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phase_field_model.hh
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phase_field_model.hh
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/**
* Copyright (©) 2018-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* 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 "fe_engine.hh"
#include "model.hh"
/* -------------------------------------------------------------------------- */
#include <array>
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_PHASE_FIELD_MODEL_HH__
#define __AKANTU_PHASE_FIELD_MODEL_HH__
namespace akantu {
class PhaseField;
class PhaseFieldSelector;
template <ElementKind kind, class IntegrationOrderFuntor> class IntegratorGauss;
template <ElementKind kind> class ShapeLagrange;
} // namespace akantu
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
class PhaseFieldModel : public Model,
public DataAccessor<Element>,
public DataAccessor<Idx>,
public BoundaryCondition<PhaseFieldModel> {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
using FEEngineType = FEEngineTemplate<IntegratorGauss, ShapeLagrange>;
PhaseFieldModel(Mesh & mesh, Int dim = _all_dimensions,
const ID & id = "phase_field_model",
std::shared_ptr<DOFManager> dof_manager = nullptr,
ModelType model_type = ModelType::_phase_field_model);
~PhaseFieldModel() override;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
protected:
/// generic function to initialize everything ready for explicit dynamics
void initFullImpl(const ModelOptions & options) override;
/// initialize all internal array for phasefields
void initPhaseFields();
/// allocate all vectors
void initSolver(TimeStepSolverType /*unused*/,
NonLinearSolverType /*unused*/) override;
/// initialize the model
void initModel() override;
/// predictor
void predictor() override;
/// corrector
void corrector() override;
/// compute the heat flux
void assembleResidual() override;
/// get the type of matrix needed
MatrixType getMatrixType(const ID & /*unused*/) const override;
/// callback to assemble a Matrix
void assembleMatrix(const ID & /*unused*/) override;
/// callback to assemble a lumped Matrix
void assembleLumpedMatrix(const ID & /*unused*/) override;
/// function to print the containt of the class
void printself(std::ostream & stream, int indent = 0) const override;
protected:
/* ------------------------------------------------------------------------ */
TimeStepSolverType getDefaultSolverType() const override;
std::tuple<ID, TimeStepSolverType>
getDefaultSolverID(const AnalysisMethod & method) override;
ModelSolverOptions
getDefaultSolverOptions(const TimeStepSolverType & type) const override;
/* ------------------------------------------------------------------------ */
/* Materials (phase_field_model.cc) */
/* ------------------------------------------------------------------------ */
public:
/// register an empty phasefield of a given type
PhaseField & registerNewPhaseField(const ID & phase_name,
const ID & phase_type,
const ID & opt_param);
/// reassigns phasefields depending on the phasefield selector
void reassignPhaseField();
protected:
/// register a phasefield in the dynamic database
PhaseField & registerNewPhaseField(const ParserSection & phase_section);
/// read the phasefield files to instantiate all the phasefields
void instantiatePhaseFields();
/// set the element_id_by_phasefield and add the elements to the good
/// phasefields
void
assignPhaseFieldToElements(const ElementTypeMapArray<Idx> * filter = nullptr);
/* ------------------------------------------------------------------------ */
/* Methods for static */
/* ------------------------------------------------------------------------ */
public:
/// assembles the phasefield stiffness matrix
virtual void assembleStiffnessMatrix();
/// compute the internal forces
virtual void assembleInternalForces();
// compute the internal forces
void assembleInternalForces(GhostType ghost_type);
/* ------------------------------------------------------------------------ */
/* Methods for dynamic */
/* ------------------------------------------------------------------------ */
public:
/// set the stable timestep
void setTimeStep(Real time_step, const ID & solver_id = "") override;
protected:
/// 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(bool converged = true) override;
/* ------------------------------------------------------------------------ */
/* Data Accessor inherited members */
/* ------------------------------------------------------------------------ */
public:
Int getNbData(const Array<Element> & elements,
const SynchronizationTag & tag) const override;
void packData(CommunicationBuffer & buffer, const Array<Element> & elements,
const SynchronizationTag & tag) const override;
void unpackData(CommunicationBuffer & buffer, const Array<Element> & elements,
const SynchronizationTag & tag) override;
Int getNbData(const Array<Idx> & indexes,
const SynchronizationTag & tag) const override;
void packData(CommunicationBuffer & buffer, const Array<Idx> & indexes,
const SynchronizationTag & tag) const override;
void unpackData(CommunicationBuffer & buffer, const Array<Idx> & indexes,
const SynchronizationTag & tag) override;
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
protected:
/// Compute dissipated energy for an element type and phasefield index
Real getEnergy(ElementType type, Idx index);
public:
/// return the damage array
AKANTU_GET_MACRO_DEREF_PTR(Damage, damage);
AKANTU_GET_MACRO_DEREF_PTR_NOT_CONST(Damage, damage);
