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sparse_solver_petsc.hh
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Fri, Jul 12, 04:10

sparse_solver_petsc.hh
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/**
* Copyright (©) 2014-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* 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 "sparse_solver.hh"
/* -------------------------------------------------------------------------- */
#include <petscksp.h>
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_SOLVER_PETSC_HH_
#define AKANTU_SOLVER_PETSC_HH_
namespace akantu {
class SparseMatrixPETSc;
class DOFManagerPETSc;
} // namespace akantu
namespace akantu {
class SparseSolverPETSc : public SparseSolver {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
SparseSolverPETSc(DOFManager & dof_manager, const ID & matrix_id,
const ID & id = "solver_petsc");
~SparseSolverPETSc() override;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
DOFManagerPETSc & getDOFManager();
/// create the solver context and set the matrices
virtual void setOperators();
void solve() override;
void parseSection(const ParserSection & section) override;
void updateInternalParameters() override;
void initialize() override;
private:
/// PETSc linear solver
KSP ksp;
/// Matrix defining the system of equations
SparseMatrixPETSc & matrix;
/// options to pass to petsc
std::string petsc_options;
};
} // namespace akantu
#endif /* AKANTU_SOLVER_PETSC_HH_ */

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