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dof_manager_petsc.hh
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/**
* @file dof_manager_petsc.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Tue Aug 18 2015
* @date last modification: Wed Jan 31 2018
*
* @brief PETSc implementation of the dof manager
*
*
* 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 <petscis.h>
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_DOF_MANAGER_PETSC_HH_
#define AKANTU_DOF_MANAGER_PETSC_HH_
#define PETSc_call(func, ...) \
do { \
auto ierr = func(__VA_ARGS__); \
if (PetscUnlikely(ierr != 0)) { \
const char * desc; \
PetscErrorMessage(ierr, &desc, nullptr); \
AKANTU_EXCEPTION("Error in PETSc call to \'" << #func \
<< "\': " << desc); \
} \
} while (false)
namespace akantu {
namespace detail {
template <typename T> void PETScSetName(T t, const ID & id) {
PETSc_call(PetscObjectSetName, reinterpret_cast<PetscObject>(t),
id.c_str());
}
} // namespace detail
} // namespace akantu
namespace akantu {
class SparseMatrixPETSc;
class SolverVectorPETSc;
} // namespace akantu
namespace akantu {
class DOFManagerPETSc : public DOFManager {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
DOFManagerPETSc(const ID & id = "dof_manager_petsc",
const MemoryID & memory_id = 0);
DOFManagerPETSc(Mesh & mesh, const ID & id = "dof_manager_petsc",
const MemoryID & memory_id = 0);
~DOFManagerPETSc() override = default;
protected:
void init();
struct DOFDataPETSc : public DOFData {
explicit DOFDataPETSc(const ID & dof_id);
/// petsc compressed version of local_equation_number
Array<PetscInt> local_equation_number_petsc;
Array<Int> & getLocalEquationsNumbers() override {
return local_equation_number_petsc;
}
};
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
void assembleToLumpedMatrix(const ID & /*dof_id*/,
Array<Real> & /*array_to_assemble*/,
const ID & /*lumped_mtx*/,
Real /*scale_factor*/ = 1.) override {
AKANTU_TO_IMPLEMENT();
}
void assembleElementalMatricesToMatrix(
const ID & /*matrix_id*/, const ID & /*dof_id*/,
const Array<Real> & /*elementary_mat*/, ElementType /*type*/,
GhostType /*ghost_type*/,
const MatrixType & /*elemental_matrix_type*/,
const Array<UInt> & /*filter_elements*/) override;
void assembleMatMulVectToArray(const ID & /*dof_id*/, const ID & /*A_id*/,
const Array<Real> & /*x*/,
Array<Real> & /*array*/,
Real /*scale_factor*/ = 1.) override;
void assembleLumpedMatMulVectToResidual(const ID & /*dof_id*/,
const ID & /*A_id*/,
const Array<Real> & /*x*/,
Real /*scale_factor*/ = 1) override {
AKANTU_TO_IMPLEMENT();
}
void assemblePreassembledMatrix(const ID & /* dof_id_m*/,
const ID & /*dof_id_n*/,
const ID & /*matrix_id*/,
const TermsToAssemble & /*terms*/) override;
protected:
void assembleToGlobalArray(const ID & dof_id,
const Array<Real> & array_to_assemble,
SolverVector & global_array,
Real scale_factor) override;
void getArrayPerDOFs(const ID & dof_id, const SolverVector & global,
Array<Real> & local) override;
void makeConsistentForPeriodicity(const ID & dof_id,
SolverVector & array) override;
std::unique_ptr<DOFData> getNewDOFData(const ID & dof_id) override;
std::tuple<UInt, UInt, UInt>
registerDOFsInternal(const ID & dof_id, Array<Real> & dofs_array) override;
void updateDOFsData(DOFDataPETSc & dof_data, UInt nb_new_local_dofs,
UInt nb_new_pure_local, UInt nb_node,
const std::function<UInt(UInt)> & getNode);
protected:
void getLumpedMatrixPerDOFs(const ID & /*dof_id*/, const ID & /*lumped_mtx*/,
Array<Real> & /*lumped*/) override {}
NonLinearSolver & getNewNonLinearSolver(
const ID & nls_solver_id,
const NonLinearSolverType & non_linear_solver_type) override;
TimeStepSolver &
getNewTimeStepSolver(const ID & id, const TimeStepSolverType & type,
NonLinearSolver & non_linear_solver,
SolverCallback & solver_callback) 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
SparseMatrixPETSc & getMatrix(const ID & matrix_id);
/// Get an instance of a new lumped matrix
SolverVector & getNewLumpedMatrix(const ID & matrix_id) override;
/// Get the blocked dofs array
// AKANTU_GET_MACRO(BlockedDOFs, blocked_dofs, const Array<bool> &);
AKANTU_GET_MACRO(MPIComm, mpi_communicator, MPI_Comm);
AKANTU_GET_MACRO_NOT_CONST(ISLocalToGlobalMapping, is_ltog_map,
ISLocalToGlobalMapping &);
SolverVectorPETSc & getSolution();
const SolverVectorPETSc & getSolution() const;
SolverVectorPETSc & getResidual();
const SolverVectorPETSc & getResidual() const;
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
using PETScMatrixMap = std::map<ID, SparseMatrixPETSc *>;
using PETScLumpedMatrixMap = std::map<ID, SolverVectorPETSc *>;
/// list of matrices registered to the dof manager
PETScMatrixMap petsc_matrices;
/// list of lumped matrices registered
PETScLumpedMatrixMap petsc_lumped_matrices;
/// PETSc local to global mapping of dofs
ISLocalToGlobalMapping is_ltog_map{nullptr};
/// Communicator associated to PETSc
MPI_Comm mpi_communicator;
/// list of the dof ids to be able to always iterate in the same order
std::vector<ID> dofs_ids;
};
/* -------------------------------------------------------------------------- */
} // namespace akantu
#endif /* AKANTU_DOF_MANAGER_PETSC_HH_ */
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