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rAKA/src/model/dof_manager_default.hh
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dof_manager_default.hh
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/**
* @file dof_manager_default.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Tue Aug 18 2015
* @date last modification: Wed Jan 31 2018
*
* @brief Default implementation of the dof manager
*
* @section LICENSE
*
* Copyright (©) 2015-2018 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 "dof_manager.hh"
/* -------------------------------------------------------------------------- */
#include <functional>
#include <unordered_map>
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_DOF_MANAGER_DEFAULT_HH__
#define __AKANTU_DOF_MANAGER_DEFAULT_HH__
namespace akantu {
class SparseMatrixAIJ;
class NonLinearSolverDefault;
class TimeStepSolverDefault;
class DOFSynchronizer;
} // namespace akantu
namespace akantu {
class DOFManagerDefault : public DOFManager {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
DOFManagerDefault(const ID & id = "dof_manager_default",
const MemoryID & memory_id = 0);
DOFManagerDefault(Mesh & mesh, const ID & id = "dof_manager_default",
const MemoryID & memory_id = 0);
~DOFManagerDefault() override;
protected:
struct DOFDataDefault : public DOFData {
explicit DOFDataDefault(const ID & dof_id);
/// associated node for _dst_nodal dofs only
Array<UInt> associated_nodes;
};
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
private:
void registerDOFsInternal(const ID & dof_id, UInt nb_dofs,
UInt nb_pure_local_dofs);
public:
/// register an array of degree of freedom
void registerDOFs(const ID & dof_id, Array<Real> & dofs_array,
const DOFSupportType & support_type) override;
/// the dof as an implied type of _dst_nodal and is defined only on a subset
/// of nodes
void registerDOFs(const ID & dof_id, Array<Real> & dofs_array,
const ID & group_support) override;
/// Assemble an array to the global residual array
void assembleToResidual(const ID & dof_id, Array<Real> & array_to_assemble,
Real scale_factor = 1.) override;
/// Assemble an array to the global lumped matrix array
void assembleToLumpedMatrix(const ID & dof_id,
Array<Real> & array_to_assemble,
const ID & lumped_mtx,
Real scale_factor = 1.) override;
/**
* Assemble elementary values to the global matrix. The dof number is
* implicitly considered as conn(el, n) * nb_nodes_per_element + d.
* With 0 < n < nb_nodes_per_element and 0 < d < nb_dof_per_node
**/
void assembleElementalMatricesToMatrix(
const ID & matrix_id, const ID & dof_id,
const Array<Real> & elementary_mat, const ElementType & type,
const GhostType & ghost_type, const MatrixType & elemental_matrix_type,
const Array<UInt> & filter_elements) override;
/// multiply a vector by a matrix and assemble the result to the residual
void assembleMatMulVectToResidual(const ID & dof_id, const ID & A_id,
const Array<Real> & x,
Real scale_factor = 1) override;
/// multiply a vector by a lumped matrix and assemble the result to the
/// residual
void assembleLumpedMatMulVectToResidual(const ID & dof_id, const ID & A_id,
const Array<Real> & x,
Real scale_factor = 1) override;
/// assemble coupling terms between to dofs
void assemblePreassembledMatrix(const ID & dof_id_m, const ID & dof_id_n,
const ID & matrix_id,
const TermsToAssemble & terms) override;
protected:
/// Assemble an array to the global residual array
template <typename T>
void assembleToGlobalArray(const ID & dof_id,
const Array<T> & array_to_assemble,
Array<T> & global_array, T scale_factor);
template <typename T>
void makeConsistentForPeriodicity(const ID & dof_id, Array<T> & array);
public:
/// clear the residual
void clearResidual() override;
/// sets the matrix to 0
void clearMatrix(const ID & mtx) override;
/// sets the lumped matrix to 0
void clearLumpedMatrix(const ID & mtx) override;
/// update the global dofs vector
virtual void updateGlobalBlockedDofs();
/// apply boundary conditions to jacobian matrix
virtual void applyBoundary(const ID & matrix_id = "J");
// void getEquationsNumbers(const ID & dof_id,
// Array<UInt> & equation_numbers) override;
protected:
/// Get local part of an array corresponding to a given dofdata
template <typename T>
void getArrayPerDOFs(const ID & dof_id, const Array<T> & global_array,
