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solid_mechanics_model.hh
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/**
* @file solid_mechanics_model.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@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: Tue Jan 19 2016
*
* @brief Model of Solid Mechanics
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014, 2015 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 "boundary_condition.hh"
#include "data_accessor.hh"
#include "model.hh"
#include "non_local_manager.hh"
#include "solid_mechanics_model_event_handler.hh"
#include "fe_engine.hh"
/* -------------------------------------------------------------------------- */
//#include "integrator_gauss.hh"
//#include "shape_lagrange.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_SOLID_MECHANICS_MODEL_HH__
#define __AKANTU_SOLID_MECHANICS_MODEL_HH__
namespace akantu {
class Material;
class MaterialSelector;
class DumperIOHelper;
class NonLocalManager;
template <ElementKind kind, class IntegrationOrderFunctor>
class IntegratorGauss;
template <ElementKind kind> class ShapeLagrange;
} // namespace akantu
/* -------------------------------------------------------------------------- */
namespace akantu {
namespace {
DECLARE_NAMED_ARGUMENT(analysis_method);
}
struct SolidMechanicsModelOptions : public ModelOptions {
explicit SolidMechanicsModelOptions(
AnalysisMethod analysis_method = _explicit_lumped_mass);
template <typename... pack>
SolidMechanicsModelOptions(use_named_args_t, pack &&... _pack);
AnalysisMethod analysis_method;
};
/* -------------------------------------------------------------------------- */
class SolidMechanicsModel
: public Model,
public DataAccessor<Element>,
public DataAccessor<UInt>,
public BoundaryCondition<SolidMechanicsModel>,
public NonLocalManagerCallback,
public EventHandlerManager<SolidMechanicsModelEventHandler> {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
class NewMaterialElementsEvent : public NewElementsEvent {
public:
AKANTU_GET_MACRO_NOT_CONST(MaterialList, material, Array<UInt> &);
AKANTU_GET_MACRO(MaterialList, material, const Array<UInt> &);
protected:
Array<UInt> material;
};
using MyFEEngineType = FEEngineTemplate<IntegratorGauss, ShapeLagrange>;
protected:
using EventManager = EventHandlerManager<SolidMechanicsModelEventHandler>;
public:
SolidMechanicsModel(Mesh & mesh, UInt spatial_dimension = _all_dimensions,
const ID & id = "solid_mechanics_model",
const MemoryID & memory_id = 0);
virtual ~SolidMechanicsModel();
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
template <typename P, typename T, typename... pack>
void initFull(named_argument::param_t<P, T &&> && first, pack &&... _pack) {
this->initFull(SolidMechanicsModelOptions{use_named_args, first, _pack...});
}
/// initialize completely the model
void initFull(
const ModelOptions & options = SolidMechanicsModelOptions()) override;
/// initialize the fem object needed for boundary conditions
void initFEEngineBoundary();
/// initialize all internal arrays for materials
virtual void initMaterials();
/// initialize the model
void initModel() override;
/// initialize a new solver and sets it as the default one to use
void initNewSolver(const AnalysisMethod & method);
/// function to print the containt of the class
void printself(std::ostream & stream, int indent = 0) const override;
/* ------------------------------------------------------------------------ */
/* Solver interface */
/* ------------------------------------------------------------------------ */
public:
/// assembles the stiffness matrix,
virtual void assembleStiffnessMatrix();
/// assembles the internal forces in the array internal_forces
virtual void assembleInternalForces();
protected:
/// callback for the solver, this adds f_{ext} - f_{int} to the residual
void assembleResidual() override;
/// get the type of matrix needed
MatrixType getMatrixType(const ID & matrix_id) override;
/// callback for the solver, this assembles different matrices
void assembleMatrix(const ID & matrix_id) override;
/// callback for the solver, this assembles the stiffness matrix
void assembleLumpedMatrix(const ID & matrix_id) override;
/// callback for the solver, this is called at beginning of solve
void predictor() override;
/// callback for the solver, this is called at end of solve
void corrector() override;
/// callback for the solver, this is called at beginning of solve
void beforeSolveStep() override;
/// callback for the solver, this is called at end of solve
void afterSolveStep() override;
/// Callback for the model to instantiate the matricees when needed
