BlatterTestCFBC.hh

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/* Copyright (C) 2020, 2021, 2022 PISM Authors
 *
 * This file is part of PISM.
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 * PISM 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
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 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
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 * You should have received a copy of the GNU General Public License
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*/
 
#ifndef BLATTERTESTCFBC_H
#define BLATTERTESTCFBC_H
 
#include "pism/stressbalance/blatter/Blatter.hh"
 
namespace pism {
namespace stressbalance {
 
/*!
 * Implements an X-Z flow line setup testing the implementation of lateral (ice margin)
 * boundary conditions.
 */
class BlatterTestCFBC : public Blatter {
public:
  BlatterTestCFBC(std::shared_ptr<const Grid> grid, int Mz, int coarsening_factor);
 
private:
  void init_2d_parameters(const Inputs &inputs);
 
  bool dirichlet_node(const DMDALocalInfo &info, const fem::Element3::GlobalIndex& I);
 
  Vector2d u_bc(double x, double y, double z) const;
 
  void residual_source_term(const fem::Q1Element3 &element,
                            const double *surface,
                            const double *bed,
                            Vector2d *residual);
 
  void residual_surface(const fem::Q1Element3 &element,
                        const fem::Q1Element3Face &face,
                        Vector2d *residual);
 
  void residual_basal(const fem::Q1Element3 &element,
                      const fem::Q1Element3Face &face,
                      const double *tauc_nodal,
                      const double *f_nodal,
                      const Vector2d *u_nodal,
                      Vector2d *residual);
 
  void jacobian_basal(const fem::Q1Element3Face &face,
                      const double *tauc_nodal,
                      const double *f_nodal,
                      const Vector2d *u_nodal,
                      double K[2 * fem::q13d::n_chi][2 * fem::q13d::n_chi]);
  double m_B;
  double m_g;
  double m_rho_i;
  double m_rho_w;
  double m_L;
};
 
} // end of namespace stressbalance
} // end of namespace pism
 
#endif /* BLATTERTESTCFBC_H */