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phase_field_model.hh
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/**
* @file phase_field_model.hh
*
* @author Mohit Pundir <mohit.pundir@epfl.ch>
*
* @date creation: Sun Jul 30 2018
* @date last modification: Mon Feb 05 2018
*
* @brief Model of Phase Field
*
* @section LICENSE
*
* Copyright (©) 2010-2018 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 "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<UInt>,
public BoundaryCondition<PhaseFieldModel> {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
using FEEngineType = FEEngineTemplate<IntegratorGauss, ShapeLagrange>;
PhaseFieldModel(Mesh & mesh, UInt spatial_dimension = _all_dimensions,
const ID & id = "phase_field_model",
const MemoryID & memory_id = 0,
const 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, NonLinearSolverType) 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 &) override;
/// callback to assemble a Matrix
void assembleMatrix(const ID &) override;
/// callback to assemble a lumped Matrix
void assembleLumpedMatrix(const ID &) override;
std::tuple<ID, TimeStepSolverType>
getDefaultSolverID(const AnalysisMethod & method) override;
ModelSolverOptions
getDefaultSolverOptions(const TimeStepSolverType & type) const;
/// function to print the containt of the class
void printself(std::ostream & stream, int indent = 0) const override;
/* ------------------------------------------------------------------------ */
/* Materials (phase_field_model.cc) */
/* ------------------------------------------------------------------------ */
public:
/// register an empty phasefield of a given type
PhaseField & registerNewPhaseField(const ID & mat_name, const ID & mat_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<UInt> * 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(const GhostType & ghost_type);
/// coupling parameters damage and strains from solid mechanics model
void setCouplingParameters(ElementTypeMapArray<Real> & strain_on_qpoints,
Array<Real> & damage);
private:
/// compute vector strain history field for each quadrature point
//void computePhiHistoryOnQuadPoints(const GhostType & ghost_type);
/// compute vector strain history field for each quadrature point
//void computeDamageEnergyDensityOnQuadPoints(const GhostType & ghost_type);
/// compute driving force for each quadrature point
//void computeDrivingForce(const GhostType & ghost_type);
/// compute the damage on quadrature points
void computeDamageOnQuadPoints(const GhostType & ghost_type);
/// compute the fracture energy
Real computeFractureEnergyByNode();
/* ------------------------------------------------------------------------ */
/* Methods for static */
/* ------------------------------------------------------------------------ */
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:
UInt 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;
UInt getNbData(const Array<UInt> & indexes,
const SynchronizationTag & tag) const override;
void packData(CommunicationBuffer & buffer, const Array<UInt> & dofs,
const SynchronizationTag & tag) const override;
void unpackData(CommunicationBuffer & buffer, const Array<UInt> & dofs,
const SynchronizationTag & tag) override;
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/// return the dimension of the system space
AKANTU_GET_MACRO(SpatialDimension, Model::spatial_dimension, UInt);
/// return the damage array
AKANTU_GET_MACRO(Damage, *damage, Array<Real> &);
/// get the ContactMechanics::internal_force vector (internal forces)
AKANTU_GET_MACRO(InternalForce, *internal_force, Array<Real> &);
/// get the ContactMechanicsModel::external_force vector (external forces)
AKANTU_GET_MACRO(ExternalForce, *external_force, Array<Real> &);
/// get the ContactMechanicsModel::force vector (external forces)
Array<Real> & getForce() {
AKANTU_DEBUG_WARNING("getForce was maintained for backward compatibility, "
"use getExternalForce instead");
return *external_force;
}
///
//AKANTU_GET_MACRO_NOT_CONST(Strain, strain_on_qpoints,
// ElementTypeMapArray<Real> &);
/// get the PhaseFieldModel::blocked_dofs vector
AKANTU_GET_MACRO(BlockedDOFs, *blocked_dofs, Array<bool> &);
/// 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(UInt mat_index);
/// get a particular phasefield (by phasefield index)
inline const PhaseField & getPhaseField(UInt 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 UInt getPhaseFieldIndex(const std::string & name) const;
/// give the number of phasefields
inline UInt getNbPhaseFields() const { return phasefields.size(); }
/// give the phasefield internal index from its id
Int getInternalIndexFromID(const ID & id) const;
AKANTU_GET_MACRO(PhaseFieldByElement, phasefield_index,
const ElementTypeMapArray<UInt> &);
AKANTU_GET_MACRO(PhaseFieldLocalNumbering, phasefield_local_numbering,
const ElementTypeMapArray<UInt> &);
/// vectors containing local material element index for each global element
/// index
AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(PhaseFieldByElement, phasefield_index,
UInt);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE(PhaseFieldByElement, phasefield_index, UInt);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(PhaseFieldLocalNumbering,
phasefield_local_numbering, UInt);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE(PhaseFieldLocalNumbering,
phasefield_local_numbering, UInt);
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,
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);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
/// number of iterations
UInt n_iter;
/// damage array
Array<Real> * damage{nullptr};
/// damage array at the previous time step (used in finite deformation)
Array<Real> * previous_damage{nullptr};
/// increment of damage
Array<Real> * damage_increment{nullptr};
/// damage field on quadrature points
//ElementTypeMapArray<Real> damage_on_qpoints;
/// critical local damage energy on quadrature points for \mathbf{B}^t *
/// \mathbf{W} * \mathbf{B}@f$
//ElementTypeMapArray<Real> damage_energy_on_qpoints;
/// critical local damage energy density on quadrature points for
/// \mathbf{N}^t * \mathbf{w} * \mathbf{N}@f$
//ElementTypeMapArray<Real> damage_energy_density_on_qpoints;
/// the speed of change in damage
//ElementTypeMapArray<Real> damage_gradient;
/// strain on quadrature points
//ElementTypeMapArray<Real> strain_on_qpoints;
/// driving force on quadrature points for internal forces
//ElementTypeMapArray<Real> driving_force_on_qpoints;
/// vector \phi plus on quadrature points
//ElementTypeMapArray<Real> phi_history_on_qpoints;
/// boundary vector
Array<bool> * blocked_dofs{nullptr};
/// external force vector
Array<Real> * external_force{nullptr};
/// residuals array
Array<Real> * internal_force{nullptr};
/// Arrays containing the phasefield index for each element
ElementTypeMapArray<UInt> phasefield_index;
/// Arrays containing the position in the element filter of the phasefield
/// (phasefield's local numbering)
ElementTypeMapArray<UInt> 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, UInt> phasefields_names_to_id;
/// list of used phasefields
std::vector<std::unique_ptr<PhaseField>> phasefields;
/// tells if the phasefield are instantiated
bool are_phasefields_instantiated{false};
};
} // namespace akantu
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#include "phasefield.hh"
#include "parser.hh"
#include "phase_field_model_inline_impl.cc"
/* -------------------------------------------------------------------------- */
#endif
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