void initSolver(TimeStepSolverType time_step_solver_type,
NonLinearSolverType non_linear_solver_type) override;
protected:
/* ------------------------------------------------------------------------ */
TimeStepSolverType getDefaultSolverType() const override;
/* ------------------------------------------------------------------------ */
ModelSolverOptions
getDefaultSolverOptions(const TimeStepSolverType & type) const override;
public:
bool isDefaultSolverExplicit() {
return method == _explicit_lumped_mass ||
method == _explicit_consistent_mass;
}
protected:
/// update the current position vector
void updateCurrentPosition();
/* ------------------------------------------------------------------------ */
/* Materials (solid_mechanics_model_material.cc) */
/* ------------------------------------------------------------------------ */
public:
/// register an empty material of a given type
Material & registerNewMaterial(const ID & mat_name, const ID & mat_type,
const ID & opt_param);
/// reassigns materials depending on the material selector
virtual void reassignMaterial();
/// apply a constant eigen_grad_u on all quadrature points of a given material
virtual void applyEigenGradU(const Matrix<Real> & prescribed_eigen_grad_u,
const ID & material_name,
const GhostType ghost_type = _not_ghost);
protected:
/// register a material in the dynamic database
Material & registerNewMaterial(const ParserSection & mat_section);
/// read the material files to instantiate all the materials
void instantiateMaterials();
/// set the element_id_by_material and add the elements to the good materials
void
assignMaterialToElements(const ElementTypeMapArray<UInt> * filter = NULL);
/* ------------------------------------------------------------------------ */
/* Mass (solid_mechanics_model_mass.cc) */
/* ------------------------------------------------------------------------ */
public:
/// assemble the lumped mass matrix
void assembleMassLumped();
/// assemble the mass matrix for consistent mass resolutions
void assembleMass();
protected:
/// assemble the lumped mass matrix for local and ghost elements
void assembleMassLumped(GhostType ghost_type);
/// assemble the mass matrix for either _ghost or _not_ghost elements
void assembleMass(GhostType ghost_type);
/// fill a vector of rho
void computeRho(Array<Real> & rho, ElementType type, GhostType ghost_type);
/// compute the kinetic energy
Real getKineticEnergy();
Real getKineticEnergy(const ElementType & type, UInt index);
/// compute the external work (for impose displacement, the velocity should be
/// given too)
Real getExternalWork();
/* ------------------------------------------------------------------------ */
/* NonLocalManager inherited members */
/* ------------------------------------------------------------------------ */
protected:
void updateDataForNonLocalCriterion(ElementTypeMapReal & criterion) override;
void computeNonLocalStresses(const GhostType & ghost_type) override;
void
insertIntegrationPointsInNeighborhoods(const GhostType & ghost_type) override;
/// update the values of the non local internal
void updateLocalInternal(ElementTypeMapReal & internal_flat,
const GhostType & ghost_type,
const ElementKind & kind) override;
/// copy the results of the averaging in the materials
void updateNonLocalInternal(ElementTypeMapReal & internal_flat,
const GhostType & ghost_type,
const ElementKind & kind) override;
/* ------------------------------------------------------------------------ */
/* Data Accessor inherited members */
/* ------------------------------------------------------------------------ */
public:
inline UInt getNbData(const Array<Element> & elements,
const SynchronizationTag & tag) const override;
inline void packData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag & tag) const override;
inline void unpackData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag & tag) override;
inline UInt getNbData(const Array<UInt> & dofs,
const SynchronizationTag & tag) const override;
inline void packData(CommunicationBuffer & buffer, const Array<UInt> & dofs,
const SynchronizationTag & tag) const override;
inline void unpackData(CommunicationBuffer & buffer, const Array<UInt> & dofs,
const SynchronizationTag & tag) override;
protected:
inline void splitElementByMaterial(const Array<Element> & elements,
Array<Element> * elements_per_mat) const;
/* ------------------------------------------------------------------------ */
/* Mesh Event Handler inherited members */
/* ------------------------------------------------------------------------ */
protected:
void onNodesAdded(const Array<UInt> & nodes_list,
const NewNodesEvent & event) override;
