VariableConverter.h

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///////////////////////////////////////////////////////////////////////////////
//
// File VariableConverter.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
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// Description: Auxiliary functions to convert variables in 
//              the compressible flow system
//
///////////////////////////////////////////////////////////////////////////////

#ifndef NEKTAR_SOLVERS_COMPRESSIBLEFLOWSOLVER_MISC_VARCONVERT_H
#define NEKTAR_SOLVERS_COMPRESSIBLEFLOWSOLVER_MISC_VARCONVERT_H

#include <SolverUtils/UnsteadySystem.h>

namespace Nektar
{
    // Forward declarations
    class VariableConverter;
    typedef boost::shared_ptr<VariableConverter>  VariableConverterSharedPtr;
    /**
     *
     */
    class VariableConverter
    {
    public:

        VariableConverter(
            const LibUtilities::SessionReaderSharedPtr &pSession,
            const int spaceDim);

        ~VariableConverter();

        void GetVelocityVector(
            const Array<OneD,       Array<OneD, NekDouble> > &physfield,
                  Array<OneD,       Array<OneD, NekDouble> > &velocity);
        void GetSoundSpeed(
            const Array<OneD,       Array<OneD, NekDouble> > &physfield,
                  Array<OneD,                   NekDouble>   &pressure,
                  Array<OneD,                   NekDouble>   &soundspeed);
        void GetMach(
                  Array<OneD,       Array<OneD, NekDouble> > &physfield,
                  Array<OneD,                   NekDouble>   &soundspeed,
                  Array<OneD,                   NekDouble>   &mach);
        void GetTemperature(
            const Array<OneD, const Array<OneD, NekDouble> > &physfield,
                  Array<OneD,                   NekDouble>   &pressure,
                  Array<OneD,                   NekDouble>   &temperature);
        void GetPressure(
            const Array<OneD, const Array<OneD, NekDouble> > &physfield,
                  Array<OneD,                   NekDouble>   &pressure);
        void GetPressure(
            const Array<OneD, const Array<OneD, NekDouble> > &physfield,
            const Array<OneD, const Array<OneD, NekDouble> > &velocity,
                  Array<OneD,                   NekDouble>   &pressure);
        void GetEnthalpy(
            const Array<OneD, const Array<OneD, NekDouble> > &physfield,
                  Array<OneD,                   NekDouble>   &pressure,
                  Array<OneD,                   NekDouble>   &enthalpy);
        void GetEntropy(
            const Array<OneD, const Array<OneD, NekDouble> > &physfield,
            const Array<OneD, const             NekDouble>   &pressure,
            const Array<OneD, const             NekDouble>   &temperature,
                  Array<OneD,                   NekDouble>   &entropy);
        void GetDynamicViscosity(
            const Array<OneD, const NekDouble> &temperature,
                  Array<OneD,       NekDouble> &mu);
        void GetAbsoluteVelocity(
            const Array<OneD, const Array<OneD, NekDouble> > &inarray,
                  Array<OneD,                   NekDouble>   &Vtot);
        void GetSensor(
            const MultiRegions::ExpListSharedPtr             &field,
            const Array<OneD, const Array<OneD, NekDouble> > &physarray,
                  Array<OneD,                   NekDouble>   &Sensor,
                  Array<OneD,                   NekDouble>   &SensorKappa);

    protected:
        LibUtilities::SessionReaderSharedPtr m_session;
        int                                  m_spacedim;
        NekDouble                            m_gamma;
        NekDouble                            m_pInf;
        NekDouble                            m_rhoInf;
        NekDouble                            m_gasConstant;
        NekDouble                            m_mu;
        NekDouble                            m_thermalConductivity;
        NekDouble                            m_Skappa;
        NekDouble                            m_Kappa;
        NekDouble                            m_mu0;
    };
}
#endif