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rAKA/src/model/common/non_linear_solver/non_linear_solver_linear.cc
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non_linear_solver_linear.cc
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/**
* Copyright (©) 2010-2023 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 "non_linear_solver_linear.hh"
#include "dof_manager_default.hh"
#include "solver_callback.hh"
/* -------------------------------------------------------------------------- */
#if !defined(AKANTU_USE_MUMPS) && !defined(AKANTU_USE_PETSC)
#include "sparse_solver_eigen.hh"
namespace akantu {
using SparseSolverType = SparseSolverEigen;
}
#else
#include "sparse_solver_mumps.hh"
namespace akantu {
using SparseSolverType = SparseSolverMumps;
}
#endif
namespace akantu {
/* -------------------------------------------------------------------------- */
NonLinearSolverLinear::NonLinearSolverLinear(
DOFManagerDefault & dof_manager,
const NonLinearSolverType & non_linear_solver_type, const ID & id)
: NonLinearSolver(dof_manager, non_linear_solver_type, id),
dof_manager(dof_manager), solver(std::make_unique<SparseSolverType>(
dof_manager, "J", id + ":sparse_solver")) {
this->supported_type.insert(NonLinearSolverType::_linear);
this->checkIfTypeIsSupported();
}
/* -------------------------------------------------------------------------- */
NonLinearSolverLinear::~NonLinearSolverLinear() = default;
/* -------------------------------------------------------------------------- */
void NonLinearSolverLinear::solve(SolverCallback & solver_callback) {
solver_callback.beforeSolveStep();
this->dof_manager.updateGlobalBlockedDofs();
solver_callback.predictor();
solver_callback.assembleMatrix("J");
// Residual computed after J to allow the model to use K to compute the
// residual
this->assembleResidual(solver_callback);
this->solver->solve();
solver_callback.corrector();
if (solver_callback.canSplitResidual()) {
solver_callback.assembleResidual("internal");
} else {
this->assembleResidual(solver_callback);
}
solver_callback.afterSolveStep(true);
}
/* -------------------------------------------------------------------------- */
} // namespace akantu
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