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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 "fe_engine.hh"
			#include "model.hh"
			#include "non_local_manager.hh"
			#include "solid_mechanics_model_event_handler.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 {

			struct SolidMechanicsModelOptions : public ModelOptions {
			explicit SolidMechanicsModelOptions(
			AnalysisMethod analysis_method = _explicit_lumped_mass);

			template <typename... pack>
			SolidMechanicsModelOptions(use_named_args_t, pack &&... _pack);
			};

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

			~SolidMechanicsModel() override;

			/* ------------------------------------------------------------------------ */
			/* 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();

			protected:
			/// initialize all internal arrays for materials
			virtual void initMaterials();

			/// initialize the model
			void initModel() override;

			/// function to print the containt of the class
			void printself(std::ostream & stream, int indent = 0) const override;

			/// get some default values for derived classes
			std::tuple<ID, TimeStepSolverType>
			getDefaultSolverID(const AnalysisMethod & method) 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 = nullptr);

			/* ------------------------------------------------------------------------ */
			/* 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 initializeNonLocal() override;

			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:
			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> & dofs,
			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;

			protected:
			void
			splitElementByMaterial(const Array<Element> & elements,
			std::vector<Array<Element>> & elements_per_mat) const;

			template <typename Operation>
			void splitByMaterial(const Array<Element> & elements, Operation && op) 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);

			/// 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{nullptr};

			/// increment of displacement
			Array<Real> * displacement_increment{nullptr};

			/// lumped mass array
			Array<Real> * mass{nullptr};

			/// 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{nullptr};

			/// accelerations array
			Array<Real> * acceleration{nullptr};

			/// accelerations array
			// Array<Real> * increment_acceleration;

			/// external forces array
			Array<Real> * external_force{nullptr};

			/// internal forces array
			Array<Real> * internal_force{nullptr};

			/// array specifing if a degree of freedom is blocked or not
			Array<bool> * blocked_dofs{nullptr};

			/// array of current position used during update residual
			Array<Real> * current_position{nullptr};
			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;

			/// 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 {
			using FromStress = FromHigherDim;
			using FromTraction = FromSameDim;
			} // namespace Neumann
			} // namespace BC

			} // namespace akantu

			/* -------------------------------------------------------------------------- */
			/* inline functions */
			/* -------------------------------------------------------------------------- */
			#include "material.hh"
			#include "parser.hh"

			#include "solid_mechanics_model_inline_impl.cc"
			#include "solid_mechanics_model_tmpl.hh"
			/* -------------------------------------------------------------------------- */

			#endif /* __AKANTU_SOLID_MECHANICS_MODEL_HH__ */

rAKA/src/model/solid_mechanics/solid_mechanics_model.hh98405b386e09bugfixes/ci_deploy_fixes

solid_mechanics_model.hhView Options

rAKA/src/model/solid_mechanics/solid_mechanics_model.hh
98405b386e09bugfixes/ci_deploy_fixes

solid_mechanics_model.hh
View Options