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structural_mechanics_model.hh
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			/**
			* @file structural_mechanics_model.hh
			*
			* @author Fabian Barras <fabian.barras@epfl.ch>
			* @author Sébastien Hartmann <sebastien.hartmann@epfl.ch>
			* @author Nicolas Richart <nicolas.richart@epfl.ch>
			* @author Damien Spielmann <damien.spielmann@epfl.ch>
			*
			* @date creation: Fri Jul 15 2011
			* @date last modification: Thu Jan 21 2016
			*
			* @brief Particular implementation of the structural elements in the
			* StructuralMechanicsModel
			*
			* @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 "aka_named_argument.hh"
			#include "model.hh"
			/* -------------------------------------------------------------------------- */

			#ifndef __AKANTU_STRUCTURAL_MECHANICS_MODEL_HH__
			#define __AKANTU_STRUCTURAL_MECHANICS_MODEL_HH__

			/* -------------------------------------------------------------------------- */
			namespace akantu {
			class Material;
			class MaterialSelector;
			class DumperIOHelper;
			class NonLocalManager;
			template <ElementKind kind, class IntegrationOrderFunctor>
			class IntegratorGauss;
			template <ElementKind kind> class ShapeStructural;
			} // namespace akantu

			namespace akantu {

			struct StructuralMaterial {
			Real E{0};
			Real A{1};
			Real I{0};
			Real Iz{0};
			Real Iy{0};
			Real GJ{0};
			Real rho{0};
			Real t{0};
			Real nu{0};
			};

			class StructuralMechanicsModel : public Model {
			/* ------------------------------------------------------------------------ */
			/* Constructors/Destructors */
			/* ------------------------------------------------------------------------ */
			public:
			using MyFEEngineType =
			FEEngineTemplate<IntegratorGauss, ShapeStructural, _ek_structural>;

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

			virtual ~StructuralMechanicsModel();

			/* ------------------------------------------------------------------------ */
			/* Methods */
			/* ------------------------------------------------------------------------ */
			public:
			void initSolver(TimeStepSolverType, NonLinearSolverType);

			/// initialize the model
			void initModel();

			/// compute the stresses per elements
			void computeStresses();

			/// assemble the stiffness matrix
			void assembleStiffnessMatrix();

			/// assemble the mass matrix for consistent mass resolutions
			void assembleMass();

			/// update the residual vector
			void updateResidual();

			void computeRotationMatrix(const ElementType & type);

			protected:
			/// compute Rotation Matrices
			template <const ElementType type>
			void computeRotationMatrix(__attribute__((unused)) Array<Real> & rotations) {}

			/* ------------------------------------------------------------------------ */
			/* Mass (structural_mechanics_model_mass.cc) */
			/* ------------------------------------------------------------------------ */

			/// assemble the mass matrix for either _ghost or _not_ghost elements
			void assembleMass(GhostType ghost_type);

			/// computes rho
			void computeRho(Array<Real> & rho, ElementType type, GhostType ghost_type);

			/// finish the computation of residual to solve in increment
			void updateResidualInternal();

			/* ------------------------------------------------------------------------ */
			private:
			template <ElementType type> void assembleStiffnessMatrix();
			template <ElementType type> void assembleMass();
			template <ElementType type> void computeStressOnQuad();
			template <ElementType type>
			void computeTangentModuli(Array<Real> & tangent_moduli);

			/* ------------------------------------------------------------------------ */
			/* Dumpable interface */
			/* ------------------------------------------------------------------------ */
			public:
			virtual dumper::Field * createNodalFieldReal(const std::string & field_name,
			const std::string & group_name,
			bool padding_flag);

			virtual dumper::Field * createNodalFieldBool(const std::string & field_name,
			const std::string & group_name,
			bool padding_flag);

			virtual dumper::Field *
			createElementalField(const std::string & field_name,
			const std::string & group_name, bool padding_flag,
			const ElementKind & kind,
			const std::string & fe_engine_id = "");

