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feat: Add viscosity thermal expansion coefficient to ThermalCompressibleSinglePhaseFluid #3951

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feat: Add viscosity thermal expansion coefficient to ThermalCompressibleSinglePhaseFluid #3951

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8 changes: 7 additions & 1 deletion src/coreComponents/constitutive/fluid/singlefluid/ThermalCompressibleSinglePhaseFluid.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,11 @@ ThermalCompressibleSinglePhaseFluid::ThermalCompressibleSinglePhaseFluid( string
setInputFlag( InputFlags::OPTIONAL ).
setDescription( "Fluid thermal expansion coefficient. Unit: 1/K" );

registerWrapper( viewKeyStruct::viscosityExpansivityString(), &m_viscosityExpansivity ).
setApplyDefaultValue( 0.0 ).
setInputFlag( InputFlags::OPTIONAL ).
setDescription( "Fluid viscosity thermal expansion coefficient at the reference temperature. Unit: 1/K" );

registerWrapper( viewKeyStruct::specificHeatCapacityString(), &m_specificHeatCapacity ).
setApplyDefaultValue( 0.0 ).
setInputFlag( InputFlags::OPTIONAL ).
Expand Down Expand Up @@ -80,6 +85,7 @@ void ThermalCompressibleSinglePhaseFluid::postInputInitialization()
};

checkNonnegative( m_thermalExpansionCoeff, viewKeyStruct::thermalExpansionCoeffString() );
checkNonnegative( m_viscosityExpansivity, viewKeyStruct::viscosityExpansivityString() );
checkNonnegative( m_specificHeatCapacity, viewKeyStruct::specificHeatCapacityString() );
checkNonnegative( m_referenceInternalEnergy, viewKeyStruct::referenceInternalEnergyString() );

Expand All @@ -98,7 +104,7 @@ ThermalCompressibleSinglePhaseFluid::KernelWrapper
ThermalCompressibleSinglePhaseFluid::createKernelWrapper()
{
return KernelWrapper( KernelWrapper::DensRelationType( m_referencePressure, m_referenceTemperature, m_referenceDensity, m_compressibility, -m_thermalExpansionCoeff ),
KernelWrapper::ViscRelationType( m_referencePressure, m_referenceViscosity, m_viscosibility ),
KernelWrapper::ViscRelationType( m_referencePressure, m_referenceTemperature, m_referenceViscosity, m_viscosibility, -m_viscosityExpansivity ),
KernelWrapper::IntEnergyRelationType( m_referenceTemperature, m_referenceInternalEnergy, m_specificHeatCapacity/m_referenceInternalEnergy ),
m_density.value,
m_density.derivs,
Expand Down
9 changes: 6 additions & 3 deletions src/coreComponents/constitutive/fluid/singlefluid/ThermalCompressibleSinglePhaseFluid.hpp
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Expand Up @@ -43,7 +43,7 @@ class ThermalCompressibleSinglePhaseUpdate : public SingleFluidBaseUpdate
public:

using DensRelationType = ExponentialRelation< real64, DENS_EAT, 3 >;
using ViscRelationType = ExponentialRelation< real64, VISC_EAT >;
using ViscRelationType = ExponentialRelation< real64, VISC_EAT, 3 >;
using IntEnergyRelationType = ExponentialRelation< real64, INTENERGY_EAT >;
using DerivOffset = constitutive::singlefluid::DerivativeOffsetC< 1 >;

Expand Down Expand Up @@ -114,8 +114,7 @@ class ThermalCompressibleSinglePhaseUpdate : public SingleFluidBaseUpdate
real64 & dEnthalpy_dPressure,
real64 & dEnthalpy_dTemperature ) const override
{
m_viscRelation.compute( pressure, viscosity, dViscosity_dPressure );
dViscosity_dTemperature = 0.0;
m_viscRelation.compute( pressure, temperature, viscosity, dViscosity_dPressure, dViscosity_dTemperature );

m_densRelation.compute( pressure, temperature, density, dDensity_dPressure, dDensity_dTemperature );

Expand Down Expand Up @@ -240,6 +239,7 @@ class ThermalCompressibleSinglePhaseFluid : public CompressibleSinglePhaseFluid
struct viewKeyStruct : public CompressibleSinglePhaseFluid::viewKeyStruct
{
static constexpr char const * thermalExpansionCoeffString() { return "thermalExpansionCoeff"; }
static constexpr char const * viscosityExpansivityString() { return "viscosityExpansivity"; }
static constexpr char const * specificHeatCapacityString() { return "specificHeatCapacity"; }
static constexpr char const * referenceTemperatureString() { return "referenceTemperature"; }
static constexpr char const * referenceInternalEnergyString() { return "referenceInternalEnergy"; }
Expand All @@ -255,6 +255,9 @@ class ThermalCompressibleSinglePhaseFluid : public CompressibleSinglePhaseFluid
/// scalar fluid thermal expansion coefficient
real64 m_thermalExpansionCoeff;

/// scalar fluid viscosity thermal expansion coefficient
real64 m_viscosityExpansivity;

/// scalar fluid volumetric heat capacity coefficient
real64 m_specificHeatCapacity;

Expand Down