axisym_boussinesq_buoyancy.h

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//-----------------------------------------------------------------------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_AXISYM_BOUSSINESQ_BUOYANCY_H
#define GRINS_AXISYM_BOUSSINESQ_BUOYANCY_H

// GRINS
#include "grins_config.h"
#include "grins/grins_enums.h"
#include "grins/physics.h"

// libMesh
#include "libmesh/enum_order.h"
#include "libmesh/enum_fe_family.h"
#include "libmesh/point.h"

namespace GRINS
{  

  class AxisymmetricBoussinesqBuoyancy : public Physics
  {
  public:
    
    AxisymmetricBoussinesqBuoyancy( const std::string& physics_name, const GetPot& input );

    ~AxisymmetricBoussinesqBuoyancy();

    virtual void read_input_options( const GetPot& input );

    virtual void init_variables( libMesh::FEMSystem* system );


    virtual void element_time_derivative( bool compute_jacobian,
                                          AssemblyContext& context,
                                          CachedValues& cache );

  protected:

    unsigned int _dim;

    GRINSEnums::FEFamily _T_FE_family, _V_FE_family;

    GRINSEnums::Order _T_order, _V_order;

    // Indices for each variable;
    VariableIndex _u_r_var;

    VariableIndex _u_z_var;

    VariableIndex _T_var;

    // Names of each variable in the system

    std::string _u_r_var_name;

    std::string _u_z_var_name;

    std::string _T_var_name;

    libMesh::Number _rho_ref;

    libMesh::Number _T_ref;

    libMesh::Number _beta_T;

    /* \todo This should be stashed in a singleton class and brought in from there */
    libMesh::Point _g;

  private:
    AxisymmetricBoussinesqBuoyancy();

  }; // class AxisymmetricBoussinesqBuoyancy

} // namespace GRINS
#endif // GRINS_AXISYM_BOUSSINESQ_BUOYANCY_H