Array<T> & local_array) const;
/// Get the part of the solution corresponding to the dof_id
void getSolutionPerDOFs(const ID & dof_id,
Array<Real> & solution_array) override;
/// fill a Vector with the equation numbers corresponding to the given
/// connectivity
inline void extractElementEquationNumber(
const Array<UInt> & equation_numbers, const Vector<UInt> & connectivity,
UInt nb_degree_of_freedom, Vector<UInt> & local_equation_number);
public:
/// extract a lumped matrix part corresponding to a given dof
void getLumpedMatrixPerDOFs(const ID & dof_id, const ID & lumped_mtx,
Array<Real> & lumped) override;
private:
/// Add a symmetric matrices to a symmetric sparse matrix
void addSymmetricElementalMatrixToSymmetric(
SparseMatrixAIJ & matrix, const Matrix<Real> & element_mat,
const Vector<UInt> & equation_numbers, UInt max_size);
/// Add a unsymmetric matrices to a symmetric sparse matrix (i.e. cohesive
/// elements)
void addUnsymmetricElementalMatrixToSymmetric(
SparseMatrixAIJ & matrix, const Matrix<Real> & element_mat,
const Vector<UInt> & equation_numbers, UInt max_size);
/// Add a matrices to a unsymmetric sparse matrix
void addElementalMatrixToUnsymmetric(SparseMatrixAIJ & matrix,
const Matrix<Real> & element_mat,
const Vector<UInt> & equation_numbers,
UInt max_size);
void addToProfile(const ID & matrix_id, const ID & dof_id,
const ElementType & type, const GhostType & ghost_type);
/* ------------------------------------------------------------------------ */
/* MeshEventHandler interface */
/* ------------------------------------------------------------------------ */
protected:
std::pair<UInt, UInt>
updateNodalDOFs(const ID & dof_id, const Array<UInt> & nodes_list) override;
private:
void updateDOFsData(DOFDataDefault & dof_data, UInt nb_new_local_dofs,
UInt nb_new_pure_local, UInt nb_nodes,
const std::function<UInt(UInt)> & getNode);
void updateDOFsData(DOFDataDefault & dof_data, UInt nb_new_local_dofs,
UInt nb_new_pure_local);
void resizeGlobalArrays();
auto computeFirstDOFIDs(UInt nb_new_local_dofs, UInt nb_new_pure_local);
public:
/// function to implement to react on akantu::NewNodesEvent
void onNodesAdded(const Array<UInt> & nodes_list,
const NewNodesEvent & event) override;
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/// Get an instance of a new SparseMatrix
SparseMatrix & getNewMatrix(const ID & matrix_id,
const MatrixType & matrix_type) override;
/// Get an instance of a new SparseMatrix as a copy of the SparseMatrix
/// matrix_to_copy_id
SparseMatrix & getNewMatrix(const ID & matrix_id,
const ID & matrix_to_copy_id) override;
/// Get the reference of an existing matrix
SparseMatrixAIJ & getMatrix(const ID & matrix_id);
/* ------------------------------------------------------------------------ */
/* Non Linear Solver */
/* ------------------------------------------------------------------------ */
/// Get instance of a non linear solver
NonLinearSolver & getNewNonLinearSolver(
const ID & nls_solver_id,
const NonLinearSolverType & _non_linear_solver_type) override;
/* ------------------------------------------------------------------------ */
/* Time-Step Solver */
/* ------------------------------------------------------------------------ */
/// Get instance of a time step solver
TimeStepSolver &
getNewTimeStepSolver(const ID & id, const TimeStepSolverType & type,
NonLinearSolver & non_linear_solver,
SolverCallback & solver_callback) override;
/* ------------------------------------------------------------------------ */
/// Get the solution array
AKANTU_GET_MACRO_NOT_CONST(GlobalSolution, global_solution, Array<Real> &);
/// Set the global solution array
void setGlobalSolution(const Array<Real> & solution);
/// Get the global residual array across processors (SMP call)
const Array<Real> & getGlobalResidual();
/// Get the residual array
const Array<Real> & getResidual() const;
/// Get the blocked dofs array
AKANTU_GET_MACRO(GlobalBlockedDOFs, global_blocked_dofs, const Array<bool> &);
/// Get the blocked dofs array
AKANTU_GET_MACRO(PreviousGlobalBlockedDOFs, previous_global_blocked_dofs,
const Array<bool> &);
/// Get the location type of a given dof
inline bool isLocalOrMasterDOF(UInt local_dof_num);
/// Answer to the question is a dof a slave dof ?
