<Real> & temperature_interpolated = temperature_on_qpoints(*it, ghost_type);
//compute the temperature on quadrature points
this->getFEEngine().interpolateOnQuadraturePoints(*temperature,
temperature_interpolated,
1 ,*it,ghost_type);
Array<Real>::matrix_iterator C_it =
conductivity_on_qpoints(*it, ghost_type).begin(spatial_dimension, spatial_dimension);
Array<Real>::matrix_iterator C_end =
conductivity_on_qpoints(*it, ghost_type).end(spatial_dimension, spatial_dimension);
Array<Real>::iterator<Real> T_it = temperature_interpolated.begin();
for (;C_it != C_end; ++C_it, ++T_it) {
Matrix<Real> & C = *C_it;
Real & T = *T_it;
C = conductivity;
Matrix<Real> variation(spatial_dimension, spatial_dimension, conductivity_variation * (T - T_ref));
C += conductivity_variation;
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::computeKgradT(const GhostType & ghost_type,bool compute_conductivity) {
if (compute_conductivity)
computeConductivityOnQuadPoints(ghost_type);
const Mesh::ConnectivityTypeList & type_list =
this->getFEEngine().getMesh().getConnectivityTypeList(ghost_type);
Mesh::ConnectivityTypeList::const_iterator it;
for(it = type_list.begin(); it != type_list.end(); ++it) {
const ElementType & type = *it;
if(Mesh::getSpatialDimension(*it) != spatial_dimension) continue;
Array<Real> & gradient = temperature_gradient(*it, ghost_type);
this->getFEEngine().gradientOnQuadraturePoints(*temperature,
gradient,
1 ,*it, ghost_type);
Array<Real>::matrix_iterator C_it =
conductivity_on_qpoints(*it, ghost_type).begin(spatial_dimension, spatial_dimension);
Array<Real>::vector_iterator BT_it = gradient.begin(spatial_dimension);
Array<Real>::vector_iterator k_BT_it =
k_gradt_on_qpoints(type, ghost_type).begin(spatial_dimension);
Array<Real>::vector_iterator k_BT_end =
k_gradt_on_qpoints(type, ghost_type).end(spatial_dimension);
for (;k_BT_it != k_BT_end; ++k_BT_it, ++BT_it, ++C_it) {
Vector<Real> & k_BT = *k_BT_it;
Vector<Real> & BT = *BT_it;
Matrix<Real> & C = *C_it;
k_BT.mul<false>(C, BT);
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::updateResidual(const GhostType & ghost_type, bool compute_conductivity) {
AKANTU_DEBUG_IN();
const Mesh::ConnectivityTypeList & type_list =
this->getFEEngine().getMesh().getConnectivityTypeList(ghost_type);
Mesh::ConnectivityTypeList::const_iterator it;
for(it = type_list.begin(); it != type_list.end(); ++it) {
if(Mesh::getSpatialDimension(*it) != spatial_dimension) continue;
Array<Real> & shapes_derivatives =
const_cast<Array<Real> &>(getFEEngine().getShapesDerivatives(*it,ghost_type));
UInt nb_nodes_per_element = Mesh::getNbNodesPerElement(*it);
// compute k \grad T
computeKgradT(ghost_type,compute_conductivity);
Array<Real>::vector_iterator k_BT_it =
k_gradt_on_qpoints(*it,ghost_type).begin(spatial_dimension);
Array<Real>::matrix_iterator B_it =
shapes_derivatives.begin(spatial_dimension, nb_nodes_per_element);
Array<Real>::vector_iterator Bt_k_BT_it =
bt_k_gT(*it,ghost_type).begin(nb_nodes_per_element);
Array<Real>::vector_iterator Bt_k_BT_end =
bt_k_gT(*it,ghost_type).end(nb_nodes_per_element);
for (;Bt_k_BT_it != Bt_k_BT_end; ++Bt_k_BT_it, ++B_it, ++k_BT_it) {
Vector<Real> & k_BT = *k_BT_it;
Vector<Real> & Bt_k_BT = *Bt_k_BT_it;
Matrix<Real> & B = *B_it;
Bt_k_BT.mul<true>(B, k_BT);
}
this->getFEEngine().integrate(bt_k_gT(*it,ghost_type),
int_bt_k_gT(*it,ghost_type),
nb_nodes_per_element, *it,ghost_type);
this->getFEEngine().assembleArray(int_bt_k_gT(*it,ghost_type), *residual,
dof_synchronizer->getLocalDOFEquationNumbers(),
1, *it,ghost_type, empty_filter, -1);
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::solveExplicitLumped() {
AKANTU_DEBUG_IN();
/// finally @f$ r -= C \dot T @f$
// lumped C
UInt nb_nodes = temperature_rate->getSize();
UInt nb_degree_of_freedom = temperature_rate->getNbComponent();
Real * capacity_val = capacity_lumped->storage();
Real * temp_rate_val = temperature_rate->storage();
Real * res_val = residual->storage();
bool * blocked_dofs_val = blocked_dofs->storage();
for (UInt n = 0; n < nb_nodes * nb_degree_of_freedom; ++n) {
if(!(*blocked_dofs_val)) {
*res_val -= *capacity_val * *temp_rate_val;
}
blocked_dofs_val++;
res_val++;
capacity_val++;
temp_rate_val++;
}
#ifndef AKANTU_NDEBUG
getSynchronizerRegistry().synchronize(akantu::_gst_htm_gradient_temperature);
#endif
capacity_val = capacity_lumped->storage();
res_val = residual->storage();
blocked_dofs_val = blocked_dofs->storage();
Real * inc = increment->storage();
for (UInt n = 0; n < nb_nodes * nb_degree_of_freedom; ++n) {
if(!(*blocked_dofs_val)) {
*inc = (*res_val / *capacity_val);
}
res_val++;
blocked_dofs_val++;
inc++;
capacity_val++;
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::explicitPred() {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_ASSERT(integrator, "integrator was not instanciated");
integrator->integrationSchemePred(time_step,
*temperature,
*temperature_rate,
*blocked_dofs);
UInt nb_nodes = temperature->getSize();
UInt nb_degree_of_freedom = temperature->getNbComponent();
Real * temp = temperature->storage();
for (UInt n = 0; n < nb_nodes * nb_degree_of_freedom; ++n, ++temp)
if(*temp < 0.) *temp = 0.;
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::explicitCorr() {
AKANTU_DEBUG_IN();
integrator->integrationSchemeCorrTempRate(time_step,
*temperature,
*temperature_rate,
*blocked_dofs,
*increment);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::implicitPred(){
AKANTU_DEBUG_IN();
if(method == _implicit_dynamic)
integrator->integrationSchemePred(time_step,
*temperature,
*temperature_rate,
*blocked_dofs);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::implicitCorr(){
AKANTU_DEBUG_IN();
if(method == _implicit_dynamic) {
integrator->integrationSchemeCorrTemp(time_step,
*temperature,
*temperature_rate,
*blocked_dofs,
*increment);
} else {
UInt nb_nodes = temperature->getSize();
UInt nb_degree_of_freedom = temperature->getNbComponent() * nb_nodes;
Real * incr_val = increment->storage();
Real * temp_val = temperature->storage();
bool * boun_val = blocked_dofs->storage();
for (UInt j = 0; j < nb_degree_of_freedom; ++j, ++temp_val, ++incr_val, ++boun_val){
*incr_val *= (1. - *boun_val);
*temp_val += *incr_val;
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
Real HeatTransferModel::getStableTimeStep()
{
AKANTU_DEBUG_IN();
Real el_size;
Real min_el_size = std::numeric_limits<Real>::max();
Real conductivitymax = conductivity(0, 0);
//get the biggest parameter from k11 until k33//
for(UInt i = 0; i < spatial_dimension; i++)
for(UInt j = 0; j < spatial_dimension; j++)
conductivitymax = std::max(conductivity(i, j), conductivitymax);
const Mesh::ConnectivityTypeList & type_list =
getFEEngine().getMesh().getConnectivityTypeList();
Mesh::ConnectivityTypeList::const_iterator it;
for(it = type_list.begin(); it != type_list.end(); ++it) {
if(getFEEngine().getMesh().getSpatialDimension(*it) != spatial_dimension)
continue;
UInt nb_nodes_per_element = getFEEngine().getMesh().getNbNodesPerElement(*it);
Array<Real> coord(0, nb_nodes_per_element*spatial_dimension);
FEEngine::extractNodalToElementField(getFEEngine().getMesh(), getFEEngine().getMesh().getNodes(),
coord, *it, _not_ghost);
Array<Real>::matrix_iterator el_coord = coord.begin(spatial_dimension, nb_nodes_per_element);
UInt nb_element = getFEEngine().getMesh().getNbElement(*it);
for (UInt el = 0; el < nb_element; ++el, ++el_coord) {
el_size = getFEEngine().getElementInradius(*el_coord, *it);
min_el_size = std::min(min_el_size, el_size);
}
AKANTU_DEBUG_INFO("The minimum element size : " << min_el_size
<< " and the max conductivity is : "
<< conductivitymax);
}
Real min_dt = 2 * min_el_size * min_el_size * density
* capacity / conductivitymax;
StaticCommunicator::getStaticCommunicator().allReduce(&min_dt, 1, _so_min);
AKANTU_DEBUG_OUT();
return min_dt;
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::readMaterials() {
std::pair<Parser::const_section_iterator, Parser::const_section_iterator>
sub_sect = this->parser->getSubSections(_st_heat);
Parser::const_section_iterator it = sub_sect.first;
const ParserSection & section = *it;
this->parseSection(section);
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::initFull(const ModelOptions & options){
Model::initFull(options);
readMaterials();
const HeatTransferModelOptions & my_options
= dynamic_cast<const HeatTransferModelOptions &>(options);
+ method = my_options.analysis_method;
+
//initialize the vectors
initArrays();
temperature->clear();
temperature_rate->clear();
external_heat_rate->clear();
- method = my_options.analysis_method;
+
+ // initialize pbc
+ if(pbc_pair.size()!=0)
+ initPBC();
if (method == _explicit_lumped_capacity){
integrator = new ForwardEuler();
}
if (method == _implicit_dynamic) {
initImplicit(true);