/// get the PhaseFieldModel::internal_force vector (internal forces)
AKANTU_GET_MACRO_DEREF_PTR(InternalForce, internal_force);
AKANTU_GET_MACRO_DEREF_PTR_NOT_CONST(InternalForce, internal_force);
/// get the PhaseFieldModel::external_force vector (external forces)
AKANTU_GET_MACRO_DEREF_PTR(ExternalForce, external_force);
AKANTU_GET_MACRO_DEREF_PTR_NOT_CONST(ExternalForce, external_force);
/// get the PhaseFieldModel::force vector (external forces)
Array<Real> & getForce() {
AKANTU_DEBUG_WARNING("getForce was maintained for backward compatibility, "
"use getExternalForce instead");
return *external_force;
}
/// get the PhaseFieldModel::blocked_dofs vector
AKANTU_GET_MACRO_DEREF_PTR(BlockedDOFs, blocked_dofs);
/// get an iterable on the phasefields
inline decltype(auto) getPhaseFields();
/// get an iterable on the phasefields
inline decltype(auto) getPhaseFields() const;
/// get a particular phasefield (by phasefield index)
inline PhaseField & getPhaseField(Idx mat_index);
/// get a particular phasefield (by phasefield index)
inline const PhaseField & getPhaseField(Idx mat_index) const;
/// get a particular phasefield (by phasefield name)
inline PhaseField & getPhaseField(const std::string & name);
/// get a particular phasefield (by phasefield name)
inline const PhaseField & getPhaseField(const std::string & name) const;
/// get a particular phasefield id from is name
inline Idx getPhaseFieldIndex(const std::string & name) const;
/// give the number of phasefields
inline Idx getNbPhaseFields() const { return phasefields.size(); }
/// give the phasefield internal index from its id
Idx getInternalIndexFromID(const ID & id) const;
/**
* @brief Returns the total dissipated energy
*
*/
Real getEnergy();
/// Compute dissipated energy for an individual element
Real getEnergy(const Element & element) {
return getEnergy(element.type, element.element);
}
/// Compute dissipated energy for an element group
Real getEnergy(const ID & group_id);
AKANTU_GET_MACRO(PhaseFieldByElement, phasefield_index,
const ElementTypeMapArray<Idx> &);
AKANTU_GET_MACRO(PhaseFieldLocalNumbering, phasefield_local_numbering,
const ElementTypeMapArray<Idx> &);
/// vectors containing local material element index for each global element
/// index
AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(PhaseFieldByElement, phasefield_index,
Idx);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE(PhaseFieldByElement, phasefield_index, Idx);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(PhaseFieldLocalNumbering,
phasefield_local_numbering, Idx);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE(PhaseFieldLocalNumbering,
phasefield_local_numbering, Idx);
AKANTU_GET_MACRO_NOT_CONST(PhaseFieldSelector, *phasefield_selector,
PhaseFieldSelector &);
AKANTU_SET_MACRO(PhaseFieldSelector, phasefield_selector,
std::shared_ptr<PhaseFieldSelector>);
FEEngine & getFEEngineBoundary(const ID & name = "") override;
/* ------------------------------------------------------------------------ */
/* Dumpable Interface */
/* ------------------------------------------------------------------------ */
public:
std::shared_ptr<dumpers::Field>
createNodalFieldReal(const std::string & field_name,
const std::string & group_name,
bool padding_flag) override;
std::shared_ptr<dumpers::Field>
createNodalFieldBool(const std::string & field_name,
const std::string & group_name,
bool padding_flag) override;
std::shared_ptr<dumpers::Field>
createElementalField(const std::string & field_name,
const std::string & group_name, bool padding_flag,
Int spatial_dimension, ElementKind kind) override;
//! flatten a given phasefield internal field
ElementTypeMapArray<Real> &
flattenInternal(const std::string & field_name, ElementKind kind,
GhostType ghost_type = _not_ghost);
//! inverse operation of the flatten
void inflateInternal(const std::string & field_name,
const ElementTypeMapArray<Real> & field,
ElementKind kind, GhostType ghost_type = _not_ghost);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
/// number of iterations
Int n_iter;
/// damage array
std::unique_ptr<Array<Real>> damage;
/// damage array at the previous time step
std::unique_ptr<Array<Real>> previous_damage;
/// boundary vector
std::unique_ptr<Array<bool>> blocked_dofs;
/// external force vector
std::unique_ptr<Array<Real>> external_force;
/// residuals array
std::unique_ptr<Array<Real>> internal_force;
/// Arrays containing the phasefield index for each element
ElementTypeMapArray<Idx> phasefield_index;
/// Arrays containing the position in the element filter of the phasefield
/// (phasefield's local numbering)
ElementTypeMapArray<Idx> phasefield_local_numbering;
/// class defining of to choose a phasefield
std::shared_ptr<PhaseFieldSelector> phasefield_selector;
/// mapping between phasefield name and phasefield internal id
std::map<std::string, Idx> phasefields_names_to_id;
/// list of used phasefields
std::vector<std::unique_ptr<PhaseField>> phasefields;
using flatten_internal_map =
std::map<std::pair<std::string, ElementKind>,
std::unique_ptr<ElementTypeMapArray<Real>>>;
/// tells if the phasefields are instantiated
flatten_internal_map registered_internals;
/// tells if the phasefield are instantiated
bool are_phasefields_instantiated{false};
};
} // namespace akantu
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#include "parser.hh"
#include "phasefield.hh"
#include "phase_field_model_inline_impl.hh"
/* -------------------------------------------------------------------------- */
#endif

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