Nektar++
IdealGasEoS.cpp
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1///////////////////////////////////////////////////////////////////////////////
2//
3// File: IdealGasEoS.cpp
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7// The MIT License
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9// Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
10// Department of Aeronautics, Imperial College London (UK), and Scientific
11// Computing and Imaging Institute, University of Utah (USA).
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30//
31// Description: Ideal gas equation of state
32//
33///////////////////////////////////////////////////////////////////////////////
34
35#include "IdealGasEoS.h"
36
37namespace Nektar
38{
39
40std::string IdealGasEoS::className =
42 "IdealGas", IdealGasEoS::create, "Ideal gas equation of state.");
43
45 : EquationOfState(pSession)
46{
47}
48
50 const NekDouble &e)
51{
52 return GetTemperatureKernel(e);
53}
54
55vec_t IdealGasEoS::v_GetTemperature([[maybe_unused]] const vec_t &rho,
56 const vec_t &e)
57{
58 return GetTemperatureKernel(e);
59}
60
62{
63 return GetPressureKernel(rho, e);
64}
65
67{
68 return GetPressureKernel(rho, e);
69}
70
72{
73 NekDouble T = GetTemperature(rho, e);
74 return sqrt(m_gamma * m_gasConstant * T);
75}
76
78{
79 NekDouble T = GetTemperature(rho, e);
80 return m_gasConstant / (m_gamma - 1) * log(T) - m_gasConstant * log(rho);
81}
82
84 const NekDouble &e)
85{
86 return e * (m_gamma - 1);
87}
88
90 [[maybe_unused]] const NekDouble &e)
91{
92 return rho * (m_gamma - 1);
93}
94
96{
97 return p / (rho * (m_gamma - 1));
98}
99
101{
102 return p / (m_gasConstant * T);
103}
104
105} // namespace Nektar
Encapsulates equations of state allowing us to obtain thermodynamic properties: most relations are in...
NekDouble GetTemperature(const NekDouble &rho, const NekDouble &e)
Calculate the temperature.
static EquationOfStateSharedPtr create(const LibUtilities::SessionReaderSharedPtr &pSession)
Creates an instance of this class.
Definition: IdealGasEoS.h:53
static std::string className
Name of the class.
Definition: IdealGasEoS.h:62
NekDouble v_GetEFromRhoP(const NekDouble &rho, const NekDouble &p) final
Definition: IdealGasEoS.cpp:95
NekDouble v_GetRhoFromPT(const NekDouble &rho, const NekDouble &p) final
NekDouble v_GetSoundSpeed(const NekDouble &rho, const NekDouble &e) final
Definition: IdealGasEoS.cpp:71
NekDouble v_GetDPDe_rho(const NekDouble &rho, const NekDouble &e) final
Definition: IdealGasEoS.cpp:89
IdealGasEoS(const LibUtilities::SessionReaderSharedPtr &pSession)
Definition: IdealGasEoS.cpp:44
T GetPressureKernel(const T &rho, const T &e)
Definition: IdealGasEoS.h:102
NekDouble v_GetDPDrho_e(const NekDouble &rho, const NekDouble &e) final
Definition: IdealGasEoS.cpp:83
NekDouble v_GetPressure(const NekDouble &rho, const NekDouble &e) final
Definition: IdealGasEoS.cpp:61
NekDouble v_GetEntropy(const NekDouble &rho, const NekDouble &e) final
Definition: IdealGasEoS.cpp:77
NekDouble v_GetTemperature(const NekDouble &rho, const NekDouble &e) final
Definition: IdealGasEoS.cpp:49
T GetTemperatureKernel(const T &e)
Definition: IdealGasEoS.h:94
tKey RegisterCreatorFunction(tKey idKey, CreatorFunction classCreator, std::string pDesc="")
Register a class with the factory.
std::shared_ptr< SessionReader > SessionReaderSharedPtr
EquationOfStateFactory & GetEquationOfStateFactory()
Declaration of the equation of state factory singleton.
tinysimd::simd< NekDouble > vec_t
double NekDouble
scalarT< T > log(scalarT< T > in)
Definition: scalar.hpp:294
scalarT< T > sqrt(scalarT< T > in)
Definition: scalar.hpp:285