CubicLawPermeability.cpp

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#include "CubicLawPermeability.h"
 
namespace MaterialPropertyLib
{
CubicLawPermeability::CubicLawPermeability(
    std::string name, ParameterLib::Parameter<double> const* b)
    : _b(b)
{
    name_ = std::move(name);
}
 
PropertyDataType CubicLawPermeability::value(
    VariableArray const& variable_array,
    ParameterLib::SpatialPosition const& pos, double const t,
    double const /*dt*/) const
{
    double const aperture_m =
        _b ? (*_b)(t, pos)[0] : variable_array.fracture_aperture;
 
    return aperture_m * aperture_m / 12;
}
 
PropertyDataType CubicLawPermeability::dValue(
    VariableArray const& variable_array, Variable const variable,
    ParameterLib::SpatialPosition const& /*pos*/, double const /*t*/,
    double const /*dt*/) const
{
    if (variable != Variable::fracture_aperture || _b)
    {
        return 0.0;
    }
 
    return variable_array.fracture_aperture / 6.0;
}
}  // namespace MaterialPropertyLib