radial_linear.h

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/*
  Copyright (C) 2014 - 2019 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_gravity_model_radial_linear_h
#define _aspect_gravity_model_radial_linear_h
 
#include <aspect/simulator_access.h>
#include <aspect/gravity_model/interface.h>
 
namespace aspect
{
  namespace GravityModel
  {
    template <int dim>
    class RadialLinear : public Interface<dim>, public SimulatorAccess<dim>
    {
      public:
        Tensor<1,dim> gravity_vector (const Point<dim> &position) const override;
 
        static
        void
        declare_parameters (ParameterHandler &prm);
 
        void
        parse_parameters (ParameterHandler &prm) override;
 
      private:
        double magnitude_at_surface;
 
        double magnitude_at_bottom;
 
    };
  }
}
 
#endif