}
if (method == _static) {
initImplicit(false);
}
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::assembleCapacity() {
AKANTU_DEBUG_IN();
if(!capacity_matrix) {
std::stringstream sstr; sstr << id << ":capacity_matrix";
capacity_matrix = new SparseMatrix(*jacobian_matrix, sstr.str(), memory_id);
}
assembleCapacity(_not_ghost);
// assembleMass(_ghost);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::assembleCapacity(GhostType ghost_type) {
AKANTU_DEBUG_IN();
MyFEEngineType & fem = getFEEngineClass<MyFEEngineType>();
Array<Real> rho_1(0,1);
//UInt nb_element;
capacity_matrix->clear();
Mesh::type_iterator it = mesh.firstType(spatial_dimension, ghost_type);
Mesh::type_iterator end = mesh.lastType(spatial_dimension, ghost_type);
for(; it != end; ++it) {
ElementType type = *it;
computeRho(rho_1, type, ghost_type);
fem.assembleFieldMatrix(rho_1, 1, *capacity_matrix, type, ghost_type);
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::computeRho(Array<Real> & rho,
ElementType type,
GhostType ghost_type) {
AKANTU_DEBUG_IN();
FEEngine & fem = this->getFEEngine();
UInt nb_element = fem.getMesh().getNbElement(type,ghost_type);
UInt nb_quadrature_points = fem.getNbQuadraturePoints(type, ghost_type);
rho.resize(nb_element * nb_quadrature_points);
Real * rho_1_val = rho.storage();
/// compute @f$ rho @f$ for each nodes of each element
for (UInt el = 0; el < nb_element; ++el) {
for (UInt n = 0; n < nb_quadrature_points; ++n) {
*rho_1_val++ = this->capacity;
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template<>
bool HeatTransferModel::testConvergence<_scc_increment>(Real tolerance, Real & error){
AKANTU_DEBUG_IN();
UInt nb_nodes = temperature->getSize();
UInt nb_degree_of_freedom = temperature->getNbComponent();
error = 0;
Real norm[2] = {0., 0.};
Real * increment_val = increment->storage();
bool * blocked_dofs_val = blocked_dofs->storage();
Real * temperature_val = temperature->storage();
for (UInt n = 0; n < nb_nodes; ++n) {
bool is_local_node = mesh.isLocalOrMasterNode(n);
for (UInt d = 0; d < nb_degree_of_freedom; ++d) {
if(!(*blocked_dofs_val) && is_local_node) {
norm[0] += *increment_val * *increment_val;
norm[1] += *temperature_val * *temperature_val;
}
blocked_dofs_val++;
increment_val++;
temperature_val++;
}
}
StaticCommunicator::getStaticCommunicator().allReduce(norm, 2, _so_sum);
norm[0] = sqrt(norm[0]);
norm[1] = sqrt(norm[1]);
AKANTU_DEBUG_ASSERT(!Math::isnan(norm[0]), "Something goes wrong in the solve phase");
if (norm[1] < Math::getTolerance()) {
error = norm[0];
AKANTU_DEBUG_OUT();
// cout<<"Error 1: "<<error<<endl;
return error < tolerance;
}
AKANTU_DEBUG_OUT();
if(norm[1] > Math::getTolerance())
error = norm[0] / norm[1];
else
error = norm[0]; //In case the total displacement is zero!
// cout<<"Error 2: "<<error<<endl;
return (error < tolerance);
}
/* -------------------------------------------------------------------------- */
void HeatTransferModel::initFEEngineBoundary(bool create_surface) {
if(create_surface)
MeshUtils::buildFacets(getFEEngine().getMesh());
FEEngine & fem_boundary = getFEEngineBoundary();
fem_boundary.initShapeFunctions();
fem_boundary.computeNormalsOnControlPoints();
}
/* -------------------------------------------------------------------------- */
Real HeatTransferModel::computeThermalEnergyByNode() {
AKANTU_DEBUG_IN();
Real ethermal = 0.;
Array<Real>::vector_iterator heat_rate_it =
residual->begin(residual->getNbComponent());
Array<Real>::vector_iterator heat_rate_end =
residual->end(residual->getNbComponent());
UInt n = 0;
for(;heat_rate_it != heat_rate_end; ++heat_rate_it, ++n) {
Real heat = 0;
bool is_local_node = mesh.isLocalOrMasterNode(n);
bool is_not_pbc_slave_node = !isPBCSlaveNode(n);
bool count_node = is_local_node && is_not_pbc_slave_node;
Vector<Real> & heat_rate = *heat_rate_it;
for (UInt i = 0; i < heat_rate.size(); ++i) {
if (count_node)
heat += heat_rate[i] * time_step;
}
ethermal += heat;
}
StaticCommunicator::getStaticCommunicator().allReduce(&ethermal, 1, _so_sum);
AKANTU_DEBUG_OUT();
return ethermal;
}
/* -------------------------------------------------------------------------- */
template<class iterator>
void HeatTransferModel::getThermalEnergy(iterator Eth,
Array<Real>::const_iterator<Real> T_it,
Array<Real>::const_iterator<Real> T_end) const {
for(;T_it != T_end; ++T_it, ++Eth) {
*Eth = capacity * density * *T_it;
}
}
/* -------------------------------------------------------------------------- */
Real HeatTransferModel::getThermalEnergy(const ElementType & type, UInt index) {
AKANTU_DEBUG_IN();
UInt nb_quadrature_points = getFEEngine().getNbQuadraturePoints(type);
Vector<Real> Eth_on_quarature_points(nb_quadrature_points);
Array<Real>::iterator<Real> T_it = this->temperature_on_qpoints(type).begin();
T_it += index * nb_quadrature_points;
Array<Real>::iterator<Real> T_end = T_it + nb_quadrature_points;
getThermalEnergy(Eth_on_quarature_points.storage(), T_it, T_end);
return getFEEngine().integrate(Eth_on_quarature_points, type, index);
}
/* -------------------------------------------------------------------------- */
Real HeatTransferModel::getThermalEnergy() {
Real Eth = 0;
Mesh & mesh = getFEEngine().getMesh();
Mesh::type_iterator it = mesh.firstType(spatial_dimension);
Mesh::type_iterator last_type = mesh.lastType(spatial_dimension);
for(; it != last_type; ++it) {
UInt nb_element = getFEEngine().getMesh().getNbElement(*it, _not_ghost);
UInt nb_quadrature_points = getFEEngine().getNbQuadraturePoints(*it, _not_ghost);
Array<Real> Eth_per_quad(nb_element * nb_quadrature_points, 1);
Array<Real>::iterator<Real> T_it = this->temperature_on_qpoints(*it).begin();
Array<Real>::iterator<Real> T_end = this->temperature_on_qpoints(*it).end();
getThermalEnergy(Eth_per_quad.begin(), T_it, T_end);
Eth += getFEEngine().integrate(Eth_per_quad, *it);
}
return Eth;
}
/* -------------------------------------------------------------------------- */
Real HeatTransferModel::getEnergy(const std::string & id) {
AKANTU_DEBUG_IN();
Real energy = 0;
if("thermal") energy = getThermalEnergy();
// reduction sum over all processors
StaticCommunicator::getStaticCommunicator().allReduce(&energy, 1, _so_sum);
AKANTU_DEBUG_OUT();
return energy;
}
/* -------------------------------------------------------------------------- */
Real HeatTransferModel::getEnergy(const std::string & energy_id, const ElementType & type, UInt index) {
AKANTU_DEBUG_IN();
Real energy = 0.;
if("thermal") energy = getThermalEnergy(type, index);
AKANTU_DEBUG_OUT();
return energy;
}
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#ifdef AKANTU_USE_IOHELPER
dumper::Field * HeatTransferModel::createNodalFieldBool(const std::string & field_name,
const std::string & group_name,
bool padding_flag) {
std::map<std::string,Array<bool>* > uint_nodal_fields;
uint_nodal_fields["blocked_dofs" ] = blocked_dofs;
dumper::Field * field = NULL;
field = mesh.createNodalField(uint_nodal_fields[field_name],group_name);
return field;
}
/* -------------------------------------------------------------------------- */
dumper::Field * HeatTransferModel::createNodalFieldReal(const std::string & field_name,
const std::string & group_name,
bool padding_flag) {
std::map<std::string,Array<Real>* > real_nodal_fields;
real_nodal_fields["temperature" ] = temperature;
real_nodal_fields["temperature_rate" ] = temperature_rate;
real_nodal_fields["external_heat_rate" ] = external_heat_rate;
real_nodal_fields["residual" ] = residual;
real_nodal_fields["capacity_lumped" ] = capacity_lumped;
real_nodal_fields["increment" ] = increment;
dumper::Field * field =
mesh.createNodalField(real_nodal_fields[field_name],group_name);
return field;
}
/* -------------------------------------------------------------------------- */
dumper::Field * HeatTransferModel
::createElementalField(const std::string & field_name,
const std::string & group_name,
bool padding_flag,
const UInt & spatial_dimension,
const ElementKind & element_kind){
dumper::Field * field = NULL;
if(field_name == "partitions")
field = mesh.createElementalField<UInt, dumper::ElementPartitionField>(mesh.getConnectivities(),group_name,this->spatial_dimension,element_kind);
else if(field_name == "temperature_gradient"){
ElementTypeMap<UInt> nb_data_per_elem = this->mesh.getNbDataPerElem(temperature_gradient,element_kind);
field =
mesh.createElementalField<Real,
dumper::InternalMaterialField>(temperature_gradient,
group_name,
this->spatial_dimension,
element_kind,
nb_data_per_elem);
}
else if(field_name == "conductivity"){
ElementTypeMap<UInt> nb_data_per_elem = this->mesh.getNbDataPerElem(conductivity_on_qpoints,element_kind);
field =
mesh.createElementalField<Real,
dumper::InternalMaterialField>(conductivity_on_qpoints,
group_name,