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

			/// return the dimension of the system space
			AKANTU_GET_MACRO(SpatialDimension, spatial_dimension, UInt);

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

			/// get the StructuralMechanicsModel::velocity vector
			AKANTU_GET_MACRO(Velocity, *velocity, Array<Real> &);

			/// get the StructuralMechanicsModel::acceleration vector, updated
			/// by
			/// StructuralMechanicsModel::updateAcceleration
			AKANTU_GET_MACRO(Acceleration, *acceleration, Array<Real> &);

			/// get the StructuralMechanicsModel::external_force vector
			AKANTU_GET_MACRO(ExternalForce, *external_force_momentum, Array<Real> &);

			/// get the StructuralMechanicsModel::internal_force vector (boundary forces)
			AKANTU_GET_MACRO(InternalForce, *internal_force_momentum, Array<Real> &);

			/// get the StructuralMechanicsModel::boundary vector
			AKANTU_GET_MACRO(BlockedDOFs, *blocked_dofs, Array<bool> &);

			AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(RotationMatrix, rotation_matrix, Real);

			AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(Stress, stress, Real);

			AKANTU_GET_MACRO_BY_ELEMENT_TYPE(ElementMaterial, element_material, UInt);

			AKANTU_GET_MACRO_BY_ELEMENT_TYPE(Set_ID, set_ID, UInt);

			void addMaterial(StructuralMaterial & material) {
			materials.push_back(material);
			}

			/**
			* @brief set the StructuralMechanicsModel::increment_flag to on, the
			* activate the
			* update of the StructuralMechanicsModel::increment vector
			*/
			void setIncrementFlagOn();

			const StructuralMaterial & getMaterial(const Element & element) const {
			return materials[element_material(element)];
			}

			/* ------------------------------------------------------------------------ */
			/* Boundaries (structural_mechanics_model_boundary.cc) */
			/* ------------------------------------------------------------------------ */
			public:
			/// Compute Linear load function set in global axis
			template <ElementType type>
			void computeForcesByGlobalTractionArray(const Array<Real> & tractions);

			/// Compute Linear load function set in local axis
			template <ElementType type>
			void computeForcesByLocalTractionArray(const Array<Real> & tractions);

			/// compute force vector from a function(x,y,momentum) that describe stresses
			// template <ElementType type>
			// void computeForcesFromFunction(BoundaryFunction in_function,
			// BoundaryFunctionType function_type);

			/* ------------------------------------------------------------------------ */
			/* Class Members */
			/* ------------------------------------------------------------------------ */
			private:
			/// time step
			Real time_step;

			/// conversion coefficient form force/mass to acceleration
			Real f_m2a;

			/// displacements array
			Array<Real> * displacement_rotation{nullptr};

			/// velocities array
			Array<Real> * velocity{nullptr};

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

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

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

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

			/// boundaries array
			Array<bool> * blocked_dofs{nullptr};

			/// stress array
			ElementTypeMapArray<Real> stress;

			ElementTypeMapArray<UInt> element_material;

			// Define sets of beams
			ElementTypeMapArray<UInt> set_ID;

			/// number of degre of freedom
			UInt nb_degree_of_freedom;

			// Rotation matrix
			ElementTypeMapArray<Real> rotation_matrix;

			/// analysis method check the list in akantu::AnalysisMethod
			AnalysisMethod method;

			/// flag defining if the increment must be computed or not
			bool increment_flag;

			/* ------------------------------------------------------------------------ */
			std::vector<StructuralMaterial> materials;
			};

			} // namespace akantu

			#endif /* __AKANTU_STRUCTURAL_MECHANICS_MODEL_HH__ */

rAKA/src/model/structural_mechanics/structural_mechanics_model.hhf3ea49a03763bugfixes/macos-clang…

structural_mechanics_model.hhView Options

rAKA/src/model/structural_mechanics/structural_mechanics_model.hh
f3ea49a03763bugfixes/macos-clang…

structural_mechanics_model.hh
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