low_mach_navier_stokes_bc_handling.h

Go to the documentation of this file.

//-----------------------------------------------------------------------bl-
//--------------------------------------------------------------------------
//
// GRINS - General Reacting Incompressible Navier-Stokes
//
// Copyright (C) 2014-2015 Paul T. Bauman, Roy H. Stogner
// Copyright (C) 2010-2013 The PECOS Development Team
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the Version 2.1 GNU Lesser General
// Public License as published by the Free Software Foundation.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc. 51 Franklin Street, Fifth Floor,
// Boston, MA  02110-1301  USA
//
//-----------------------------------------------------------------------el-

#ifndef GRINS_LOW_MACH_NAVIER_STOKES_BC_HANDLING_H
#define GRINS_LOW_MACH_NAVIER_STOKES_BC_HANDLING_H

//GRINS
#include "grins/bc_handling_base.h"
#include "grins/parabolic_profile.h"

namespace GRINS
{
  class LowMachNavierStokesBCHandling : public BCHandlingBase
  {
  public:
    
    LowMachNavierStokesBCHandling( const std::string& physics_name, const GetPot& input );
    
    virtual ~LowMachNavierStokesBCHandling();

    virtual int string_to_int( const std::string& bc_type_in ) const;

    virtual void init_bc_data( const libMesh::FEMSystem& system );

    virtual void init_bc_types( const GRINS::BoundaryID bc_id, 
                                const std::string& bc_id_string, 
                                const int bc_type, 
                                const std::string& bc_vars, 
                                const std::string& bc_value, 
                                const GetPot& input );

    virtual void user_init_dirichlet_bcs( libMesh::FEMSystem* system, libMesh::DofMap& dof_map,
                                          GRINS::BoundaryID bc_id, GRINS::BCType bc_type ) const;

    void set_temp_bc_type( GRINS::BoundaryID bc_id, int bc_type );
    void set_temp_bc_value( GRINS::BoundaryID bc_id, libMesh::Real value );
    libMesh::Real get_temp_bc_value( GRINS::BoundaryID bc_id ) const;

    virtual void init_dirichlet_bcs( libMesh::FEMSystem* system ) const;

  protected:

    std::string _u_var_name, _v_var_name, _w_var_name, _T_var_name;
    
    GRINS::VariableIndex _T_var;

    // We need a second container to stash dirichlet values for the energy equation
    std::map< GRINS::BoundaryID, libMesh::Real > _T_values;

    // We also need another map container
     std::vector<std::pair<BoundaryID,BCType> > _temp_bc_map;

  private:

    LowMachNavierStokesBCHandling();

    enum LMNS_BC_TYPES{NO_SLIP=0,
                       ZERO_X_VELOCITY,
                       ZERO_Y_VELOCITY,
                       PRESCRIBED_VELOCITY, 
                       GENERAL_VELOCITY, 
                       PARABOLIC_PROFILE, 
                       ISOTHERMAL_WALL,
                       GENERAL_ISOTHERMAL_WALL,
                       ADIABATIC_WALL, 
                       PRESCRIBED_HEAT_FLUX, 
                       GENERAL_HEAT_FLUX};

  };

} // end namespace GRINS
#endif // GRINS_LOW_MACH_NAVIER_STOKES_BC_HANDLING_H