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MixedLinearVariationalSolver.h
// Copyright (C) 2008-2011 Anders Logg and Garth N. Wells
//
// This file is part of DOLFIN.
//
// DOLFIN 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.
//
// DOLFIN 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 DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// Modified by Cecile Daversin-Catty, 2017.
//
// First added: 2017-07-21
// Last changed: 2017-07-21
#ifndef __MIXED_LINEAR_VARIATIONAL_SOLVER_H
#define __MIXED_LINEAR_VARIATIONAL_SOLVER_H
#include <dolfin/common/Variable.h>
#include <dolfin/la/LUSolver.h>
#include <dolfin/la/KrylovSolver.h>
namespace dolfin
{
// Forward declarations
class MixedLinearVariationalProblem;
class PETScNestMatrix;
class MixedLinearVariationalSolver : public Variable
{
public:
typedef std::tuple<std::vector<std::shared_ptr<GenericMatrix>>,
std::vector<std::shared_ptr<GenericVector>>,
std::vector<std::shared_ptr<GenericVector>> > assembled_system_type;
explicit MixedLinearVariationalSolver();
explicit MixedLinearVariationalSolver(std::shared_ptr<MixedLinearVariationalProblem> problem);
assembled_system_type assemble_system();
void solve();
void solve(assembled_system_type assembled_system);
static Parameters default_parameters()
{
Parameters p("linear_variational_solver");
p.add("linear_solver", "default");
p.add("preconditioner", "default");
p.add("symmetric", false);
p.add("print_rhs", false);
p.add("print_matrix", false);
p.add(LUSolver::default_parameters());
p.add(KrylovSolver::default_parameters());
return p;
}
private:
// The linear problem
std::shared_ptr<MixedLinearVariationalProblem> _problem;
};
}
#endif
dolfin::KrylovSolver::default_parameters
static Parameters default_parameters()
Default parameter values.
Definition KrylovSolver.cpp:32
dolfin::LUSolver::default_parameters
static Parameters default_parameters()
Default parameter values.
Definition LUSolver.h:68
dolfin::MixedLinearVariationalProblem
Definition MixedLinearVariationalProblem.h:48
dolfin::MixedLinearVariationalSolver::assemble_system
assembled_system_type assemble_system()
Block-by-block assembly.
Definition MixedLinearVariationalSolver.cpp:65
dolfin::MixedLinearVariationalSolver::MixedLinearVariationalSolver
MixedLinearVariationalSolver()
Create linear variational solver for given problem.
Definition MixedLinearVariationalSolver.cpp:49
dolfin::MixedLinearVariationalSolver::solve
void solve()
Solve variational problem.
Definition MixedLinearVariationalSolver.cpp:221
dolfin::MixedLinearVariationalSolver::default_parameters
static Parameters default_parameters()
Default parameter values.
Definition MixedLinearVariationalSolver.h:58
dolfin::PETScNestMatrix
Definition PETScNestMatrix.h:41
dolfin::Parameters
Definition Parameters.h:95
dolfin::Parameters::add
void add(std::string key)
Definition Parameters.h:128
dolfin::Variable::Variable
Variable()
Create unnamed variable.
Definition Variable.cpp:31
dolfin
Definition adapt.h:30