Homec4science
Diffusion tamaas (master) Browse

tamaas/src/solvers/petsc_solver.hh
1090f0326822master

Last Change
Raw File

petsc_solver.hh
View Options

/*
* SPDX-License-Indentifier: AGPL-3.0-or-later
*
* Copyright (©) 2016-2023 EPFL (École Polytechnique Fédérale de Lausanne),
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
* Copyright (©) 2020-2023 Lucas Frérot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef MYPETSC_SOLVER_HH
#define MYPETSC_SOLVER_HH
/* -------------------------------------------------------------------------- */
#include "ep_solver.hh"
#include "residual.hh"
#include <petscmat.h>
#include <petscoptions.h>
#include <petscsnes.h>
#include <petscsys.h>
#include <petscvec.h>
#include <string>
#include <vector>
/* -------------------------------------------------------------------------- */
namespace tamaas {
/// Wrapper to PETSc SNES abstract solver
class PETScSolver : public EPSolver {
public:
using residual_ctx = std::pair<Residual*, GridBase<Real>*>;
public:
PETScSolver(Residual& residual, std::string petsc_args);
~PETScSolver() override;
void solve() override;
private:
PetscOptions snes_options;
Vec _xvec, _rvec;
Mat J;
SNES snes;
residual_ctx res_ctx;
};
} // namespace tamaas
/* -------------------------------------------------------------------------- */
#endif
c4science · Help