void onNodesRemoved(const Array<UInt> & element_list,
const Array<UInt> & new_numbering,
const RemovedNodesEvent & event) override;
void onElementsAdded(const Array<Element> & nodes_list,
const NewElementsEvent & event) override;
void onElementsRemoved(const Array<Element> & element_list,
const ElementTypeMapArray<UInt> & new_numbering,
const RemovedElementsEvent & event) override;
void onElementsChanged(const Array<Element> &, const Array<Element> &,
const ElementTypeMapArray<UInt> &,
const ChangedElementsEvent &) override{};
/* ------------------------------------------------------------------------ */
/* Dumpable interface (kept for convenience) and dumper relative functions */
/* ------------------------------------------------------------------------ */
public:
virtual void onDump();
//! decide wether a field is a material internal or not
bool isInternal(const std::string & field_name,
const ElementKind & element_kind);
#ifndef SWIG
//! give the amount of data per element
virtual ElementTypeMap<UInt>
getInternalDataPerElem(const std::string & field_name,
const ElementKind & kind);
//! flatten a given material internal field
ElementTypeMapArray<Real> &
flattenInternal(const std::string & field_name, const ElementKind & kind,
const GhostType ghost_type = _not_ghost);
//! flatten all the registered material internals
void flattenAllRegisteredInternals(const ElementKind & kind);
#endif
dumper::Field * createNodalFieldReal(const std::string & field_name,
const std::string & group_name,
bool padding_flag) override;
dumper::Field * createNodalFieldBool(const std::string & field_name,
const std::string & group_name,
bool padding_flag) override;
dumper::Field * createElementalField(const std::string & field_name,
const std::string & group_name,
bool padding_flag,
const UInt & spatial_dimension,
const ElementKind & kind) override;
virtual void dump(const std::string & dumper_name);
virtual void dump(const std::string & dumper_name, UInt step);
virtual void dump(const std::string & dumper_name, Real time, UInt step);
void dump() override;
virtual void dump(UInt step);
virtual void dump(Real time, UInt step);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/// return the dimension of the system space
AKANTU_GET_MACRO(SpatialDimension, Model::spatial_dimension, UInt);
/// set the value of the time step
void setTimeStep(Real time_step, const ID & solver_id = "") override;
/// get the value of the conversion from forces/ mass to acceleration
AKANTU_GET_MACRO(F_M2A, f_m2a, Real);
/// set the value of the conversion from forces/ mass to acceleration
AKANTU_SET_MACRO(F_M2A, f_m2a, Real);
/// get the SolidMechanicsModel::displacement vector
AKANTU_GET_MACRO(Displacement, *displacement, Array<Real> &);
/// get the SolidMechanicsModel::previous_displacement vector
AKANTU_GET_MACRO(PreviousDisplacement, *previous_displacement, Array<Real> &);
/// get the SolidMechanicsModel::current_position vector \warn only consistent
/// after a call to SolidMechanicsModel::updateCurrentPosition
const Array<Real> & getCurrentPosition();
/// get the SolidMechanicsModel::increment vector \warn only consistent if
/// SolidMechanicsModel::setIncrementFlagOn has been called before
AKANTU_GET_MACRO(Increment, *displacement_increment, Array<Real> &);
/// get the lumped SolidMechanicsModel::mass vector
AKANTU_GET_MACRO(Mass, *mass, Array<Real> &);
/// get the SolidMechanicsModel::velocity vector
AKANTU_GET_MACRO(Velocity, *velocity, Array<Real> &);
/// get the SolidMechanicsModel::acceleration vector, updated by
/// SolidMechanicsModel::updateAcceleration
AKANTU_GET_MACRO(Acceleration, *acceleration, Array<Real> &);
/// get the SolidMechanicsModel::force vector (external forces)
AKANTU_GET_MACRO(Force, *external_force, Array<Real> &);
/// get the SolidMechanicsModel::internal_force vector (internal forces)
AKANTU_GET_MACRO(InternalForce, *internal_force, Array<Real> &);
/// get the SolidMechanicsModel::blocked_dofs vector
AKANTU_GET_MACRO(BlockedDOFs, *blocked_dofs, Array<bool> &);
/// get the value of the SolidMechanicsModel::increment_flag
AKANTU_GET_MACRO(IncrementFlag, increment_flag, bool);
/// get a particular material (by material index)
inline Material & getMaterial(UInt mat_index);
/// get a particular material (by material index)
inline const Material & getMaterial(UInt mat_index) const;
/// get a particular material (by material name)
inline Material & getMaterial(const std::string & name);
/// get a particular material (by material name)
inline const Material & getMaterial(const std::string & name) const;
/// get a particular material id from is name
inline UInt getMaterialIndex(const std::string & name) const;
