Detailed Description

template<typename VogelsConstants>
class MaterialLib::Fluid::VogelsLiquidDynamicViscosity< VogelsConstants >

A temperature dependent viscosity model. ddbst

Definition at line 32 of file VogelsLiquidDynamicViscosity.h.

#include <VogelsLiquidDynamicViscosity.h>

Inheritance diagram for MaterialLib::Fluid::VogelsLiquidDynamicViscosity< VogelsConstants >:

Collaboration diagram for MaterialLib::Fluid::VogelsLiquidDynamicViscosity< VogelsConstants >:

Public Member Functions
	VogelsLiquidDynamicViscosity (VogelsConstants constants)
	Viscosity defined by \(10^3 \, e^{A+\frac{B}{C+T}}\).

std::string	getName () const override
	Get model name.

double	getValue (const ArrayType &var_vals) const override

double	getdValue (const ArrayType &var_vals, const PropertyVariableType var) const override

Public Member Functions inherited from MaterialLib::Fluid::FluidProperty
virtual	~FluidProperty ()=default

Private Attributes
const VogelsConstants	_constants

Additional Inherited Members
Public Types inherited from MaterialLib::Fluid::FluidProperty
using	ArrayType = std::array<double, PropertyVariableNumber>

Constructor & Destructor Documentation

◆ VogelsLiquidDynamicViscosity()

template<typename VogelsConstants >

MaterialLib::Fluid::VogelsLiquidDynamicViscosity< VogelsConstants >::VogelsLiquidDynamicViscosity ( VogelsConstants constants )

inlineexplicit

Viscosity defined by \(10^3 \, e^{A+\frac{B}{C+T}}\).

Parameters

constants Constants of the fluid.

Definition at line 40 of file VogelsLiquidDynamicViscosity.h.

        : _constants(std::move(constants))
    {
    }

Member Function Documentation

◆ getdValue()

template<typename VogelsConstants >

double MaterialLib::Fluid::VogelsLiquidDynamicViscosity< VogelsConstants >::getdValue	(	const ArrayType &	var_vals,
		const PropertyVariableType	var ) const

inlineoverridevirtual

Get the partial differential of the viscosity with respect to temperature.

Parameters

var_vals	Variable values in an array. The order of its elements is given in enum class PropertyVariableType.
var	Variable type.

Implements MaterialLib::Fluid::FluidProperty.

Definition at line 69 of file VogelsLiquidDynamicViscosity.h.

    {
        (void)var;
        const double T = var_vals[static_cast<int>(PropertyVariableType::T)];
        const double f_buff = _constants.B / (_constants.C + T);
        // Note: the constant of 1.e-3 is for the SI unit conversion.
        return -1.e-3 * f_buff * std::exp(_constants.A + f_buff) /
               (_constants.C + T);
    }

References MaterialLib::Fluid::VogelsLiquidDynamicViscosity< VogelsConstants >::_constants, and MaterialLib::Fluid::T.

◆ getName()

template<typename VogelsConstants >

std::string MaterialLib::Fluid::VogelsLiquidDynamicViscosity< VogelsConstants >::getName ( ) const

inlineoverridevirtual

Get model name.

Implements MaterialLib::Fluid::FluidProperty.

Definition at line 46 of file VogelsLiquidDynamicViscosity.h.

    {
        return "Liquid viscosity by Vogel's equation";
    }

◆ getValue()

template<typename VogelsConstants >

double MaterialLib::Fluid::VogelsLiquidDynamicViscosity< VogelsConstants >::getValue ( const ArrayType & var_vals ) const

inlineoverridevirtual

Get viscosity value (in SI unit: Pa * s).

Parameters

var_vals Variable values in an array. The order of its elements is given in enum class PropertyVariableType.

Implements MaterialLib::Fluid::FluidProperty.

Definition at line 55 of file VogelsLiquidDynamicViscosity.h.

    {
        const double T = var_vals[static_cast<int>(PropertyVariableType::T)];
        // Note: the constant of 1.e-3 is for the SI unit conversion.
        return 1.e-3 *
               std::exp(_constants.A + _constants.B / (_constants.C + T));
    }