modified_tait.h

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// ------------------------------------------------------
//
// SPDX-License-Identifier: GPL-2.0-or-later
//
// SPDX-FileCopyrightText: Copyright (C) 2011-2026 by the ASPECT authors.
//
// This file is part of ASPECT.
//
// Detailed license information governing the source code and
// contributions can be found in the folder LICENSES and in
// LICENSE and CONTRIBUTING.md at the top level directory.
//
// ------------------------------------------------------

#ifndef _aspect_material_model_modified_tait_h
#define _aspect_material_model_modified_tait_h

#include <deal.II/base/function_lib.h>
#include <aspect/material_model/interface.h>
#include <aspect/simulator_access.h>
#include <deal.II/base/parsed_function.h>

namespace aspect
{
  namespace MaterialModel
  {
    template <int dim>
    class ModifiedTait : public MaterialModel::Interface<dim>, public ::aspect::SimulatorAccess<dim>
    {

      public:
        void evaluate(const MaterialModelInputs<dim> &in,
                      MaterialModelOutputs<dim> &out) const override;

        bool is_compressible () const override;
        static
        void
        declare_parameters (ParameterHandler &prm);

        void
        parse_parameters (ParameterHandler &prm) override;

      private:
        double tait_a, tait_b, tait_c;

        double reference_pressure;

        double reference_temperature;

        double reference_rho;

        double reference_isothermal_bulk_modulus;

        double reference_Kprime;

        double Kdprime_0;

        double reference_thermal_expansivity;

        double einstein_temperature;

        Functions::ParsedFunction<1> reference_heat_capacity_function;

        double eta;

        double k_value;

    };

  }
}

#endif