src/base/stressbalance/SSATestCase.hh

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// Copyright (C) 2009--2011 Ed Bueler, Constantine Khroulev and David Maxwell
//
// This file is part of PISM.
//
// 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
// Foundation; either version 2 of the License, or (at your option) any later
// version.
//
// PISM 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 PISM; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

#ifndef _SSATESTCASE_H_
#define _SSATESTCASE_H_

#include "SSA.hh"




PetscErrorCode init_shallow_grid(IceGrid &grid, 
                                 PetscReal Lx, PetscReal Ly, 
                                 PetscInt Mx, PetscInt My, Periodicity p);



class SSATestCase
{
public:
  SSATestCase( MPI_Comm com, PetscMPIInt rank, 
               PetscMPIInt size, NCConfigVariable &c ): 
                  config(c), grid(com,rank,size,config), 
                  basal(0), ice(0), enthalpyconverter(0), ssa(0),
                  report_velocity_scale(secpera)
  {  };

  virtual ~SSATestCase()
  {
    delete basal;
    delete ice;
    delete enthalpyconverter;
    delete ssa;
  }

  virtual PetscErrorCode init(PetscInt Mx, PetscInt My,SSAFactory ssafactory);

  virtual PetscErrorCode run();

  virtual PetscErrorCode report();

  virtual PetscErrorCode write(const string &filename);

protected:

  virtual PetscErrorCode buildSSACoefficients();

  virtual PetscErrorCode initializeGrid(PetscInt Mx,PetscInt My) = 0;

  virtual PetscErrorCode initializeSSAModel() = 0;

  virtual PetscErrorCode initializeSSACoefficients() = 0;

  virtual PetscErrorCode exactSolution(PetscInt i, PetscInt j, 
    PetscReal x, PetscReal y, PetscReal *u, PetscReal *v );

  NCConfigVariable &config;
  IceGrid grid;

  // SSA model variables.
  IceBasalResistancePlasticLaw *basal;
  IceFlowLaw *ice; 
  EnthalpyConverter *enthalpyconverter;

  // SSA coefficient variables.
  PISMVars vars;
  IceModelVec2S  surface, thickness, bed, tauc;
  IceModelVec3 enthalpy;
  IceModelVec2V vel_bc;
  IceModelVec2Int ice_mask, bc_mask;

  SSA *ssa;

  // Scale for converting velocities from their units during computation to human friendly units.
  
  PetscScalar report_velocity_scale;

};

#endif /* _SSATESTCASE_H_ */