/// give the number of materials
inline UInt getNbMaterials() const { return materials.size(); }
inline void setMaterialSelector(MaterialSelector & selector);
/// give the material internal index from its id
Int getInternalIndexFromID(const ID & id) const;
/// compute the stable time step
Real getStableTimeStep();
/// get the energies
Real getEnergy(const std::string & energy_id);
/// compute the energy for energy
Real getEnergy(const std::string & energy_id, const ElementType & type,
UInt index);
/// get the FEEngine object to integrate or interpolate on the boundary
FEEngine & getFEEngineBoundary(const ID & name = "") override;
AKANTU_GET_MACRO(MaterialByElement, material_index,
const ElementTypeMapArray<UInt> &);
/// vectors containing local material element index for each global element
/// index
AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(MaterialByElement, material_index,
UInt);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE(MaterialByElement, material_index, UInt);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(MaterialLocalNumbering,
material_local_numbering, UInt);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE(MaterialLocalNumbering,
material_local_numbering, UInt);
/// Get the type of analysis method used
AKANTU_GET_MACRO(AnalysisMethod, method, AnalysisMethod);
/// Access the non_local_manager interface
AKANTU_GET_MACRO(NonLocalManager, *non_local_manager, NonLocalManager &);
protected:
friend class Material;
protected:
/// compute the stable time step
Real getStableTimeStep(const GhostType & ghost_type);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// conversion coefficient form force/mass to acceleration
Real f_m2a;
/// displacements array
Array<Real> * displacement;
UInt displacement_release{0};
/// displacements array at the previous time step (used in finite deformation)
Array<Real> * previous_displacement;
/// increment of displacement
Array<Real> * displacement_increment;
/// lumped mass array
Array<Real> * mass;
/// Check if materials need to recompute the mass array
bool need_to_reassemble_lumped_mass{true};
/// Check if materials need to recompute the mass matrix
bool need_to_reassemble_mass{true};
/// velocities array
Array<Real> * velocity;
/// accelerations array
Array<Real> * acceleration;
/// accelerations array
// Array<Real> * increment_acceleration;
/// external forces array
Array<Real> * external_force;
/// internal forces array
Array<Real> * internal_force;
/// array specifing if a degree of freedom is blocked or not
Array<bool> * blocked_dofs;
/// array of current position used during update residual
Array<Real> * current_position;
UInt current_position_release{0};
/// Arrays containing the material index for each element
ElementTypeMapArray<UInt> material_index;
/// Arrays containing the position in the element filter of the material
/// (material's local numbering)
ElementTypeMapArray<UInt> material_local_numbering;
#ifdef SWIGPYTHON
public:
#endif
/// list of used materials
std::vector<std::unique_ptr<Material>> materials;
/// mapping between material name and material internal id
std::map<std::string, UInt> materials_names_to_id;
#ifdef SWIGPYTHON
protected:
#endif
/// class defining of to choose a material
MaterialSelector * material_selector;
/// define if it is the default selector or not
bool is_default_material_selector;
/// flag defining if the increment must be computed or not
bool increment_flag;
/// analysis method check the list in akantu::AnalysisMethod
AnalysisMethod method;
/// tells if the material are instantiated
bool are_materials_instantiated;
typedef std::map<std::pair<std::string, ElementKind>,
ElementTypeMapArray<Real> *>
flatten_internal_map;
/// map a registered internals to be flattened for dump purposes
flatten_internal_map registered_internals;
/// non local manager
std::unique_ptr<NonLocalManager> non_local_manager;
};
/* -------------------------------------------------------------------------- */
namespace BC {
namespace Neumann {
typedef FromHigherDim FromStress;
typedef FromSameDim FromTraction;
} // namespace Neumann
} // namespace BC
/// standard output stream operator
inline std::ostream & operator<<(std::ostream & stream,
const SolidMechanicsModel & _this) {
_this.printself(stream);
return stream;
}
} // namespace akantu
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#include "material.hh"
#include "parser.hh"
#include "solid_mechanics_model_inline_impl.cc"
#include "solid_mechanics_model_tmpl.hh"
#include "material_selector_tmpl.hh"
#endif /* __AKANTU_SOLID_MECHANICS_MODEL_HH__ */
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