WaterThermalConductivityIAPWS.h

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#pragma once
 
#include "MaterialLib/MPL/Property.h"
 
namespace MaterialPropertyLib
{
class Phase;

class WaterThermalConductivityIAPWS final : public Property
{
public:
    explicit WaterThermalConductivityIAPWS(std::string name)
    {
        name_ = std::move(name);
    }
    void checkScale() const override
    {
        if (!std::holds_alternative<Phase*>(scale_))
        {
            OGS_FATAL(
                "The property 'WaterThermalConductivityIAPWS' 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:
    static constexpr double ref_T_ = 647.096;  
    static constexpr double ref_rho_ =
        322.0;  
    static constexpr double ref_lambda_ =
        1.0e-3;  
};
}  // namespace MaterialPropertyLib