this->spatial_dimension,
element_kind,
nb_data_per_elem);
}
return field;
}
/* -------------------------------------------------------------------------- */
#else
/* -------------------------------------------------------------------------- */
dumper::Field * HeatTransferModel
::createElementalField(const std::string & field_name,
const std::string & group_name,
bool padding_flag,
const ElementKind & element_kind){
return NULL;
}
/* -------------------------------------------------------------------------- */
dumper::Field * HeatTransferModel::createNodalFieldBool(const std::string & field_name,
const std::string & group_name,
bool padding_flag) {
return NULL;
}
/* -------------------------------------------------------------------------- */
dumper::Field * HeatTransferModel::createNodalFieldReal(const std::string & field_name,
const std::string & group_name,
bool padding_flag) {
return NULL;
}
#endif
__END_AKANTU__
diff --git a/src/model/solid_mechanics/solid_mechanics_model.cc b/src/model/solid_mechanics/solid_mechanics_model.cc
index 6a90777d0..cc78ae601 100644
--- a/src/model/solid_mechanics/solid_mechanics_model.cc
+++ b/src/model/solid_mechanics/solid_mechanics_model.cc
@@ -1,1837 +1,1837 @@
/**
* @file solid_mechanics_model.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author David Simon Kammer <david.kammer@epfl.ch>
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
* @author Daniel Pino Muñoz <daniel.pinomunoz@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Tue Jul 27 2010
* @date last modification: Fri Sep 19 2014
*
* @brief Implementation of the SolidMechanicsModel class
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_math.hh"
#include "aka_common.hh"
#include "solid_mechanics_model.hh"
#include "group_manager_inline_impl.cc"
#include "dumpable_inline_impl.hh"
#include "integration_scheme_2nd_order.hh"
#include "element_group.hh"
#include "static_communicator.hh"
#include "dof_synchronizer.hh"
#include "element_group.hh"
#include <cmath>
#ifdef AKANTU_USE_MUMPS
#include "solver_mumps.hh"
#endif
#ifdef AKANTU_USE_PETSC
#include "solver_petsc.hh"
#include "petsc_matrix.hh"
#endif
#ifdef AKANTU_USE_IOHELPER
# include "dumper_field.hh"
# include "dumper_paraview.hh"
# include "dumper_homogenizing_field.hh"
# include "dumper_material_internal_field.hh"
# include "dumper_elemental_field.hh"
# include "dumper_material_padders.hh"
# include "dumper_element_partition.hh"
# include "dumper_iohelper.hh"
#endif
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
const SolidMechanicsModelOptions default_solid_mechanics_model_options(_explicit_lumped_mass, false);
/* -------------------------------------------------------------------------- */
/**
* A solid mechanics model need a mesh and a dimension to be created. the model
* by it self can not do a lot, the good init functions should be called in
* order to configure the model depending on what we want to do.
*
* @param mesh mesh representing the model we want to simulate
* @param dim spatial dimension of the problem, if dim = 0 (default value) the
* dimension of the problem is assumed to be the on of the mesh
* @param id an id to identify the model
*/
SolidMechanicsModel::SolidMechanicsModel(Mesh & mesh,
UInt dim,
const ID & id,
const MemoryID & memory_id) :
Model(mesh, dim, id, memory_id),
BoundaryCondition<SolidMechanicsModel>(),
time_step(NAN), f_m2a(1.0),
mass_matrix(NULL),
velocity_damping_matrix(NULL),
stiffness_matrix(NULL),
jacobian_matrix(NULL),
material_index("material index", id),
material_local_numbering("material local numbering", id),
material_selector(new DefaultMaterialSelector(material_index)),
is_default_material_selector(true),
integrator(NULL),
increment_flag(false), solver(NULL),
synch_parallel(NULL),
are_materials_instantiated(false) {
AKANTU_DEBUG_IN();
createSynchronizerRegistry(this);
registerFEEngineObject<MyFEEngineType>("SolidMechanicsFEEngine", mesh, spatial_dimension);
this->displacement = NULL;
this->mass = NULL;
this->velocity = NULL;
this->acceleration = NULL;
this->force = NULL;
this->residual = NULL;
this->blocked_dofs = NULL;
this->increment = NULL;
this->increment_acceleration = NULL;
this->dof_synchronizer = NULL;
this->previous_displacement = NULL;
materials.clear();
mesh.registerEventHandler(*this);
#if defined(AKANTU_USE_IOHELPER)
this->mesh.registerDumper<DumperParaview>("paraview_all", id, true);
this->mesh.addDumpMesh(mesh, spatial_dimension, _not_ghost, _ek_regular);
#endif
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
SolidMechanicsModel::~SolidMechanicsModel() {
AKANTU_DEBUG_IN();
std::vector<Material *>::iterator mat_it;
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
delete *mat_it;
}
materials.clear();
delete integrator;
delete solver;
delete mass_matrix;
delete velocity_damping_matrix;
if(stiffness_matrix && stiffness_matrix != jacobian_matrix)
delete stiffness_matrix;
delete jacobian_matrix;
delete synch_parallel;
if(is_default_material_selector) {
delete material_selector;
material_selector = NULL;
}
AKANTU_DEBUG_OUT();
}
void SolidMechanicsModel::setTimeStep(Real time_step) {
this->time_step = time_step;
#if defined(AKANTU_USE_IOHELPER)
this->mesh.getDumper().setTimeStep(time_step);
#endif
}
/* -------------------------------------------------------------------------- */
/* Initialisation */
/* -------------------------------------------------------------------------- */
/**
* This function groups many of the initialization in on function. For most of
* basics case the function should be enough. The functions initialize the
* model, the internal vectors, set them to 0, and depending on the parameters
* it also initialize the explicit or implicit solver.
*
* @param material_file the file containing the materials to use
* @param method the analysis method wanted. See the akantu::AnalysisMethod for
* the different possibilities
*/
void SolidMechanicsModel::initFull(const ModelOptions & options) {
Model::initFull(options);
const SolidMechanicsModelOptions & smm_options =
dynamic_cast<const SolidMechanicsModelOptions &>(options);
method = smm_options.analysis_method;
// initialize the vectors
initArrays();
// set the initial condition to 0
force->clear();
velocity->clear();
acceleration->clear();
displacement->clear();
- // initialize pcb
+ // initialize pbc
if(pbc_pair.size()!=0)
initPBC();
// initialize the time integration schemes
switch(method) {
case _explicit_lumped_mass:
initExplicit();
break;
case _explicit_consistent_mass:
initSolver();
initExplicit();
break;
case _implicit_dynamic:
initImplicit(true);
break;
case _static:
initImplicit(false);
break;
default:
AKANTU_EXCEPTION("analysis method not recognised by SolidMechanicsModel");
break;
}
// initialize the materials
if(this->parser->getLastParsedFile() != "") {
instantiateMaterials();
}
if(!smm_options.no_init_materials) {
initMaterials();
}
if(increment_flag)
initBC(*this, *displacement, *increment, *force);
else
initBC(*this, *displacement, *force);
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::initParallel(MeshPartition * partition,
DataAccessor * data_accessor) {
AKANTU_DEBUG_IN();
if (data_accessor == NULL) data_accessor = this;
synch_parallel = &createParallelSynch(partition,data_accessor);
synch_registry->registerSynchronizer(*synch_parallel, _gst_material_id);
synch_registry->registerSynchronizer(*synch_parallel, _gst_smm_mass);
synch_registry->registerSynchronizer(*synch_parallel, _gst_smm_stress);
synch_registry->registerSynchronizer(*synch_parallel, _gst_smm_boundary);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::initFEEngineBoundary() {
FEEngine & fem_boundary = getFEEngineBoundary();
fem_boundary.initShapeFunctions(_not_ghost);
fem_boundary.initShapeFunctions(_ghost);
fem_boundary.computeNormalsOnControlPoints(_not_ghost);
fem_boundary.computeNormalsOnControlPoints(_ghost);
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::initExplicit(AnalysisMethod analysis_method) {
AKANTU_DEBUG_IN();
//in case of switch from implicit to explicit
if(!this->isExplicit())
method = analysis_method;
if (integrator) delete integrator;
integrator = new CentralDifference();
UInt nb_nodes = acceleration->getSize();
UInt nb_degree_of_freedom = acceleration->getNbComponent();
std::stringstream sstr; sstr << id << ":increment_acceleration";
increment_acceleration = &(alloc<Real>(sstr.str(), nb_nodes, nb_degree_of_freedom, Real()));
AKANTU_DEBUG_OUT();
}
void SolidMechanicsModel::initArraysPreviousDisplacment() {
AKANTU_DEBUG_IN();
SolidMechanicsModel::setIncrementFlagOn();
UInt nb_nodes = mesh.getNbNodes();
std::stringstream sstr_disp_t;
sstr_disp_t << id << ":previous_displacement";
previous_displacement = &(alloc<Real > (sstr_disp_t.str(), nb_nodes, spatial_dimension, 0.));
