LiquidViscosityVogels.h

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#pragma once
 
#include "MaterialLib/MPL/Property.h"
 
namespace MaterialPropertyLib
{
class Phase;
 
template <typename VogelsConstants>
class LiquidViscosityVogels final : public Property
{
public:
    explicit LiquidViscosityVogels(std::string name, VogelsConstants constants)
        : constants_(std::move(constants))
    {
        name_ = std::move(name);
    };
 
    void checkScale() const override
    {
        if (!std::holds_alternative<Phase*>(scale_))
        {
            OGS_FATAL(
                "The property 'LiquidViscosityVogels' is "
                "implemented on the 'Phase' scale only.");
        }
    }
 
    PropertyDataType value(VariableArray const& variable_array,
                           ParameterLib::SpatialPosition const& pos,
                           double const t, double const dt) const override;
    PropertyDataType dValue(VariableArray const& variable_array,
                            Variable const variable,
                            ParameterLib::SpatialPosition const& pos,
                            double const t, double const dt) const override;
 
private:
    const VogelsConstants constants_;
    // Coefficients Hi and Hij are given in two static arrays in the cpp file.
};
 
struct VogelsViscosityConstantsWater
{
    VogelsViscosityConstantsWater() = default;
    const double A = -3.7188;
    const double B = 578.919;
    const double C = -137.546;
};
 
struct VogelsViscosityConstantsCO2
{
    VogelsViscosityConstantsCO2() = default;
    const double A = -24.0592;
    const double B = 28535.2;
    const double C = 1037.41;
};
 
struct VogelsViscosityConstantsCH4
{
    VogelsViscosityConstantsCH4() = default;
    const double A = -25.5947;
    const double B = 25392;
    const double C = 969.306;
};
 
extern template class LiquidViscosityVogels<VogelsViscosityConstantsWater>;
extern template class LiquidViscosityVogels<VogelsViscosityConstantsCO2>;
extern template class LiquidViscosityVogels<VogelsViscosityConstantsCH4>;
}  // namespace MaterialPropertyLib