euler_solver.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2018 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



#ifndef LIBMESH_EULER_SOLVER_H
#define LIBMESH_EULER_SOLVER_H

// Local includes
#include "libmesh/first_order_unsteady_solver.h"

// C++ includes

namespace libMesh
{

class EulerSolver : public FirstOrderUnsteadySolver
{
public:
  typedef FirstOrderUnsteadySolver Parent;

  explicit
  EulerSolver (sys_type & s);

  virtual ~EulerSolver ();

  virtual Real error_order() const override;

  virtual bool element_residual (bool request_jacobian,
                                 DiffContext &) override;

  virtual bool side_residual (bool request_jacobian,
                              DiffContext &) override;

  virtual bool nonlocal_residual (bool request_jacobian,
                                  DiffContext &) override;

  Real theta;

protected:

  virtual bool _general_residual (bool request_jacobian,
                                  DiffContext &,
                                  ResFuncType mass,
                                  ResFuncType damping,
                                  ResFuncType time_deriv,
                                  ResFuncType constraint,
                                  ReinitFuncType reinit,
                                  bool compute_second_order_eqns);
};


} // namespace libMesh


#endif // LIBMESH_EULER_SOLVER_H