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
/**
* Allocate all the needed vectors. By default their are not necessarily set to
* 0
*
*/
void SolidMechanicsModel::initArrays() {
AKANTU_DEBUG_IN();
UInt nb_nodes = mesh.getNbNodes();
std::stringstream sstr_disp; sstr_disp << id << ":displacement";
// std::stringstream sstr_mass; sstr_mass << id << ":mass";
std::stringstream sstr_velo; sstr_velo << id << ":velocity";
std::stringstream sstr_acce; sstr_acce << id << ":acceleration";
std::stringstream sstr_forc; sstr_forc << id << ":force";
std::stringstream sstr_resi; sstr_resi << id << ":residual";
std::stringstream sstr_boun; sstr_boun << id << ":blocked_dofs";
displacement = &(alloc<Real>(sstr_disp.str(), nb_nodes, spatial_dimension, REAL_INIT_VALUE));
// mass = &(alloc<Real>(sstr_mass.str(), nb_nodes, spatial_dimension, 0));
velocity = &(alloc<Real>(sstr_velo.str(), nb_nodes, spatial_dimension, REAL_INIT_VALUE));
acceleration = &(alloc<Real>(sstr_acce.str(), nb_nodes, spatial_dimension, REAL_INIT_VALUE));
force = &(alloc<Real>(sstr_forc.str(), nb_nodes, spatial_dimension, REAL_INIT_VALUE));
residual = &(alloc<Real>(sstr_resi.str(), nb_nodes, spatial_dimension, REAL_INIT_VALUE));
blocked_dofs = &(alloc<bool>(sstr_boun.str(), nb_nodes, spatial_dimension, false));
std::stringstream sstr_curp; sstr_curp << id << ":current_position";
current_position = &(alloc<Real>(sstr_curp.str(), 0, spatial_dimension, REAL_INIT_VALUE));
for(UInt g = _not_ghost; g <= _ghost; ++g) {
GhostType gt = (GhostType) g;
Mesh::type_iterator it = mesh.firstType(spatial_dimension, gt, _ek_not_defined);
Mesh::type_iterator end = mesh.lastType(spatial_dimension, gt, _ek_not_defined);
for(; it != end; ++it) {
UInt nb_element = mesh.getNbElement(*it, gt);
material_index.alloc(nb_element, 1, *it, gt);
material_local_numbering.alloc(nb_element, 1, *it, gt);
}
}
dof_synchronizer = new DOFSynchronizer(mesh, spatial_dimension);
dof_synchronizer->initLocalDOFEquationNumbers();
dof_synchronizer->initGlobalDOFEquationNumbers();
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
/**
* Initialize the model,basically it pre-compute the shapes, shapes derivatives
* and jacobian
*
*/
void SolidMechanicsModel::initModel() {
/// \todo add the current position as a parameter to initShapeFunctions for
/// large deformation
getFEEngine().initShapeFunctions(_not_ghost);
getFEEngine().initShapeFunctions(_ghost);
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::initPBC() {
Model::initPBC();
registerPBCSynchronizer();
// as long as there are ones on the diagonal of the matrix, we can put boudandary true for slaves
std::map<UInt, UInt>::iterator it = pbc_pair.begin();
std::map<UInt, UInt>::iterator end = pbc_pair.end();
UInt dim = mesh.getSpatialDimension();
while(it != end) {
for (UInt i=0; i<dim; ++i)
(*blocked_dofs)((*it).first,i) = true;
++it;
}
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::registerPBCSynchronizer(){
PBCSynchronizer * synch = new PBCSynchronizer(pbc_pair);
synch_registry->registerSynchronizer(*synch, _gst_smm_uv);
synch_registry->registerSynchronizer(*synch, _gst_smm_mass);
synch_registry->registerSynchronizer(*synch, _gst_smm_res);
synch_registry->registerSynchronizer(*synch, _gst_for_dump);
changeLocalEquationNumberForPBC(pbc_pair, mesh.getSpatialDimension());
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::updateCurrentPosition() {
AKANTU_DEBUG_IN();
UInt nb_nodes = mesh.getNbNodes();
current_position->resize(nb_nodes);
Real * current_position_val = current_position->storage();
Real * position_val = mesh.getNodes().storage();
Real * displacement_val = displacement->storage();
/// compute current_position = initial_position + displacement
memcpy(current_position_val, position_val, nb_nodes*spatial_dimension*sizeof(Real));
for (UInt n = 0; n < nb_nodes*spatial_dimension; ++n) {
*current_position_val++ += *displacement_val++;
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::initializeUpdateResidualData() {
AKANTU_DEBUG_IN();
UInt nb_nodes = mesh.getNbNodes();
residual->resize(nb_nodes);
/// copy the forces in residual for boundary conditions
memcpy(residual->storage(), force->storage(), nb_nodes*spatial_dimension*sizeof(Real));
// start synchronization
synch_registry->asynchronousSynchronize(_gst_smm_uv);
synch_registry->waitEndSynchronize(_gst_smm_uv);
updateCurrentPosition();
AKANTU_DEBUG_OUT();
}
/*----------------------------------------------------------------------------*/
void SolidMechanicsModel::reInitialize()
{
}
/* -------------------------------------------------------------------------- */
/* Explicit scheme */
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
/**
* This function compute the second member of the motion equation. That is to
* say the sum of forces @f$ r = F_{ext} - F_{int} @f$. @f$ F_{ext} @f$ is given
* by the user in the force vector, and @f$ F_{int} @f$ is computed as @f$
* F_{int} = \int_{\Omega} N \sigma d\Omega@f$
*
*/
void SolidMechanicsModel::updateResidual(bool need_initialize) {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_INFO("Assemble the internal forces");
// f = f_ext - f_int
// f = f_ext
if(need_initialize) initializeUpdateResidualData();
AKANTU_DEBUG_INFO("Compute local stresses");
std::vector<Material *>::iterator mat_it;
for (mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
Material & mat = **mat_it;
mat.computeAllStresses(_not_ghost);
}
#ifdef AKANTU_DAMAGE_NON_LOCAL
/* ------------------------------------------------------------------------ */
/* Computation of the non local part */
synch_registry->asynchronousSynchronize(_gst_mnl_for_average);
AKANTU_DEBUG_INFO("Compute non local stresses for local elements");
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
Material & mat = **mat_it;
mat.computeAllNonLocalStresses(_not_ghost);
}
AKANTU_DEBUG_INFO("Wait distant non local stresses");
synch_registry->waitEndSynchronize(_gst_mnl_for_average);
AKANTU_DEBUG_INFO("Compute non local stresses for ghosts elements");
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
Material & mat = **mat_it;
mat.computeAllNonLocalStresses(_ghost);
}
#endif
/* ------------------------------------------------------------------------ */
/* assembling the forces internal */
// communicate the stress
AKANTU_DEBUG_INFO("Send data for residual assembly");
synch_registry->asynchronousSynchronize(_gst_smm_stress);
AKANTU_DEBUG_INFO("Assemble residual for local elements");
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
Material & mat = **mat_it;
mat.assembleResidual(_not_ghost);
}
AKANTU_DEBUG_INFO("Wait distant stresses");
// finalize communications
synch_registry->waitEndSynchronize(_gst_smm_stress);
AKANTU_DEBUG_INFO("Assemble residual for ghost elements");
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
Material & mat = **mat_it;
mat.assembleResidual(_ghost);
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::computeStresses() {
if (isExplicit()) {
// start synchronization
synch_registry->asynchronousSynchronize(_gst_smm_uv);
synch_registry->waitEndSynchronize(_gst_smm_uv);
// compute stresses on all local elements for each materials
std::vector<Material *>::iterator mat_it;
for (mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
Material & mat = **mat_it;
mat.computeAllStresses(_not_ghost);
}
/* ------------------------------------------------------------------------ */
#ifdef AKANTU_DAMAGE_NON_LOCAL
/* Computation of the non local part */
synch_registry->asynchronousSynchronize(_gst_mnl_for_average);
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
Material & mat = **mat_it;
mat.computeAllNonLocalStresses(_not_ghost);
}
synch_registry->waitEndSynchronize(_gst_mnl_for_average);
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
Material & mat = **mat_it;
mat.computeAllNonLocalStresses(_ghost);
}
#endif
} else {
std::vector<Material *>::iterator mat_it;
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
Material & mat = **mat_it;
mat.computeAllStressesFromTangentModuli(_not_ghost);
}
}
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::updateResidualInternal() {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_INFO("Update the residual");
// f = f_ext - f_int - Ma - Cv = r - Ma - Cv;
if(method != _static) {
// f -= Ma
if(mass_matrix) {
// if full mass_matrix
Array<Real> * Ma = new Array<Real>(*acceleration, true, "Ma");
*Ma *= *mass_matrix;
/// \todo check unit conversion for implicit dynamics
// *Ma /= f_m2a
*residual -= *Ma;
delete Ma;
} else if (mass) {
// else lumped mass
UInt nb_nodes = acceleration->getSize();
UInt nb_degree_of_freedom = acceleration->getNbComponent();
Real * mass_val = mass->storage();
Real * accel_val = acceleration->storage();
Real * res_val = residual->storage();
