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time_solver.C

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2012 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner

// This library 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 2.1 of the License, or (at your option) any later version.

// This library 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 this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#include "libmesh/diff_solver.h"
#include "libmesh/diff_system.h"
#include "libmesh/linear_solver.h"
#include "libmesh/time_solver.h"
#include "libmesh/no_solution_history.h"

namespace libMesh
{



TimeSolver::TimeSolver (sys_type& s)
  : quiet (true),
    reduce_deltat_on_diffsolver_failure (0),
    _diff_solver (NULL),
    _linear_solver (NULL),
    _system (s),
    solution_history(new NoSolutionHistory()), // Default setting for solution_history
    _is_adjoint (false)
{
}



TimeSolver::~TimeSolver ()
{
}



void TimeSolver::reinit ()
{
  libmesh_assert(_diff_solver.get());
  libmesh_assert_equal_to (&(_diff_solver->system()), &(this->system()));
  _diff_solver->reinit();

  libmesh_assert(_linear_solver.get());
  _linear_solver->clear();
  _linear_solver->init();
}



void TimeSolver::init ()
{
  // If the user hasn't given us a solver to use,
  // just build a default solver
  if (_diff_solver.get() == NULL)
    _diff_solver = DiffSolver::build(_system);

  if (_linear_solver.get() == NULL)
    _linear_solver = LinearSolver<Number>::build();

  _diff_solver->init();
  _linear_solver->init();
}



void TimeSolver::init_data ()
{
}



void TimeSolver::solve ()
{
  libmesh_assert(_diff_solver.get());
  libmesh_assert_equal_to (&(_diff_solver->system()), &(this->system()));
  _diff_solver->solve();
}


void TimeSolver::set_solution_history (const SolutionHistory & _solution_history)
 {
   solution_history = _solution_history.clone();
 }

void TimeSolver::advance_timestep ()
{
}

void TimeSolver::adjoint_advance_timestep ()
{
}

void TimeSolver::retrieve_timestep ()
{
}

} // namespace libMesh

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Last modified: February 05 2013 19:54:49 UTC

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