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solid_mechanics_model_cohesive.hh
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			/**
			* @file solid_mechanics_model_cohesive.hh
			*
			* @author Nicolas Richart <nicolas.richart@epfl.ch>
			* @author Marco Vocialta <marco.vocialta@epfl.ch>
			*
			* @date creation: Tue May 08 2012
			* @date last modification: Mon Dec 14 2015
			*
			* @brief Solid mechanics model for cohesive elements
			*
			* @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 "cohesive_element_inserter.hh"
			#include "material_selector_cohesive.hh"
			#include "random_internal_field.hh" // included to have the specialization of
			#include "solid_mechanics_model.hh"
			#include "solid_mechanics_model_event_handler.hh"
			// ParameterTyped::operator Real()
			/* -------------------------------------------------------------------------- */

			#ifndef __AKANTU_SOLID_MECHANICS_MODEL_COHESIVE_HH__
			#define __AKANTU_SOLID_MECHANICS_MODEL_COHESIVE_HH__

			/* -------------------------------------------------------------------------- */
			namespace akantu {
			class FacetSynchronizer;
			class FacetStressSynchronizer;
			class ElementSynchronizer;
			} // namespace akantu

			namespace akantu {

			/* -------------------------------------------------------------------------- */
			struct FacetsCohesiveIntegrationOrderFunctor {
			template <ElementType type, ElementType cohesive_type =
			CohesiveFacetProperty<type>::cohesive_type>
			struct _helper {
			static constexpr int get() {
			return ElementClassProperty<cohesive_type>::polynomial_degree;
			}
			};

			template <ElementType type> struct _helper<type, _not_defined> {
			static constexpr int get() {
			return ElementClassProperty<type>::polynomial_degree;
			}
			};

			template <ElementType type> static inline constexpr int getOrder() {
			return _helper<type>::get();
			}
			};

			namespace {
			DECLARE_NAMED_ARGUMENT(is_extrinsic);
			}
			/* -------------------------------------------------------------------------- */
			struct SolidMechanicsModelCohesiveOptions : public SolidMechanicsModelOptions {
			SolidMechanicsModelCohesiveOptions(
			AnalysisMethod analysis_method = _explicit_lumped_mass,
			bool extrinsic = false)
			: SolidMechanicsModelOptions(analysis_method), extrinsic(extrinsic) {}

			template <typename... pack>
			SolidMechanicsModelCohesiveOptions(use_named_args_t, pack &&... _pack)
			: SolidMechanicsModelCohesiveOptions(
			OPTIONAL_NAMED_ARG(analysis_method, _explicit_lumped_mass),
			OPTIONAL_NAMED_ARG(is_extrinsic, false)) {}

			bool extrinsic{false};
			};

			/* -------------------------------------------------------------------------- */
			/* Solid Mechanics Model for Cohesive elements */
			/* -------------------------------------------------------------------------- */

			class SolidMechanicsModelCohesive : public SolidMechanicsModel,
			public SolidMechanicsModelEventHandler {
			/* ------------------------------------------------------------------------ */
			/* Constructors/Destructors */
			/* ------------------------------------------------------------------------ */
			public:
			class NewCohesiveNodesEvent : public NewNodesEvent {
			public:
			AKANTU_GET_MACRO_NOT_CONST(OldNodesList, old_nodes, Array<UInt> &);
			AKANTU_GET_MACRO(OldNodesList, old_nodes, const Array<UInt> &);

			protected:
			Array<UInt> old_nodes;
			};

			typedef FEEngineTemplate<IntegratorGauss, ShapeLagrange, _ek_cohesive>
			MyFEEngineCohesiveType;
			typedef FEEngineTemplate<IntegratorGauss, ShapeLagrange, _ek_regular,
			FacetsCohesiveIntegrationOrderFunctor>
			MyFEEngineFacetType;

			SolidMechanicsModelCohesive(Mesh & mesh,
			UInt spatial_dimension = _all_dimensions,
			const ID & id = "solid_mechanics_model_cohesive",
			const MemoryID & memory_id = 0);

			~SolidMechanicsModelCohesive() override;

			/* ------------------------------------------------------------------------ */
			/* Methods */
			/* ------------------------------------------------------------------------ */
			public:
			/// set the value of the time step
			void setTimeStep(Real time_step, const ID & solver_id = "") override;

			/// assemble the residual for the explicit scheme
			void assembleInternalForces() override;

			/// function to perform a stress check on each facet and insert
			/// cohesive elements if needed (returns the number of new cohesive
			/// elements)
			UInt checkCohesiveStress();

			/// interpolate stress on facets
			void interpolateStress();

			/// initialize the cohesive model
			void initFull(const ModelOptions & options =
			SolidMechanicsModelCohesiveOptions()) override;

			template <typename P, typename T, typename... pack>
			void initFull(named_argument::param_t<P, T &&> && first, pack &&... _pack) {
			this->initFull(
			SolidMechanicsModelCohesiveOptions{use_named_args, first, _pack...});
			}

			/// limit the cohesive element insertion to a given area
			void limitInsertion(BC::Axis axis, Real first_limit, Real second_limit);

			/// update automatic insertion after a change in the element inserter
			void updateAutomaticInsertion();

			/// insert intrinsic cohesive elements
			void insertIntrinsicElements();

			// template <SolveConvergenceMethod cmethod, SolveConvergenceCriteria
			// criteria> bool solveStepCohesive(Real tolerance, Real & error, UInt
			// max_iteration = 100,
			// bool load_reduction = false,
			// Real tol_increase_factor = 1.0,
			// bool do_not_factorize = false);

			protected:
			/// initialize stress interpolation
			void initStressInterpolation();

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

			/// initialize cohesive material
			void initMaterials() override;

