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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 class for Phase Field problem
			*
			* @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 dim = _all_dimensions,
			const ID & id = "phase_field_model",
			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 override;

			/// 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);

			/* ------------------------------------------------------------------------ */
			/* 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:
			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 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(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,
			UInt spatial_dimension, ElementKind kind) override;

			/* ------------------------------------------------------------------------ */
			/* Class Members */
			/* ------------------------------------------------------------------------ */
			private:
			/// number of iterations
			UInt 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<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 "parser.hh"
			#include "phasefield.hh"

			#include "phase_field_model_inline_impl.cc"
			/* -------------------------------------------------------------------------- */

			#endif

rAKA/src/model/phase_field/phase_field_model.hhb75e7eac6591bugfixes/39-the-python…

phase_field_model.hhView Options

rAKA/src/model/phase_field/phase_field_model.hh
b75e7eac6591bugfixes/39-the-python…

phase_field_model.hh
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