inline bool isSlaveDOF(UInt local_dof_num);
/// get the equation numbers (in local numbering) corresponding to a dof ID
inline const Array<UInt> & getLocalEquationNumbers(const ID & dof_id) const;
/// tells if the dof manager knows about a global dof
bool hasGlobalEquationNumber(UInt global) const;
/// return the local index of the global equation number
inline UInt globalToLocalEquationNumber(UInt global) const;
/// converts local equation numbers to global equation numbers;
inline UInt localToGlobalEquationNumber(UInt local) const;
/// get the array of dof types (use only if you know what you do...)
inline NodeFlag getDOFFlag(UInt local_id) const;
/// get the array of dof types (use only if you know what you do...)
inline const Array<UInt> & getDOFsAssociatedNodes(const ID & dof_id) const;
/// access the internal dof_synchronizer
AKANTU_GET_MACRO_NOT_CONST(Synchronizer, *synchronizer, DOFSynchronizer &);
/// access the internal dof_synchronizer
bool hasSynchronizer() const { return synchronizer != nullptr; }
protected:
DOFData & getNewDOFData(const ID & dof_id) override;
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
friend class GlobalDOFInfoDataAccessor;
// using AIJMatrixMap = std::map<ID, std::unique_ptr<SparseMatrixAIJ>>;
// using DefaultNonLinearSolversMap =
// std::map<ID, std::unique_ptr<NonLinearSolverDefault>>;
// using DefaultTimeStepSolversMap =
// std::map<ID, std::unique_ptr<TimeStepSolverDefault>>;
using DOFToMatrixProfile =
std::map<std::pair<ID, ID>,
std::vector<std::pair<ElementType, GhostType>>>;
/// contains the the dofs that where added to the profile of a given matrix.
DOFToMatrixProfile matrix_profiled_dofs;
/// rhs to the system of equation corresponding to the residual linked to the
/// different dofs
Array<Real> residual;
/// rhs used only on root proc in case of parallel computing, this is the full
/// gathered rhs array
std::unique_ptr<Array<Real>> global_residual;
/// solution of the system of equation corresponding to the different dofs
Array<Real> global_solution;
/// blocked degree of freedom in the system equation corresponding to the
/// different dofs
Array<bool> global_blocked_dofs;
/// blocked degree of freedom in the system equation corresponding to the
/// different dofs
Array<bool> previous_global_blocked_dofs;
/// define the dofs type, local, shared, ghost
Array<NodeFlag> dofs_flag;
/// Memory cache, this is an array to keep the temporary memory needed for
/// some operations, it is meant to be resized or cleared when needed
Array<Real> data_cache;
/// Release at last apply boundary on jacobian
UInt jacobian_release{0};
/// equation number in global numbering
Array<UInt> global_equation_number;
using equation_numbers_map = std::unordered_map<UInt, UInt>;
/// dual information of global_equation_number
equation_numbers_map global_to_local_mapping;
/// accumulator to know what would be the next global id to use
UInt first_global_dof_id{0};
/// synchronizer to maintain coherency in dof fields
std::unique_ptr<DOFSynchronizer> synchronizer;
};
} // namespace akantu
#include "dof_manager_default_inline_impl.cc"
#endif /* __AKANTU_DOF_MANAGER_DEFAULT_HH__ */
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