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coupler_solid_contact.hh
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			/**
			* @file coupler_solid_contact_explicit.hh
			*
			* @author Mohit Pundir <mohit.pundir@epfl.ch>
			*
			* @date creation: Thu Jan 17 2019
			* @date last modification: Thu Jan 17 2019
			*
			* @brief class for coupling of solid mechanics and conatct mechanics
			* model in explicit
			*
			* @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 "contact_mechanics_model.hh"
			#include "data_accessor.hh"
			#include "fe_engine.hh"
			#include "model.hh"
			#include "solid_mechanics_model.hh"
			#include "sparse_matrix.hh"
			#include "time_step_solver.hh"
			/* -------------------------------------------------------------------------- */

			#ifndef __AKANTU_COUPLER_SOLID_CONTACT_HH__
			#define __AKANTU_COUPLER_SOLID_CONTACT_HH__

			/* ------------------------------------------------------------------------ */
			/* Coupling : Solid Mechanics / Contact Mechanics */
			/* ------------------------------------------------------------------------ */
			namespace akantu {
			template <ElementKind kind, class IntegrationOrderFunctor>
			class IntegratorGauss;
			template <ElementKind kind> class ShapeLagrange;
			class DOFManager;
			} // namespace akantu

			/* -------------------------------------------------------------------------- */

			namespace akantu {

			/* -------------------------------------------------------------------------- */
			class CouplerSolidContact : public Model,
			public DataAccessor<Element>,
			public DataAccessor<UInt>,
			public BoundaryCondition<CouplerSolidContact> {

			/* ------------------------------------------------------------------------ */
			/* Constructor/Destructor */
			/* ------------------------------------------------------------------------ */

			using MyFEEngineType = FEEngineTemplate<IntegratorGauss, ShapeLagrange>;

			public:
			CouplerSolidContact(
			Mesh & mesh, UInt spatial_dimension = _all_dimensions,
			const ID & id = "coupler_solid_contact", std::shared_ptr<DOFManager> dof_manager = nullptr,
			const ModelType model_type = ModelType::_coupler_solid_contact);

			~CouplerSolidContact() override;

			/* ------------------------------------------------------------------------ */
			/* Methods */
			/* ------------------------------------------------------------------------ */
			protected:
			/// initialize completely the model
			void initFullImpl(const ModelOptions & options) override;

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

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

			/* ------------------------------------------------------------------------ */
			/* Solver Interface */
			/* ------------------------------------------------------------------------ */
			public:
			/// assembles the contact stiffness matrix
			virtual void assembleStiffnessMatrix();

			/// assembles the contant internal forces
			virtual void assembleInternalForces();

			protected:
			/// callback for the solver, this adds f_{ext} - f_{int} to the residual
			void assembleResidual() override;

			/// callback for the solver, this adds f_{ext} or f_{int} to the residual
			void assembleResidual(const ID & residual_part) override;
			bool canSplitResidual() override { return true; }

			/// 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(bool converged = true) override;

			/// callback for the model to instantiate the matricess when needed
			void initSolver(TimeStepSolverType, NonLinearSolverType) override;

			/* ------------------------------------------------------------------------ */
			/* Mass matrix for solid mechanics model */
			/* ------------------------------------------------------------------------ */
			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);

			protected:
			/* --------------------------------------------------------------------------
			*/
			TimeStepSolverType getDefaultSolverType() const override;
			/* --------------------------------------------------------------------------
			*/
			ModelSolverOptions
			getDefaultSolverOptions(const TimeStepSolverType & type) const;

			public:
			bool isDefaultSolverExplicit() { return method == _explicit_dynamic_contact; }

			/* ------------------------------------------------------------------------ */
			public:
			// DataAccessor<Element>
			UInt getNbData(const Array<Element> &,
			const SynchronizationTag &) const override {
			return 0;
			}
			void packData(CommunicationBuffer &, const Array<Element> &,
			const SynchronizationTag &) const override {}
			void unpackData(CommunicationBuffer &, const Array<Element> &,
			const SynchronizationTag &) override {}

			// DataAccessor<UInt> nodes
			UInt getNbData(const Array<UInt> &,
			const SynchronizationTag &) const override {
			return 0;
			}
			void packData(CommunicationBuffer &, const Array<UInt> &,
			const SynchronizationTag &) const override {}
			void unpackData(CommunicationBuffer &, const Array<UInt> &,
			const SynchronizationTag &) override {}

			/* ------------------------------------------------------------------------ */
			/* Accessors */
			/* ------------------------------------------------------------------------ */
			public:
			FEEngine & getFEEngineBoundary(const ID & name = "") override;

			/* ------------------------------------------------------------------------ */
			/* Accessors */
			/* ------------------------------------------------------------------------ */
			public:
			/// return the dimension of the system space
			AKANTU_GET_MACRO(SpatialDimension, Model::spatial_dimension, UInt);

			/// get the ContactMechanicsModel::displacement vector
			AKANTU_GET_MACRO(Displacement, *displacement, Array<Real> &);

			/// get the ContactMechanicsModel::increment vector \warn only consistent
			/// if ContactMechanicsModel::setIncrementFlagOn has been called before
			AKANTU_GET_MACRO(Increment, *displacement_increment, 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;
			}

			/// get the solid mechanics model
			AKANTU_GET_MACRO(SolidMechanicsModel, *solid, SolidMechanicsModel &);

			/// get the contact mechanics model
			AKANTU_GET_MACRO(ContactMechanicsModel, *contact, ContactMechanicsModel &);

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

			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);

			/* ------------------------------------------------------------------------ */
			/* Members */
			/* ------------------------------------------------------------------------ */
			private:
			/// solid mechanics model
			SolidMechanicsModel * solid{nullptr};

			/// contact mechanics model
			ContactMechanicsModel * contact{nullptr};

			///
			Array<Real> * displacement{nullptr};

			///
			Array<Real> * displacement_increment{nullptr};

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

			bool search_for_contact;

			UInt step;
			};

			} // namespace akantu

			#endif /* __COUPLER_SOLID_CONTACT_HH__ */

rAKA/src/model/model_couplers/coupler_solid_contact.hhe1527e69fc3cfeatures/structural_mec…

coupler_solid_contact.hhView Options

rAKA/src/model/model_couplers/coupler_solid_contact.hh
e1527e69fc3cfeatures/structural_mec…

coupler_solid_contact.hh
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