Commit 7be6757a authored by Douglas Serson's avatar Douglas Serson

Implement van der waals equation of state

parent d3cd8f9e
......@@ -36,6 +36,7 @@ IF( NEKTAR_SOLVER_COMPRESSIBLE_FLOW )
./Forcing/ForcingQuasi1D.cpp
./Misc/EquationOfState.cpp
./Misc/IdealGasEoS.cpp
./Misc/VanDerWaalsEoS.cpp
./Misc/VariableConverter.cpp
./RiemannSolvers/AverageSolver.cpp
./RiemannSolvers/AUSM0Solver.cpp
......
///////////////////////////////////////////////////////////////////////////////
//
// File: VanDerWaalsEoS.cpp
//
// 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: Van der Waals equation of state
//
///////////////////////////////////////////////////////////////////////////////
#include "VanDerWaalsEoS.h"
using namespace std;
namespace Nektar
{
std::string VanDerWaalsEoS::className = GetEquationOfStateFactory().
RegisterCreatorFunction("VanDerWaals",
VanDerWaalsEoS::create,
"Van der Waals equation of state.");
VanDerWaalsEoS::VanDerWaalsEoS(const LibUtilities::SessionReaderSharedPtr& pSession)
: EquationOfState(pSession)
{
NekDouble Tcrit, Pcrit;
pSession->LoadParameter ("Tcrit", Tcrit);
pSession->LoadParameter ("Pcrit", Pcrit);
m_a = 27.0/64.0 * m_gasConstant * m_gasConstant * Tcrit * Tcrit / Pcrit;
m_b = 1.0/8.0 * Tcrit / Pcrit;
}
NekDouble VanDerWaalsEoS::v_GetTemperature(
const NekDouble &rho, const NekDouble &e)
{
return (e + m_a * rho) * (m_gamma - 1) / m_gasConstant;
}
NekDouble VanDerWaalsEoS::v_GetPressure(
const NekDouble &rho, const NekDouble &e)
{
return (e + m_a * rho) * (m_gamma - 1) / (1.0/rho - m_b) - m_a * rho * rho;
}
NekDouble VanDerWaalsEoS::v_GetDPDrho_e(
const NekDouble &rho, const NekDouble &e)
{
NekDouble result;
result = (m_gamma - 1) * (e + 2*m_a*rho - m_a*m_b*rho*rho);
result = result / ( (1 - m_b*rho) * (1 - m_b*rho) );
result = result - 2*m_a*rho;
return result;
}
NekDouble VanDerWaalsEoS::v_GetDPDe_rho(
const NekDouble &rho, const NekDouble &e)
{
return (m_gamma - 1) / (1.0/rho - m_b);
}
}
///////////////////////////////////////////////////////////////////////////////
//
// File: VanDerWaalsEoS.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: Van der Waals equation of state
//
///////////////////////////////////////////////////////////////////////////////
#ifndef NEKTAR_SOLVERS_COMPRESSIBLEFLOWSOLVER_MISC_VANDERWAALSEOS
#define NEKTAR_SOLVERS_COMPRESSIBLEFLOWSOLVER_MISC_VANDERWAALSEOS
#include "EquationOfState.h"
namespace Nektar
{
/**
* @brief Ideal gas equation of state.
*/
class VanDerWaalsEoS : public EquationOfState
{
public:
friend class MemoryManager<VanDerWaalsEoS>;
/// Creates an instance of this class
static EquationOfStateSharedPtr create(
const LibUtilities::SessionReaderSharedPtr& pSession)
{
EquationOfStateSharedPtr p = MemoryManager<VanDerWaalsEoS>::
AllocateSharedPtr(pSession);
return p;
}
///Name of the class
static std::string className;
protected:
NekDouble m_a;
NekDouble m_b;
virtual NekDouble v_GetTemperature(
const NekDouble &rho, const NekDouble &e);
virtual NekDouble v_GetPressure(
const NekDouble &rho, const NekDouble &e);
virtual NekDouble v_GetDPDrho_e(
const NekDouble &rho, const NekDouble &e);
virtual NekDouble v_GetDPDe_rho(
const NekDouble &rho, const NekDouble &e);
private:
VanDerWaalsEoS(const LibUtilities::SessionReaderSharedPtr& pSession);
virtual ~VanDerWaalsEoS(void){};
};
}
#endif
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