solid_mechanics_model.cc
No OneTemporary
Actions

Subscribers

None

File Metadata

Created: Sun, May 12, 02:48

solid_mechanics_model.cc
View Options

	/**
	* @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 "element_group.hh"
	#include "static_communicator.hh"

	#include "dumpable_inline_impl.hh"
	#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
	/* -------------------------------------------------------------------------- */
	#include <cmath>
	/* -------------------------------------------------------------------------- */


	/* -------------------------------------------------------------------------- */
	__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), displacement(NULL),
	previous_displacement(NULL), increment(NULL), mass(NULL), velocity(NULL),
	acceleration(NULL), increment_acceleration(NULL), external_force(NULL),
	internal_force(NULL), blocked_dofs(NULL), current_position(NULL),
	material_index("material index", id),
	material_local_numbering("material local numbering", id), materials(0),
	material_selector(new DefaultMaterialSelector(material_index)),
	is_default_material_selector(true), increment_flag(false),
	synch_parallel(NULL), are_materials_instantiated(false) {
	AKANTU_DEBUG_IN();

	this->createSynchronizerRegistry(this);

	this->registerFEEngineObject<MyFEEngineType>("SolidMechanicsFEEngine", mesh,
	spatial_dimension);

	this->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 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
	}

	/* -------------------------------------------------------------------------- */
	/* Initialization */
	/* -------------------------------------------------------------------------- */
	/**
	* 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
	external_force->clear();
	velocity->clear();
	acceleration->clear();
	displacement->clear();

	// 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)
	this->initBC(this, displacement, increment, external_force);
	else
	this->initBC(this, displacement, *external_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);
	synch_registry->registerSynchronizer(*synch_parallel, _gst_for_dump);

	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_forc; sstr_forc << id << ":force";
	std::stringstream sstr_ifor; sstr_forc << id << ":internal_force";
	std::stringstream sstr_boun; sstr_boun << id << ":blocked_dofs";

	/* ------------------------------------------------------------------------ */
	//for static
	this->displacement = &(alloc<Real>(sstr_disp.str(), nb_nodes, spatial_dimension, REAL_INIT_VALUE));
	this->internal_force = &(alloc<Real>(sstr_ifor.str(), nb_nodes, spatial_dimension, REAL_INIT_VALUE));
	this->external_force = &(alloc<Real>(sstr_forc.str(), nb_nodes, spatial_dimension, REAL_INIT_VALUE));
	this->blocked_dofs = &(alloc<bool>(sstr_boun.str(), nb_nodes, spatial_dimension, false));

	this->getDOFManager().registerDOFs("displacements", *this->displacement, _dst_nodal);
	this->getDOFManager().registerBlockedDOFs("displacements", *this->blocked_dofs);

	std::stringstream sstr_curp; sstr_curp << id << ":current_position";
	this->current_position = &(alloc<Real>(sstr_curp.str(), 0, spatial_dimension, REAL_INIT_VALUE));

	/* ------------------------------------------------------------------------ */
	// for dynamic
	std::stringstream sstr_velo; sstr_velo << id << ":velocity";
	std::stringstream sstr_acce; sstr_acce << id << ":acceleration";
	this->velocity = &(alloc<Real>(sstr_velo.str(), nb_nodes, spatial_dimension, REAL_INIT_VALUE));
	this->acceleration = &(alloc<Real>(sstr_acce.str(), nb_nodes, spatial_dimension, REAL_INIT_VALUE));

	this->getDOFManager().registerDOFsDerivative("displacements", 1, *this->velocity);
	this->getDOFManager().registerDOFsDerivative("displacements", 2, *this->acceleration);

	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);
	this->material_index.alloc(nb_element, 1, *it, gt);
	this->material_local_numbering.alloc(nb_element, 1, *it, gt);
	}
	}

	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();

	this->current_position->copy(this->mesh.getNodes());

	Array<Real>::vector_iterator cpos_it = this->current_position->begin(spatial_dimension);
	Array<Real>::vector_iterator cpos_end = this->current_position->end(spatial_dimension);
	Array<Real>::const_vector_iterator disp_it = this->displacement->begin(spatial_dimension);

	for (; cpos_it != cpos_end; ++cpos_it, ++disp_it) {
	cpos_it += disp_it;
	}

	AKANTU_DEBUG_OUT();
	}

	/* -------------------------------------------------------------------------- */
	void SolidMechanicsModel::initializeUpdateResidualData() {
	AKANTU_DEBUG_IN();
	UInt nb_nodes = mesh.getNbNodes();
	internal_force->resize(nb_nodes);

	/// copy the forces in residual for boundary conditions
	this->getDOFManager().assembleToResidual("displacements", *this->external_force);

	// start synchronization
	synch_registry->asynchronousSynchronize(_gst_smm_uv);
	synch_registry->waitEndSynchronize(_gst_smm_uv);

	this->updateCurrentPosition();

