diff --git a/src/model/structural_mechanics/structural_mechanics_model.hh b/src/model/structural_mechanics/structural_mechanics_model.hh index 464973f44..3242ea866 100644 --- a/src/model/structural_mechanics/structural_mechanics_model.hh +++ b/src/model/structural_mechanics/structural_mechanics_model.hh @@ -1,305 +1,323 @@ /** * @file structural_mechanics_model.hh * * @author Fabian Barras * @author Lucas Frerot * @author Sébastien Hartmann * @author Nicolas Richart * @author Damien Spielmann * * @date creation: Fri Jul 15 2011 * @date last modification: Tue Feb 20 2018 * * @brief Particular implementation of the structural elements in the * StructuralMechanicsModel * * * 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 . * */ /* -------------------------------------------------------------------------- */ #include "aka_named_argument.hh" #include "boundary_condition.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 class IntegratorGauss; template 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; StructuralMechanicsModel(Mesh & mesh, UInt dim = _all_dimensions, const ID & id = "structural_mechanics_model", const MemoryID & memory_id = 0); ~StructuralMechanicsModel() override; /// Init full model void initFullImpl(const ModelOptions & options) override; /// Init boundary FEEngine void initFEEngineBoundary() override; /* ------------------------------------------------------------------------ */ /* Virtual methods from SolverCallback */ /* ------------------------------------------------------------------------ */ /// get the type of matrix needed MatrixType getMatrixType(const ID & matrix_id) override; /// callback to assemble a Matrix void assembleMatrix(const ID & matrix_id) override; /// callback to assemble a lumped Matrix void assembleLumpedMatrix(const ID & matrix_id) override; /// callback to assemble the residual (rhs) void assembleResidual() override; void assembleResidual(const ID & residual_part) override; bool canSplitResidual() override { return false; } /* ------------------------------------------------------------------------ */ /* Virtual methods from Model */ /* ------------------------------------------------------------------------ */ protected: /// get some default values for derived classes std::tuple getDefaultSolverID(const AnalysisMethod & method) override; ModelSolverOptions getDefaultSolverOptions(const TimeStepSolverType & type) const override; static UInt getNbDegreeOfFreedom(ElementType type); /* ------------------------------------------------------------------------ */ /* Methods */ /* ------------------------------------------------------------------------ */ void initSolver(TimeStepSolverType time_step_solver_type, NonLinearSolverType non_linear_solver_type) override; /// initialize the model void initModel() override; /// compute the stresses per elements void computeStresses(); /// compute the nodal forces void assembleInternalForce(); /// compute the nodal forces for an element type void assembleInternalForce(ElementType type, GhostType gt); /// assemble the stiffness matrix void assembleStiffnessMatrix(); /// assemble the mass matrix for consistent mass resolutions void assembleMassMatrix(); protected: /// assemble the mass matrix for either _ghost or _not_ghost elements void assembleMassMatrix(GhostType ghost_type); /// computes rho void computeRho(Array & rho, ElementType type, GhostType ghost_type); /// finish the computation of residual to solve in increment void updateResidualInternal(); /* ------------------------------------------------------------------------ */ private: template void assembleStiffnessMatrix(); template void computeStressOnQuad(); template void computeTangentModuli(Array & tangent_moduli); /* ------------------------------------------------------------------------ */ /* Dumpable interface */ /* ------------------------------------------------------------------------ */ public: std::shared_ptr createNodalFieldReal(const std::string & field_name, const std::string & group_name, bool padding_flag) override; std::shared_ptr createNodalFieldBool(const std::string & field_name, const std::string & group_name, bool padding_flag) override; std::shared_ptr createElementalField(const std::string & field_name, const std::string & group_name, bool padding_flag, UInt spatial_dimension, ElementKind kind) override; /* ------------------------------------------------------------------------ */ /* 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 &); /// get the StructuralMechanicsModel::velocity vector AKANTU_GET_MACRO(Velocity, *velocity, Array &); /// get the StructuralMechanicsModel::acceleration vector, updated /// by /// StructuralMechanicsModel::updateAcceleration AKANTU_GET_MACRO(Acceleration, *acceleration, Array &); /// get the StructuralMechanicsModel::external_force vector AKANTU_GET_MACRO(ExternalForce, *external_force, Array &); /// get the StructuralMechanicsModel::internal_force vector (boundary forces) AKANTU_GET_MACRO(InternalForce, *internal_force, Array &); /// get the StructuralMechanicsModel::boundary vector AKANTU_GET_MACRO(BlockedDOFs, *blocked_dofs, Array &); 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 This function adds the `StructuralMaterial` material to the list of materials managed by *this. + * + * It is important that this function might invalidate all references to structural materials, + * that were previously optained by `getMaterial()`. + * + * \param material The new material. + * + * \return The ID of the material that was added. + * + * \note The return type is is new. + */ + UInt + addMaterial( + StructuralMaterial & material) + { + const auto matID = materials.size(); //ID of the material + materials.push_back(material); //add the material, might cause reallocation. + AKANTU_DEBUG_ASSERT(matID <= (::std::size_t)::std::numeric_limits::max(), "Can not represent the material ID"); + return UInt(matID); } 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 void computeForcesByGlobalTractionArray(const Array & tractions); /// Compute Linear load function set in local axis template void computeForcesByLocalTractionArray(const Array & tractions); /// compute force vector from a function(x,y,momentum) that describe stresses // template // 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 * displacement_rotation{nullptr}; /// velocities array Array * velocity{nullptr}; /// accelerations array Array * acceleration{nullptr}; /// forces array Array * internal_force{nullptr}; /// forces array Array * external_force{nullptr}; /// lumped mass array Array * mass{nullptr}; /// boundaries array Array * blocked_dofs{nullptr}; /// stress array ElementTypeMapArray stress; ElementTypeMapArray element_material; // Define sets of beams ElementTypeMapArray set_ID; /// number of degre of freedom UInt nb_degree_of_freedom; // Rotation matrix ElementTypeMapArray 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; bool need_to_reassemble_mass{true}; bool need_to_reassemble_stiffness{true}; /* ------------------------------------------------------------------------ */ std::vector materials; }; } // namespace akantu #include "structural_mechanics_model_inline_impl.hh" #endif /* AKANTU_STRUCTURAL_MECHANICS_MODEL_HH_ */