constant.hh

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#ifndef DUMUX_COMPONENTS_CONSTANT_HH
#define DUMUX_COMPONENTS_CONSTANT_HH
 
#include <dumux/common/parameters.hh>
 
#include <dumux/material/components/base.hh>
#include <dumux/material/components/liquid.hh>
#include <dumux/material/components/gas.hh>
#include <dumux/material/components/solid.hh>
 
namespace Dumux {
namespace Components {
 
template<int id, class Scalar>
class Constant
: public Components::Base<Scalar, Constant<id, Scalar> >
, public Components::Liquid<Scalar, Constant<id, Scalar> >
, public Components::Gas<Scalar, Constant<id, Scalar> >
, public Components::Solid<Scalar, Constant<id, Scalar> >
{
 
public:
    static constexpr bool gasIsCompressible()
    { return false; }
 
    static constexpr bool gasViscosityIsConstant()
    { return true; }
 
    static constexpr bool gasIsIdeal()
    { return true; }
 
    static constexpr bool liquidIsCompressible()
    { return false; }
 
    static constexpr bool liquidViscosityIsConstant()
    { return true; }
 
    static const std::string& name()
    {
        static const std::string name = getParamFromGroup<std::string>(std::to_string(id), "Component.Name", "component");
        return name;
    }
 
    static Scalar molarMass()
    {
        static const Scalar molarMass = getParamFromGroup<Scalar>(std::to_string(id), "Component.MolarMass");
        return molarMass;
    }
 
    static Scalar liquidDensity(Scalar temperature, Scalar pressure)
    {
        static const Scalar density = getParamFromGroup<Scalar>(std::to_string(id), "Component.LiquidDensity");
        return density;
    }
 
    static Scalar liquidMolarDensity(Scalar temperature, Scalar pressure)
    { return liquidDensity(temperature, pressure)/molarMass(); }
 
    static Scalar liquidViscosity(Scalar temperature, Scalar pressure)
    {
        static const Scalar kinematicViscosity = getParamFromGroup<Scalar>(std::to_string(id), "Component.LiquidKinematicViscosity");
        return kinematicViscosity * liquidDensity(temperature, pressure);
    }
 
    static Scalar liquidThermalConductivity(Scalar temperature, Scalar pressure)
    {
        static const Scalar thermalConductivity = getParamFromGroup<Scalar>(std::to_string(id), "Component.LiquidThermalConductivity");
        return thermalConductivity;
    }
 
    static Scalar liquidInternalEnergy(Scalar temperature, Scalar pressure)
    {
        // u = c * dT for incompressible fluids
        const Scalar heatCapacity = liquidHeatCapacity(temperature, pressure);
        static const Scalar tRef = getParamFromGroup<Scalar>(std::to_string(id), "Component.ReferenceTemperature", 293.15);
        return heatCapacity * (temperature - tRef);
    }
 
    static Scalar liquidEnthalpy(Scalar temperature, Scalar pressure)
    {
        const Scalar u = liquidInternalEnergy(temperature, pressure);
        const Scalar rho = liquidDensity(temperature, pressure);
        return u + pressure / rho;
    }
 
    static Scalar liquidHeatCapacity(Scalar temperature, Scalar pressure)
    {
        static const Scalar heatCapacity = getParamFromGroup<Scalar>(std::to_string(id), "Component.LiquidHeatCapacity");
        return heatCapacity;
    }
 
    static Scalar gasDensity(Scalar temperature, Scalar pressure)
    {
        static const Scalar density = getParamFromGroup<Scalar>(std::to_string(id), "Component.GasDensity");
        return density;
    }
 
    static Scalar gasMolarDensity(Scalar temperature, Scalar pressure)
    { return gasDensity(temperature, pressure)/molarMass(); }
 
 
    static Scalar gasViscosity(Scalar temperature, Scalar pressure)
    {
        static const Scalar kinematicViscosity = getParamFromGroup<Scalar>(std::to_string(id), "Component.GasKinematicViscosity");
        return kinematicViscosity * gasDensity(temperature, pressure);
    }
 
    static Scalar solidDensity(Scalar temperature)
    {
        static const Scalar density = getParamFromGroup<Scalar>(std::to_string(id), "Component.SolidDensity");
        return density;
    }
 
    static Scalar solidThermalConductivity(Scalar temperature)
    {
        static const Scalar solidThermalConductivity = getParamFromGroup<Scalar>(std::to_string(id), "Component.SolidThermalConductivity");
        return solidThermalConductivity;
    }
 
    static Scalar solidHeatCapacity(Scalar temperature)
    {
        static const Scalar solidHeatCapacity = getParamFromGroup<Scalar>(std::to_string(id), "Component.SolidHeatCapacity");
        return solidHeatCapacity;
    }
};
 
} // end namespace Components
 
} // end namespace Dumux
 
#endif