	AKANTU_DEBUG_OUT();
	}

	/* -------------------------------------------------------------------------- */
	/* 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);
	}

	this->getDOFManager().assembleToResidual("displacements", *this->internal_force);

	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);
	}
	}
	}


	/* -------------------------------------------------------------------------- */
	/* Implicit scheme */
	/* -------------------------------------------------------------------------- */

	/* -------------------------------------------------------------------------- */
	// /**
	// * Initialize the solver and create the sparse matrices needed.
	// *
	// */
	// void SolidMechanicsModel::initSolver(__attribute__((unused))
	// SolverOptions & options) {
	// UInt nb_global_nodes = mesh.getNbGlobalNodes();

	// jacobian_matrix = &(this->getDOFManager().getNewMatrix("jacobian", _symmetric));

	// // jacobian_matrix->buildProfile(mesh, *dof_synchronizer, spatial_dimension);

	// if (!isExplicit()) {
	// delete stiffness_matrix;
	// std::stringstream sstr_sti;
	// sstr_sti << id << ":stiffness_matrix";

	// stiffness_matrix = &(this->getDOFManager().getNewMatrix("stiffness", _symmetric));
	// }


	// if (solver) solver->initialize(options);
	// }

	// /* -------------------------------------------------------------------------- */
	// void SolidMechanicsModel::initJacobianMatrix() {
	// // @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;

	// jacobian_matrix = &(this->getDOFManager().getNewMatrix("jacobian", "stiffness"));

	// 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);
	// }

	/* -------------------------------------------------------------------------- */
	/**
	* Initialize the implicit solver, either for dynamic or static cases,
	*
	* @param dynamic
	*/
	void SolidMechanicsModel::initImplicit(bool dynamic) {
	AKANTU_DEBUG_IN();

	method = dynamic ? _implicit_dynamic : _static;

	if (!increment) setIncrementFlagOn();

	initSolver();

	// if(method == _implicit_dynamic) {
	// if(integrator) delete integrator;
	// integrator = new TrapezoidalRule2();
	// }

	AKANTU_DEBUG_OUT();
	}

	/* -------------------------------------------------------------------------- */
	void SolidMechanicsModel::assembleStiffnessMatrix() {
	AKANTU_DEBUG_IN();

	AKANTU_DEBUG_INFO("Assemble the new stiffness matrix.");

	// 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() {
	return this->getDOFManager().getNewMatrix("velocity_damping", "jacobian");
	}

	// /* -------------------------------------------------------------------------- */
	// 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::getKineticEnergy() {
	AKANTU_DEBUG_IN();

	if (!mass)
	AKANTU_DEBUG_ERROR("No function called to assemble the mass.");

	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 = external_force->storage();
	Real * resi = internal_force->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);
	}

	}

	/* -------------------------------------------------------------------------- */
	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(external_force) external_force->resize(nb_nodes);
	if(internal_force) internal_force->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);

	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(internal_force) mesh.removeNodesFromArray(*internal_force, new_numbering);
	if(external_force) mesh.removeNodesFromArray(*external_force, 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);

	if (method != _explicit_lumped_mass) {
	this->initSolver();
	}
	}

	/* -------------------------------------------------------------------------- */
	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];

	typedef ElementTypeMapArray<Real>::type_iterator iterator;
	iterator tit = internal_flat->firstType(spatial_dimension,
	ghost_type,
	kind);
	iterator end = internal_flat->lastType(spatial_dimension,
	ghost_type,
	kind);

	for (; tit != end; ++tit) {
	ElementType type = *tit;
	(*internal_flat)(type,ghost_type).clear();
	}

	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"] = this->displacement;
	real_nodal_fields["mass"] = this->mass;
	real_nodal_fields["velocity"] = this->velocity;
	real_nodal_fields["acceleration"] = this->acceleration;
	real_nodal_fields["force"] = this->external_force;
	real_nodal_fields["residual"] = this->internal_force;
	real_nodal_fields["increment"] = this->increment;

	dumper::Field * field = NULL;
	if (padding_flag)
	field = this->mesh.createNodalField(real_nodal_fields[field_name], group_name, 3);
	else
	field = this->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());
	mesh.dump(dumper_name);
	}

	/* -------------------------------------------------------------------------- */
	void SolidMechanicsModel::dump(const std::string & dumper_name, UInt step) {
	this->onDump();
	EventManager::sendEvent(SolidMechanicsModelEvent::BeforeDumpEvent());
	mesh.dump(dumper_name, step);
	}

	/* ------------------------------------------------------------------------- */
	void SolidMechanicsModel::dump(const std::string & dumper_name, Real time, UInt step) {
	this->onDump();
	EventManager::sendEvent(SolidMechanicsModelEvent::BeforeDumpEvent());
	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);
	external_force->printself(stream, indent + 2);
	internal_force->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__

solid_mechanics_model.ccNo OneTemporaryActions

File Metadata

solid_mechanics_model.ccView Options

Event Timeline

solid_mechanics_model.cc
No OneTemporary
Actions

solid_mechanics_model.cc
View Options