bool * blocked_dofs_val = blocked_dofs->storage();
for (UInt n = 0; n < nb_nodes * nb_degree_of_freedom; ++n) {
if(!(*blocked_dofs_val)) {
*res_val -= *accel_val * *mass_val /f_m2a;
}
blocked_dofs_val++;
res_val++;
mass_val++;
accel_val++;
}
} else {
AKANTU_DEBUG_ERROR("No function called to assemble the mass matrix.");
}
// f -= Cv
if(velocity_damping_matrix) {
Array<Real> * Cv = new Array<Real>(*velocity);
*Cv *= *velocity_damping_matrix;
*residual -= *Cv;
delete Cv;
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::updateAcceleration() {
AKANTU_DEBUG_IN();
updateResidualInternal();
if(method == _explicit_lumped_mass) {
/* residual = residual_{n+1} - M * acceleration_n therefore
solution = increment acceleration not acceleration */
solveLumped(*increment_acceleration,
*mass,
*residual,
*blocked_dofs,
f_m2a);
} else if (method == _explicit_consistent_mass) {
solve<NewmarkBeta::_acceleration_corrector>(*increment_acceleration);
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::solveLumped(Array<Real> & x,
const Array<Real> & A,
const Array<Real> & b,
const Array<bool> & blocked_dofs,
Real alpha) {
Real * A_val = A.storage();
Real * b_val = b.storage();
Real * x_val = x.storage();
bool * blocked_dofs_val = blocked_dofs.storage();
UInt nb_degrees_of_freedom = x.getSize() * x.getNbComponent();
for (UInt n = 0; n < nb_degrees_of_freedom; ++n) {
if(!(*blocked_dofs_val)) {
*x_val = alpha * (*b_val / *A_val);
}
x_val++;
A_val++;
b_val++;
blocked_dofs_val++;
}
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::explicitPred() {
AKANTU_DEBUG_IN();
if(increment_flag) {
if(previous_displacement) increment->copy(*previous_displacement);
else increment->copy(*displacement);
}
AKANTU_DEBUG_ASSERT(integrator,"itegrator should have been allocated: "
<< "have called initExplicit ? "
<< "or initImplicit ?");
integrator->integrationSchemePred(time_step,
*displacement,
*velocity,
*acceleration,
*blocked_dofs);
if(increment_flag) {
Real * inc_val = increment->storage();
Real * dis_val = displacement->storage();
UInt nb_degree_of_freedom = displacement->getSize() * displacement->getNbComponent();
for (UInt n = 0; n < nb_degree_of_freedom; ++n) {
*inc_val = *dis_val - *inc_val;
inc_val++;
dis_val++;
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::explicitCorr() {
AKANTU_DEBUG_IN();
integrator->integrationSchemeCorrAccel(time_step,
*displacement,
*velocity,
*acceleration,
*blocked_dofs,
*increment_acceleration);
if(previous_displacement) previous_displacement->copy(*displacement);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::solveStep() {
AKANTU_DEBUG_IN();
EventManager::sendEvent(SolidMechanicsModelEvent::BeforeSolveStepEvent(method));
this->explicitPred();
this->updateResidual();
this->updateAcceleration();
this->explicitCorr();
EventManager::sendEvent(SolidMechanicsModelEvent::AfterSolveStepEvent(method));
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
/* Implicit scheme */
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
/**
* Initialize the solver and create the sparse matrices needed.
*
*/
void SolidMechanicsModel::initSolver(__attribute__((unused)) SolverOptions & options) {
#if !defined(AKANTU_USE_MUMPS) && !defined(AKANTU_USE_PETSC)// or other solver in the future \todo add AKANTU_HAS_SOLVER in CMake
AKANTU_DEBUG_ERROR("You should at least activate one solver.");
#else
UInt nb_global_nodes = mesh.getNbGlobalNodes();
delete jacobian_matrix;
std::stringstream sstr; sstr << id << ":jacobian_matrix";
#ifdef AKANTU_USE_PETSC
jacobian_matrix = new PETScMatrix(nb_global_nodes * spatial_dimension, _symmetric, sstr.str(), memory_id);
#else
jacobian_matrix = new SparseMatrix(nb_global_nodes * spatial_dimension, _symmetric, sstr.str(), memory_id);
#endif //AKANTU_USE PETSC
jacobian_matrix->buildProfile(mesh, *dof_synchronizer, spatial_dimension);
if (!isExplicit()) {
delete stiffness_matrix;
std::stringstream sstr_sti; sstr_sti << id << ":stiffness_matrix";
#ifdef AKANTU_USE_PETSC
stiffness_matrix = new SparseMatrix(nb_global_nodes * spatial_dimension, _symmetric, sstr.str(), memory_id);
stiffness_matrix->buildProfile(mesh, *dof_synchronizer, spatial_dimension);
#else
stiffness_matrix = new SparseMatrix(*jacobian_matrix, sstr_sti.str(), memory_id);
#endif //AKANTU_USE_PETSC
}
delete solver;
std::stringstream sstr_solv; sstr_solv << id << ":solver";
#ifdef AKANTU_USE_PETSC
solver = new SolverPETSc(*jacobian_matrix, sstr_solv.str());
#elif defined(AKANTU_USE_MUMPS)
solver = new SolverMumps(*jacobian_matrix, sstr_solv.str());
dof_synchronizer->initScatterGatherCommunicationScheme();
#else
AKANTU_DEBUG_ERROR("You should at least activate one solver.");
#endif //AKANTU_USE_MUMPS
if(solver)
solver->initialize(options);
#endif //AKANTU_HAS_SOLVER
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::initJacobianMatrix() {
#if defined(AKANTU_USE_MUMPS) && !defined(AKANTU_USE_PETSC)
// @todo make it more flexible: this is an ugly patch to treat the case of non
// fix profile of the K matrix
delete jacobian_matrix;
std::stringstream sstr_sti; sstr_sti << id << ":jacobian_matrix";
jacobian_matrix = new SparseMatrix(*stiffness_matrix, sstr_sti.str(), memory_id);
std::stringstream sstr_solv; sstr_solv << id << ":solver";
delete solver;
solver = new SolverMumps(*jacobian_matrix, sstr_solv.str());
if(solver)
solver->initialize(_solver_no_options);
#else
AKANTU_DEBUG_ERROR("You need to activate the solver mumps.");
#endif
}
/* -------------------------------------------------------------------------- */
/**
* Initialize the implicit solver, either for dynamic or static cases,
*
* @param dynamic
*/
void SolidMechanicsModel::initImplicit(bool dynamic, SolverOptions & solver_options) {
AKANTU_DEBUG_IN();
method = dynamic ? _implicit_dynamic : _static;
if (!increment) setIncrementFlagOn();
initSolver(solver_options);
if(method == _implicit_dynamic) {
if(integrator) delete integrator;
integrator = new TrapezoidalRule2();
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::initialAcceleration() {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_INFO("Solving Ma = f");
Solver * acc_solver = NULL;
std::stringstream sstr; sstr << id << ":tmp_mass_matrix";
SparseMatrix * tmp_mass = new SparseMatrix(*mass_matrix, sstr.str(), memory_id);
#ifdef AKANTU_USE_MUMPS
std::stringstream sstr_solver; sstr << id << ":solver_mass_matrix";
acc_solver = new SolverMumps(*mass_matrix, sstr_solver.str());
dof_synchronizer->initScatterGatherCommunicationScheme();
#else
AKANTU_DEBUG_ERROR("You should at least activate one solver.");
#endif //AKANTU_USE_MUMPS
acc_solver->initialize();
tmp_mass->applyBoundary(*blocked_dofs);
acc_solver->setRHS(*residual);
acc_solver->solve(*acceleration);
delete acc_solver;
delete tmp_mass;
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::assembleStiffnessMatrix() {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_INFO("Assemble the new stiffness matrix.");
stiffness_matrix->clear();
// call compute stiffness matrix on each local elements
std::vector<Material *>::iterator mat_it;
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
(*mat_it)->assembleStiffnessMatrix(_not_ghost);
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
SparseMatrix & SolidMechanicsModel::initVelocityDampingMatrix() {
if(!velocity_damping_matrix)
velocity_damping_matrix =
new SparseMatrix(*jacobian_matrix, id + ":velocity_damping_matrix", memory_id);
return *velocity_damping_matrix;
}
/* -------------------------------------------------------------------------- */
template<>
bool SolidMechanicsModel::testConvergence<_scc_increment>(Real tolerance, Real & error){
AKANTU_DEBUG_IN();
UInt nb_nodes = displacement->getSize();
UInt nb_degree_of_freedom = displacement->getNbComponent();
error = 0;
Real norm[2] = {0., 0.};
Real * increment_val = increment->storage();
bool * blocked_dofs_val = blocked_dofs->storage();
Real * displacement_val = displacement->storage();
for (UInt n = 0; n < nb_nodes; ++n) {
bool is_local_node = mesh.isLocalOrMasterNode(n);
for (UInt d = 0; d < nb_degree_of_freedom; ++d) {
if(!(*blocked_dofs_val) && is_local_node) {
norm[0] += *increment_val * *increment_val;
norm[1] += *displacement_val * *displacement_val;
}
blocked_dofs_val++;
increment_val++;
displacement_val++;
}
}
StaticCommunicator::getStaticCommunicator().allReduce(norm, 2, _so_sum);
norm[0] = sqrt(norm[0]);
norm[1] = sqrt(norm[1]);
AKANTU_DEBUG_ASSERT(!Math::isnan(norm[0]), "Something goes wrong in the solve phase");
if (norm[1] < Math::getTolerance()) {
error = norm[0];
AKANTU_DEBUG_OUT();
// cout<<"Error 1: "<<error<<endl;
return error < tolerance;
}
AKANTU_DEBUG_OUT();
if(norm[1] > Math::getTolerance())
error = norm[0] / norm[1];
else
error = norm[0]; //In case the total displacement is zero!
