CompressibleFlowSolver/RiemannSolvers/LaxFriedrichsSolver.h

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///////////////////////////////////////////////////////////////////////////////
//
// File: LaxFriedrichsSolver.h
//
// For more information, please see: http://www.nektar.info
//
// The MIT License
//
// Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
// Department of Aeronautics, Imperial College London (UK), and Scientific
// Computing and Imaging Institute, University of Utah (USA).
//
// License for the specific language governing rights and limitations under
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// Description: Lax-Friderichs Riemann solver.
//
///////////////////////////////////////////////////////////////////////////////

#ifndef NEKTAR_SOLVERS_COMPRESSIBLEFLOWSOLVER_RIEMANNSOLVER_LAXFRIEDRICHSSOLVER
#define NEKTAR_SOLVERS_COMPRESSIBLEFLOWSOLVER_RIEMANNSOLVER_LAXFRIEDRICHSSOLVER

#include <CompressibleFlowSolver/RiemannSolvers/CompressibleSolver.h>

namespace Nektar
{
    class LaxFriedrichsSolver : public CompressibleSolver
    {
    public:
        static RiemannSolverSharedPtr create()
        {
            return RiemannSolverSharedPtr(new LaxFriedrichsSolver());
        }
        
        static std::string solverName;
        
    protected:
        LaxFriedrichsSolver();
        
        virtual void v_PointSolve(
            NekDouble  rhoL, NekDouble  rhouL, NekDouble  rhovL, NekDouble  rhowL, NekDouble  EL,
            NekDouble  rhoR, NekDouble  rhouR, NekDouble  rhovR, NekDouble  rhowR, NekDouble  ER,
            NekDouble &rhof, NekDouble &rhouf, NekDouble &rhovf, NekDouble &rhowf, NekDouble &Ef);
        
        virtual void v_PointSolveVisc(
            NekDouble  rhoL, NekDouble  rhouL, NekDouble  rhovL, NekDouble  rhowL, NekDouble  EL, NekDouble  EpsL,
            NekDouble  rhoR, NekDouble  rhouR, NekDouble  rhovR, NekDouble  rhowR, NekDouble  ER, NekDouble  EpsR,
            NekDouble &rhof, NekDouble &rhouf, NekDouble &rhovf, NekDouble &rhowf, NekDouble &Ef, NekDouble  &Epsf);
    };
}

#endif