SAVANI_perturbation.h

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/*
  Copyright (C) 2011 - 2024 by the authors of the ASPECT code.

  This file is part of ASPECT.

  ASPECT is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2, or (at your option)
  any later version.

  ASPECT is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with ASPECT; see the file LICENSE.  If not see
  <http://www.gnu.org/licenses/>.
*/


#ifndef _aspect_initial_temperature_SAVANI_perturbation_h
#define _aspect_initial_temperature_SAVANI_perturbation_h

#include <aspect/initial_temperature/interface.h>
#include <aspect/utilities.h>

namespace aspect
{
  namespace InitialTemperature
  {
    using namespace dealii;

    namespace internal
    {
      namespace SAVANI
      {
        class SphericalHarmonicsLookup;
        class SplineDepthsLookup;
      }
    }

    template <int dim>
    class SAVANIPerturbation : public Interface<dim>, public ::aspect::SimulatorAccess<dim>
    {
      public:
        SAVANIPerturbation ();


        void
        initialize () override;

        //TODO
        virtual
        double get_Vs (const Point<dim> &position) const;

        double initial_temperature (const Point<dim> &position) const override;

        static
        void
        declare_parameters (ParameterHandler &prm);

        void
        parse_parameters (ParameterHandler &prm) override;


      private:

        enum VsToDensityMethod
        {
          file,
          constant
        };

        VsToDensityMethod vs_to_density_method;

        std::string data_directory;
        std::string spline_depth_file_name;

        std::string harmonics_coeffs_file_name;

        double vs_to_density_constant;
        double thermal_alpha;
        double no_perturbation_depth;

        bool zero_out_degree_0;

        bool lower_max_degree;

        unsigned int specified_max_degree;

        double reference_temperature;

        std::unique_ptr<internal::SAVANI::SphericalHarmonicsLookup> spherical_harmonics_lookup;

        std::unique_ptr<internal::SAVANI::SplineDepthsLookup> spline_depths_lookup;

        aspect::Utilities::AsciiDataProfile<dim> profile;

        unsigned int vs_to_density_index;

        bool use_material_model_thermal_alpha;

    };

  }
}

#endif