// cout<<"Error 2: "<<error<<endl;
return (error < tolerance);
}
/* -------------------------------------------------------------------------- */
template<>
bool SolidMechanicsModel::testConvergence<_scc_residual>(Real tolerance, Real & norm) {
AKANTU_DEBUG_IN();
UInt nb_nodes = residual->getSize();
UInt nb_degree_of_freedom = displacement->getNbComponent();
norm = 0;
Real * residual_val = residual->storage();
bool * blocked_dofs_val = blocked_dofs->storage();
for (UInt n = 0; n < nb_nodes; ++n) {
bool is_local_node = mesh.isLocalOrMasterNode(n);
if(is_local_node) {
for (UInt d = 0; d < nb_degree_of_freedom; ++d) {
if(!(*blocked_dofs_val)) {
norm += *residual_val * *residual_val;
}
blocked_dofs_val++;
residual_val++;
}
} else {
blocked_dofs_val += spatial_dimension;
residual_val += spatial_dimension;
}
}
StaticCommunicator::getStaticCommunicator().allReduce(&norm, 1, _so_sum);
norm = sqrt(norm);
AKANTU_DEBUG_ASSERT(!Math::isnan(norm), "Something goes wrong in the solve phase");
AKANTU_DEBUG_OUT();
return (norm < tolerance);
}
/* -------------------------------------------------------------------------- */
template<>
bool SolidMechanicsModel::testConvergence<_scc_residual_mass_wgh>(Real tolerance,
Real & norm) {
AKANTU_DEBUG_IN();
UInt nb_nodes = residual->getSize();
norm = 0;
Real * residual_val = residual->storage();
Real * mass_val = this->mass->storage();
bool * blocked_dofs_val = blocked_dofs->storage();
for (UInt n = 0; n < nb_nodes; ++n) {
bool is_local_node = mesh.isLocalOrMasterNode(n);
if(is_local_node) {
for (UInt d = 0; d < spatial_dimension; ++d) {
if(!(*blocked_dofs_val)) {
norm += *residual_val * *residual_val/(*mass_val * *mass_val);
}
blocked_dofs_val++;
residual_val++;
mass_val++;
}
} else {
blocked_dofs_val += spatial_dimension;
residual_val += spatial_dimension;
mass_val += spatial_dimension;
}
}
StaticCommunicator::getStaticCommunicator().allReduce(&norm, 1, _so_sum);
norm = sqrt(norm);
AKANTU_DEBUG_ASSERT(!Math::isnan(norm), "Something goes wrong in the solve phase");
AKANTU_DEBUG_OUT();
return (norm < tolerance);
}
/* -------------------------------------------------------------------------- */
bool SolidMechanicsModel::testConvergenceResidual(Real tolerance){
AKANTU_DEBUG_IN();
Real error=0;
bool res = this->testConvergence<_scc_residual>(tolerance, error);
AKANTU_DEBUG_OUT();
return res;
}
/* -------------------------------------------------------------------------- */
bool SolidMechanicsModel::testConvergenceResidual(Real tolerance, Real & error){
AKANTU_DEBUG_IN();
bool res = this->testConvergence<_scc_residual>(tolerance, error);
AKANTU_DEBUG_OUT();
return res;
}
/* -------------------------------------------------------------------------- */
bool SolidMechanicsModel::testConvergenceIncrement(Real tolerance){
AKANTU_DEBUG_IN();
Real error=0;
bool res = this->testConvergence<_scc_increment>(tolerance, error);
AKANTU_DEBUG_OUT();
return res;
}
/* -------------------------------------------------------------------------- */
bool SolidMechanicsModel::testConvergenceIncrement(Real tolerance, Real & error){
AKANTU_DEBUG_IN();
bool res = this->testConvergence<_scc_increment>(tolerance, error);
AKANTU_DEBUG_OUT();
return res;
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::implicitPred() {
AKANTU_DEBUG_IN();
if(previous_displacement) previous_displacement->copy(*displacement);
if(method == _implicit_dynamic)
integrator->integrationSchemePred(time_step,
*displacement,
*velocity,
*acceleration,
*blocked_dofs);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::implicitCorr() {
AKANTU_DEBUG_IN();
if(method == _implicit_dynamic) {
integrator->integrationSchemeCorrDispl(time_step,
*displacement,
*velocity,
*acceleration,
*blocked_dofs,
*increment);
} else {
UInt nb_nodes = displacement->getSize();
UInt nb_degree_of_freedom = displacement->getNbComponent() * nb_nodes;
Real * incr_val = increment->storage();
Real * disp_val = displacement->storage();
bool * boun_val = blocked_dofs->storage();
for (UInt j = 0; j < nb_degree_of_freedom; ++j, ++disp_val, ++incr_val, ++boun_val){
*incr_val *= (1. - *boun_val);
*disp_val += *incr_val;
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::updateIncrement() {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_ASSERT(previous_displacement,"The previous displacement has to be initialized."
<< " Are you working with Finite or Ineslactic deformations?");
UInt nb_nodes = displacement->getSize();
UInt nb_degree_of_freedom = displacement->getNbComponent() * nb_nodes;
Real * incr_val = increment->storage();
Real * disp_val = displacement->storage();
Real * prev_disp_val = previous_displacement->storage();
for (UInt j = 0; j < nb_degree_of_freedom; ++j, ++disp_val, ++incr_val, ++prev_disp_val)
*incr_val = (*disp_val - *prev_disp_val);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::updatePreviousDisplacement() {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_ASSERT(previous_displacement,"The previous displacement has to be initialized."
<< " Are you working with Finite or Ineslactic deformations?");
previous_displacement->copy(*displacement);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
/* Information */
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::synchronizeBoundaries() {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_ASSERT(synch_registry,"Synchronizer registry was not initialized."
<< " Did you call initParallel?");
synch_registry->synchronize(_gst_smm_boundary);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::synchronizeResidual() {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_ASSERT(synch_registry,"Synchronizer registry was not initialized."
<< " Did you call initPBC?");
synch_registry->synchronize(_gst_smm_res);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::setIncrementFlagOn() {
AKANTU_DEBUG_IN();
if(!increment) {
UInt nb_nodes = mesh.getNbNodes();
std::stringstream sstr_inc; sstr_inc << id << ":increment";
increment = &(alloc<Real>(sstr_inc.str(), nb_nodes, spatial_dimension, 0.));
}
increment_flag = true;
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
Real SolidMechanicsModel::getStableTimeStep() {
AKANTU_DEBUG_IN();
Real min_dt = getStableTimeStep(_not_ghost);
/// reduction min over all processors
StaticCommunicator::getStaticCommunicator().allReduce(&min_dt, 1, _so_min);
AKANTU_DEBUG_OUT();
return min_dt;
}
/* -------------------------------------------------------------------------- */
Real SolidMechanicsModel::getStableTimeStep(const GhostType & ghost_type) {
AKANTU_DEBUG_IN();
Material ** mat_val = &(materials.at(0));
Real min_dt = std::numeric_limits<Real>::max();
updateCurrentPosition();
Element elem;
elem.ghost_type = ghost_type;
elem.kind = _ek_regular;
Mesh::type_iterator it = mesh.firstType(spatial_dimension, ghost_type);
Mesh::type_iterator end = mesh.lastType(spatial_dimension, ghost_type);
for(; it != end; ++it) {
elem.type = *it;
UInt nb_nodes_per_element = mesh.getNbNodesPerElement(*it);
UInt nb_element = mesh.getNbElement(*it);
Array<UInt>::const_scalar_iterator mat_indexes = material_index(*it, ghost_type).begin();
Array<UInt>::const_scalar_iterator mat_loc_num = material_local_numbering(*it, ghost_type).begin();
Array<Real> X(0, nb_nodes_per_element*spatial_dimension);
FEEngine::extractNodalToElementField(mesh, *current_position,
X, *it, _not_ghost);
Array<Real>::matrix_iterator X_el =
X.begin(spatial_dimension, nb_nodes_per_element);
for (UInt el = 0; el < nb_element; ++el, ++X_el, ++mat_indexes, ++mat_loc_num) {
elem.element = *mat_loc_num;
Real el_h = getFEEngine().getElementInradius(*X_el, *it);
Real el_c = mat_val[*mat_indexes]->getCelerity(elem);
Real el_dt = el_h / el_c;
min_dt = std::min(min_dt, el_dt);
}
}
AKANTU_DEBUG_OUT();
return min_dt;
}
/* -------------------------------------------------------------------------- */
Real SolidMechanicsModel::getPotentialEnergy() {
AKANTU_DEBUG_IN();
Real energy = 0.;
/// call update residual on each local elements
std::vector<Material *>::iterator mat_it;
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
energy += (*mat_it)->getPotentialEnergy();
}
/// reduction sum over all processors
StaticCommunicator::getStaticCommunicator().allReduce(&energy, 1, _so_sum);
AKANTU_DEBUG_OUT();
return energy;
}
/* -------------------------------------------------------------------------- */
Real SolidMechanicsModel::getKineticEnergy() {
AKANTU_DEBUG_IN();
if (!mass && !mass_matrix)
AKANTU_DEBUG_ERROR("No function called to assemble the mass matrix.");
Real ekin = 0.;
UInt nb_nodes = mesh.getNbNodes();
Real * vel_val = velocity->storage();
Real * mass_val = mass->storage();
for (UInt n = 0; n < nb_nodes; ++n) {
Real mv2 = 0;
bool is_local_node = mesh.isLocalOrMasterNode(n);
bool is_not_pbc_slave_node = !isPBCSlaveNode(n);
bool count_node = is_local_node && is_not_pbc_slave_node;
for (UInt i = 0; i < spatial_dimension; ++i) {
if (count_node)
mv2 += *vel_val * *vel_val * *mass_val;
vel_val++;
mass_val++;
}
ekin += mv2;
}
StaticCommunicator::getStaticCommunicator().allReduce(&ekin, 1, _so_sum);
AKANTU_DEBUG_OUT();
return ekin * .5;
}
/* -------------------------------------------------------------------------- */