			/// init facet filters for cohesive materials
			void initFacetFilter();

			// synchronize facets physical data before insertion along physical surfaces
			void synchronizeInsertionData();

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

			private:
			/// initialize cohesive material with intrinsic insertion (by default)
			void initIntrinsicCohesiveMaterials(UInt cohesive_index);

			/// initialize cohesive material with intrinsic insertion (if physical
			/// surfaces are precised)
			void initIntrinsicCohesiveMaterials(std::string cohesive_surfaces);

			/// insert cohesive elements along a given physical surface of the mesh
			void insertElementsFromMeshData(std::string physical_name);

			/// initialize completely the model for extrinsic elements
			void initAutomaticInsertion();

			/// compute facets' normals
			void computeNormals();

			/// resize facet stress
			void resizeFacetStress();

			/// init facets_check array
			void initFacetsCheck();

			/* ------------------------------------------------------------------------ */
			/* Mesh Event Handler inherited members */
			/* ------------------------------------------------------------------------ */

			protected:
			void onNodesAdded(const Array<UInt> & nodes_list,
			const NewNodesEvent & event) override;
			void onElementsAdded(const Array<Element> & nodes_list,
			const NewElementsEvent & event) override;

			/* ------------------------------------------------------------------------ */
			/* SolidMechanicsModelEventHandler inherited members */
			/* ------------------------------------------------------------------------ */
			public:
			void onEndSolveStep(const AnalysisMethod & method) override;

			/* ------------------------------------------------------------------------ */
			/* Dumpable interface */
			/* ------------------------------------------------------------------------ */
			public:
			void onDump() override;

			void addDumpGroupFieldToDumper(const std::string & dumper_name,
			const std::string & field_id,
			const std::string & group_name,
			const ElementKind & element_kind,
			bool padding_flag) override;

			public:
			/// register the tags associated with the parallel synchronizer for
			/// cohesive elements
			// void initParallel(MeshPartition * partition,
			// DataAccessor * data_accessor = NULL,
			// bool extrinsic = false);

			protected:
			void synchronizeGhostFacetsConnectivity();

			void updateCohesiveSynchronizers();

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

			protected:
			UInt getNbQuadsForFacetCheck(const Array<Element> & elements) const;

			template <typename T>
			void packFacetStressDataHelper(const ElementTypeMapArray<T> & data_to_pack,
			CommunicationBuffer & buffer,
			const Array<Element> & elements) const;

			template <typename T>
			void unpackFacetStressDataHelper(ElementTypeMapArray<T> & data_to_unpack,
			CommunicationBuffer & buffer,
			const Array<Element> & elements) const;

			template <typename T, bool pack_helper>
			void packUnpackFacetStressDataHelper(ElementTypeMapArray<T> & data_to_pack,
			CommunicationBuffer & buffer,
			const Array<Element> & element) const;

			/* ------------------------------------------------------------------------ */
			/* Accessors */
			/* ------------------------------------------------------------------------ */
			public:
			/// get facet mesh
			AKANTU_GET_MACRO(MeshFacets, mesh.getMeshFacets(), const Mesh &);

			/// get stress on facets vector
			AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(StressOnFacets, facet_stress, Real);

			/// get facet material
			AKANTU_GET_MACRO_BY_ELEMENT_TYPE(FacetMaterial, facet_material, UInt);

			/// get facet material
			AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(FacetMaterial, facet_material, UInt);

			/// get facet material
			AKANTU_GET_MACRO(FacetMaterial, facet_material,
			const ElementTypeMapArray<UInt> &);

			/// @todo THIS HAS TO BE CHANGED
			AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(Tangents, tangents, Real);

			/// get element inserter
			AKANTU_GET_MACRO_NOT_CONST(ElementInserter, *inserter,
			CohesiveElementInserter &);

			/// get is_extrinsic boolean
			AKANTU_GET_MACRO(IsExtrinsic, is_extrinsic, bool);

			/// get cohesive elements synchronizer
			AKANTU_GET_MACRO(CohesiveSynchronizer, *cohesive_synchronizer,
			const ElementSynchronizer &);

			/* ------------------------------------------------------------------------ */
			/* Class Members */
			/* ------------------------------------------------------------------------ */
			private:
			/// @todo store tangents when normals are computed:
			ElementTypeMapArray<Real> tangents;

			/// stress on facets on the two sides by quadrature point
			ElementTypeMapArray<Real> facet_stress;

			/// material to use if a cohesive element is created on a facet
			ElementTypeMapArray<UInt> facet_material;

			bool is_extrinsic;

			/// cohesive element inserter
			std::unique_ptr<CohesiveElementInserter> inserter;

			/// facet stress synchronizer
			std::unique_ptr<ElementSynchronizer> facet_stress_synchronizer;

			/// cohesive elements synchronizer
			std::unique_ptr<ElementSynchronizer> cohesive_synchronizer;

			/// global connectivity
			ElementTypeMapArray<UInt> * global_connectivity;
			};

			} // namespace akantu

			#include "solid_mechanics_model_cohesive_inline_impl.cc"
			#include "solid_mechanics_model_cohesive_parallel_inline_impl.cc"

			#endif /* __AKANTU_SOLID_MECHANICS_MODEL_COHESIVE_HH__ */

rAKA/src/model/solid_mechanics/solid_mechanics_model_cohesive/solid_mechanics_model_cohesive.hh3cb848d814e7bugfixes/44-failed…

solid_mechanics_model_cohesive.hhView Options

rAKA/src/model/solid_mechanics/solid_mechanics_model_cohesive/solid_mechanics_model_cohesive.hh
3cb848d814e7bugfixes/44-failed…

solid_mechanics_model_cohesive.hh
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