Real SolidMechanicsModel::getKineticEnergy(const ElementType & type, UInt index) {
AKANTU_DEBUG_IN();
UInt nb_quadrature_points = getFEEngine().getNbQuadraturePoints(type);
Array<Real> vel_on_quad(nb_quadrature_points, spatial_dimension);
Array<UInt> filter_element(1, 1, index);
getFEEngine().interpolateOnQuadraturePoints(*velocity, vel_on_quad,
spatial_dimension,
type, _not_ghost,
filter_element);
Array<Real>::vector_iterator vit = vel_on_quad.begin(spatial_dimension);
Array<Real>::vector_iterator vend = vel_on_quad.end(spatial_dimension);
Vector<Real> rho_v2(nb_quadrature_points);
Real rho = materials[material_index(type)(index)]->getRho();
for (UInt q = 0; vit != vend; ++vit, ++q) {
rho_v2(q) = rho * vit->dot(*vit);
}
AKANTU_DEBUG_OUT();
return .5*getFEEngine().integrate(rho_v2, type, index);
}
/* -------------------------------------------------------------------------- */
Real SolidMechanicsModel::getExternalWork() {
AKANTU_DEBUG_IN();
Real * velo = velocity->storage();
Real * forc = force->storage();
Real * resi = residual->storage();
bool * boun = blocked_dofs->storage();
Real work = 0.;
UInt nb_nodes = mesh.getNbNodes();
for (UInt n = 0; n < nb_nodes; ++n) {
bool is_local_node = mesh.isLocalOrMasterNode(n);
bool is_not_pbc_slave_node = !isPBCSlaveNode(n);
bool count_node = is_local_node && is_not_pbc_slave_node;
for (UInt i = 0; i < spatial_dimension; ++i) {
if (count_node) {
if(*boun)
work -= *resi * *velo * time_step;
else
work += *forc * *velo * time_step;
}
++velo;
++forc;
++resi;
++boun;
}
}
StaticCommunicator::getStaticCommunicator().allReduce(&work, 1, _so_sum);
AKANTU_DEBUG_OUT();
return work;
}
/* -------------------------------------------------------------------------- */
Real SolidMechanicsModel::getEnergy(const std::string & energy_id) {
AKANTU_DEBUG_IN();
if (energy_id == "kinetic") {
return getKineticEnergy();
} else if (energy_id == "external work"){
return getExternalWork();
}
Real energy = 0.;
std::vector<Material *>::iterator mat_it;
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
energy += (*mat_it)->getEnergy(energy_id);
}
/// reduction sum over all processors
StaticCommunicator::getStaticCommunicator().allReduce(&energy, 1, _so_sum);
AKANTU_DEBUG_OUT();
return energy;
}
/* -------------------------------------------------------------------------- */
Real SolidMechanicsModel::getEnergy(const std::string & energy_id,
const ElementType & type,
UInt index){
AKANTU_DEBUG_IN();
if (energy_id == "kinetic") {
return getKineticEnergy(type, index);
}
std::vector<Material *>::iterator mat_it;
UInt mat_index = this->material_index(type, _not_ghost)(index);
UInt mat_loc_num = this->material_local_numbering(type, _not_ghost)(index);
Real energy = this->materials[mat_index]->getEnergy(energy_id, type, mat_loc_num);
AKANTU_DEBUG_OUT();
return energy;
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::onElementsAdded(const Array<Element> & element_list,
const NewElementsEvent & event) {
AKANTU_DEBUG_IN();
this->getFEEngine().initShapeFunctions(_not_ghost);
this->getFEEngine().initShapeFunctions(_ghost);
for(UInt g = _not_ghost; g <= _ghost; ++g) {
GhostType gt = (GhostType) g;
Mesh::type_iterator it = this->mesh.firstType(spatial_dimension, gt, _ek_not_defined);
Mesh::type_iterator end = this->mesh.lastType(spatial_dimension, gt, _ek_not_defined);
for(; it != end; ++it) {
UInt nb_element = this->mesh.getNbElement(*it, gt);
if(!material_index.exists(*it, gt)) {
this->material_index .alloc(nb_element, 1, *it, gt);
this->material_local_numbering.alloc(nb_element, 1, *it, gt);
} else {
this->material_index (*it, gt).resize(nb_element);
this->material_local_numbering(*it, gt).resize(nb_element);
}
}
}
Array<Element>::const_iterator<Element> it = element_list.begin();
Array<Element>::const_iterator<Element> end = element_list.end();
ElementTypeMapArray<UInt> filter("new_element_filter", this->getID());
for (UInt el = 0; it != end; ++it, ++el) {
const Element & elem = *it;
if(!filter.exists(elem.type, elem.ghost_type))
filter.alloc(0, 1, elem.type, elem.ghost_type);
filter(elem.type, elem.ghost_type).push_back(elem.element);
}
this->assignMaterialToElements(&filter);
std::vector<Material *>::iterator mat_it;
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
(*mat_it)->onElementsAdded(element_list, event);
}
if(method == _explicit_lumped_mass) this->assembleMassLumped();
if (method != _explicit_lumped_mass) {
this->initSolver();
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::onElementsRemoved(__attribute__((unused)) const Array<Element> & element_list,
const ElementTypeMapArray<UInt> & new_numbering,
const RemovedElementsEvent & event) {
this->getFEEngine().initShapeFunctions(_not_ghost);
this->getFEEngine().initShapeFunctions(_ghost);
std::vector<Material *>::iterator mat_it;
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
(*mat_it)->onElementsRemoved(element_list, new_numbering, event);
}
if (method != _explicit_lumped_mass) {
this->initSolver();
}
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::onNodesAdded(const Array<UInt> & nodes_list,
__attribute__((unused)) const NewNodesEvent & event) {
AKANTU_DEBUG_IN();
UInt nb_nodes = mesh.getNbNodes();
if(displacement) displacement->resize(nb_nodes);
if(mass ) mass ->resize(nb_nodes);
if(velocity ) velocity ->resize(nb_nodes);
if(acceleration) acceleration->resize(nb_nodes);
if(force ) force ->resize(nb_nodes);
if(residual ) residual ->resize(nb_nodes);
if(blocked_dofs) blocked_dofs->resize(nb_nodes);
if(previous_displacement) previous_displacement->resize(nb_nodes);
if(increment_acceleration) increment_acceleration->resize(nb_nodes);
if(increment) increment->resize(nb_nodes);
if(current_position) current_position->resize(nb_nodes);
delete dof_synchronizer;
dof_synchronizer = new DOFSynchronizer(mesh, spatial_dimension);
dof_synchronizer->initLocalDOFEquationNumbers();
dof_synchronizer->initGlobalDOFEquationNumbers();
std::vector<Material *>::iterator mat_it;
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
(*mat_it)->onNodesAdded(nodes_list, event);
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::onNodesRemoved(__attribute__((unused)) const Array<UInt> & element_list,
const Array<UInt> & new_numbering,
__attribute__((unused)) const RemovedNodesEvent & event) {
if(displacement) mesh.removeNodesFromArray(*displacement, new_numbering);
if(mass ) mesh.removeNodesFromArray(*mass , new_numbering);
if(velocity ) mesh.removeNodesFromArray(*velocity , new_numbering);
if(acceleration) mesh.removeNodesFromArray(*acceleration, new_numbering);
if(force ) mesh.removeNodesFromArray(*force , new_numbering);
if(residual ) mesh.removeNodesFromArray(*residual , new_numbering);
if(blocked_dofs) mesh.removeNodesFromArray(*blocked_dofs, new_numbering);
if(increment_acceleration) mesh.removeNodesFromArray(*increment_acceleration, new_numbering);
if(increment) mesh.removeNodesFromArray(*increment , new_numbering);
delete dof_synchronizer;
dof_synchronizer = new DOFSynchronizer(mesh, spatial_dimension);
dof_synchronizer->initLocalDOFEquationNumbers();
dof_synchronizer->initGlobalDOFEquationNumbers();
}
/* -------------------------------------------------------------------------- */
bool SolidMechanicsModel::isInternal(const std::string & field_name,
const ElementKind & element_kind){
bool is_internal = false;
/// check if at least one material contains field_id as an internal
for (UInt m = 0; m < materials.size() && !is_internal; ++m) {
is_internal |= materials[m]->isInternal(field_name, element_kind);
}
return is_internal;
}
/* -------------------------------------------------------------------------- */
ElementTypeMap<UInt> SolidMechanicsModel::getInternalDataPerElem(const std::string & field_name,
const ElementKind & element_kind){
if (!(this->isInternal(field_name,element_kind))) AKANTU_EXCEPTION("unknown internal " << field_name);
for (UInt m = 0; m < materials.size() ; ++m) {
if (materials[m]->isInternal(field_name, element_kind))
return materials[m]->getInternalDataPerElem(field_name, element_kind);
}
return ElementTypeMap<UInt>();
}
/* -------------------------------------------------------------------------- */
ElementTypeMapArray<Real> & SolidMechanicsModel::flattenInternal(const std::string & field_name,
const ElementKind & kind,
const GhostType ghost_type){
std::pair<std::string,ElementKind> key(field_name,kind);
if (this->registered_internals.count(key) == 0){
this->registered_internals[key] =
new ElementTypeMapArray<Real>(field_name, this->id);
}
ElementTypeMapArray<Real> * internal_flat = this->registered_internals[key];
for (UInt m = 0; m < materials.size(); ++m) {
if (materials[m]->isInternal(field_name, kind))
materials[m]->flattenInternal(field_name, *internal_flat, ghost_type, kind);
}
return *internal_flat;
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::flattenAllRegisteredInternals(const ElementKind & kind){
std::map<std::pair<std::string, ElementKind>,
ElementTypeMapArray<Real> *>::iterator it = this->registered_internals.begin();
std::map<std::pair<std::string, ElementKind>,
ElementTypeMapArray<Real> *>::iterator end = this->registered_internals.end();
while (it != end){
if (kind == it->first.second)
this->flattenInternal(it->first.first, kind);
++it;
}
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::onDump(){
this->flattenAllRegisteredInternals(_ek_regular);
}
/* -------------------------------------------------------------------------- */
#ifdef AKANTU_USE_IOHELPER
dumper::Field * SolidMechanicsModel
::createElementalField(const std::string & field_name,
const std::string & group_name,
bool padding_flag,
const UInt & spatial_dimension,
const ElementKind & kind) {
dumper::Field * field = NULL;
if(field_name == "partitions")
field = mesh.createElementalField<UInt, dumper::ElementPartitionField>(mesh.getConnectivities(),group_name,spatial_dimension,kind);
else if(field_name == "material_index")
field = mesh.createElementalField<UInt, Vector, dumper::ElementalField >(material_index,group_name,spatial_dimension,kind);
else {
// this copy of field_name is used to compute derivated data such as
// strain and von mises stress that are based on grad_u and stress
std::string field_name_copy(field_name);
if (field_name == "strain"
|| field_name == "Green strain"
|| field_name == "principal strain"
|| field_name == "principal Green strain")
field_name_copy = "grad_u";
else if (field_name == "Von Mises stress")
field_name_copy = "stress";
bool is_internal = this->isInternal(field_name_copy,kind);
if (is_internal) {
ElementTypeMap<UInt> nb_data_per_elem = this->getInternalDataPerElem(field_name_copy, kind);
ElementTypeMapArray<Real> & internal_flat = this->flattenInternal(field_name_copy,kind);
field = mesh.createElementalField<Real, dumper::InternalMaterialField>(internal_flat,
group_name,
spatial_dimension,kind,nb_data_per_elem);
if (field_name == "strain"){
dumper::ComputeStrain<false> * foo = new dumper::ComputeStrain<false>(*this);
field = dumper::FieldComputeProxy::createFieldCompute(field,*foo);
} else if (field_name == "Von Mises stress") {
dumper::ComputeVonMisesStress * foo = new dumper::ComputeVonMisesStress(*this);
field = dumper::FieldComputeProxy::createFieldCompute(field,*foo);
} else if (field_name == "Green strain") {
dumper::ComputeStrain<true> * foo = new dumper::ComputeStrain<true>(*this);
field = dumper::FieldComputeProxy::createFieldCompute(field,*foo);
} else if (field_name == "principal strain") {
dumper::ComputePrincipalStrain<false> * foo = new dumper::ComputePrincipalStrain<false>(*this);
field = dumper::FieldComputeProxy::createFieldCompute(field,*foo);
} else if (field_name == "principal Green strain") {
dumper::ComputePrincipalStrain<true> * foo = new dumper::ComputePrincipalStrain<true>(*this);
field = dumper::FieldComputeProxy::createFieldCompute(field,*foo);
}
//treat the paddings
if (padding_flag){
if (field_name == "stress"){
if (spatial_dimension == 2) {
dumper::StressPadder<2> * foo = new dumper::StressPadder<2>(*this);
field = dumper::FieldComputeProxy::createFieldCompute(field,*foo);
}
} else if (field_name == "strain" || field_name == "Green strain"){
if (spatial_dimension == 2) {
dumper::StrainPadder<2> * foo = new dumper::StrainPadder<2>(*this);
field = dumper::FieldComputeProxy::createFieldCompute(field,*foo);
}
}
}
// homogenize the field
dumper::ComputeFunctorInterface * foo =
dumper::HomogenizerProxy::createHomogenizer(*field);
field = dumper::FieldComputeProxy::createFieldCompute(field,*foo);
}
}
return field;
}
/* -------------------------------------------------------------------------- */
dumper::Field * SolidMechanicsModel::createNodalFieldReal(const std::string & field_name,
const std::string & group_name,
bool padding_flag) {
std::map<std::string,Array<Real>* > real_nodal_fields;
real_nodal_fields["displacement" ] = displacement;
real_nodal_fields["mass" ] = mass;
real_nodal_fields["velocity" ] = velocity;
real_nodal_fields["acceleration" ] = acceleration;
real_nodal_fields["force" ] = force;
real_nodal_fields["residual" ] = residual;
real_nodal_fields["increment" ] = increment;
dumper::Field * field = NULL;
if (padding_flag)
field = mesh.createNodalField(real_nodal_fields[field_name],group_name, 3);
else
field = mesh.createNodalField(real_nodal_fields[field_name],group_name);
return field;
}
/* -------------------------------------------------------------------------- */
dumper::Field * SolidMechanicsModel::createNodalFieldBool(const std::string & field_name,
const std::string & group_name,
bool padding_flag) {
std::map<std::string,Array<bool>* > uint_nodal_fields;
uint_nodal_fields["blocked_dofs" ] = blocked_dofs;
dumper::Field * field = NULL;
field = mesh.createNodalField(uint_nodal_fields[field_name],group_name);
return field;
}
/* -------------------------------------------------------------------------- */
#else
/* -------------------------------------------------------------------------- */
dumper::Field * SolidMechanicsModel
::createElementalField(const std::string & field_name,
const std::string & group_name,
bool padding_flag,
const UInt & spatial_dimension,
const ElementKind & kind){
return NULL;
}
/* -------------------------------------------------------------------------- */
dumper::Field * SolidMechanicsModel::createNodalFieldReal(const std::string & field_name,
const std::string & group_name,
bool padding_flag) {
return NULL;
}
/* -------------------------------------------------------------------------- */
dumper::Field * SolidMechanicsModel::createNodalFieldBool(const std::string & field_name,
const std::string & group_name,
bool padding_flag) {
return NULL;
}
#endif
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::dump(const std::string & dumper_name) {
this->onDump();
EventManager::sendEvent(SolidMechanicsModelEvent::BeforeDumpEvent());
synch_registry->synchronize(_gst_for_dump);
mesh.dump(dumper_name);
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::dump(const std::string & dumper_name, UInt step) {
this->onDump();
EventManager::sendEvent(SolidMechanicsModelEvent::BeforeDumpEvent());
synch_registry->synchronize(_gst_for_dump);
mesh.dump(dumper_name, step);
}
/* ------------------------------------------------------------------------- */
void SolidMechanicsModel::dump(const std::string & dumper_name, Real time, UInt step) {
this->onDump();
EventManager::sendEvent(SolidMechanicsModelEvent::BeforeDumpEvent());
synch_registry->synchronize(_gst_for_dump);
mesh.dump(dumper_name, time, step);
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::dump() {
this->onDump();
EventManager::sendEvent(SolidMechanicsModelEvent::BeforeDumpEvent());
mesh.dump();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::dump(UInt step) {
this->onDump();
EventManager::sendEvent(SolidMechanicsModelEvent::BeforeDumpEvent());
mesh.dump(step);
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::dump(Real time, UInt step) {
this->onDump();
EventManager::sendEvent(SolidMechanicsModelEvent::BeforeDumpEvent());
mesh.dump(time, step);
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::computeCauchyStresses() {
AKANTU_DEBUG_IN();
// call compute stiffness matrix on each local elements
std::vector<Material *>::iterator mat_it;
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
Material & mat = **mat_it;
if(mat.isFiniteDeformation())
mat.computeAllCauchyStresses(_not_ghost);
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::saveStressAndStrainBeforeDamage() {
EventManager::sendEvent(SolidMechanicsModelEvent::BeginningOfDamageIterationEvent());
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::updateEnergiesAfterDamage() {
EventManager::sendEvent(SolidMechanicsModelEvent::AfterDamageEvent());
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::printself(std::ostream & stream, int indent) const {
std::string space;
for(Int i = 0; i < indent; i++, space += AKANTU_INDENT);
stream << space << "Solid Mechanics Model [" << std::endl;
stream << space << " + id : " << id << std::endl;
stream << space << " + spatial dimension : " << spatial_dimension << std::endl;
stream << space << " + fem [" << std::endl;
getFEEngine().printself(stream, indent + 2);
stream << space << AKANTU_INDENT << "]" << std::endl;
stream << space << " + nodals information [" << std::endl;
displacement->printself(stream, indent + 2);
mass ->printself(stream, indent + 2);
velocity ->printself(stream, indent + 2);
acceleration->printself(stream, indent + 2);
force ->printself(stream, indent + 2);
residual ->printself(stream, indent + 2);
blocked_dofs->printself(stream, indent + 2);
stream << space << AKANTU_INDENT << "]" << std::endl;
stream << space << " + material information [" << std::endl;
material_index.printself(stream, indent + 2);
stream << space << AKANTU_INDENT << "]" << std::endl;
stream << space << " + materials [" << std::endl;
std::vector<Material *>::const_iterator mat_it;
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
const Material & mat = *(*mat_it);
mat.printself(stream, indent + 1);
}
stream << space << AKANTU_INDENT << "]" << std::endl;
stream << space << "]" << std::endl;
}
/* -------------------------------------------------------------------------- */
__END_AKANTU__

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