boussinesq_buoyancy_base.C

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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-


// This class
#include "grins_config.h"
#include "grins/boussinesq_buoyancy_base.h"

// libMesh
#include "libmesh/getpot.h"
#include "libmesh/string_to_enum.h"
#include "libmesh/fem_system.h"

namespace GRINS
{

  BoussinesqBuoyancyBase::BoussinesqBuoyancyBase( const std::string& physics_name, const GetPot& input )
    : Physics(physics_name,input),
      _flow_vars(input,incompressible_navier_stokes),
      _temp_vars(input,heat_transfer),
      _rho_ref(1.0),
      _T_ref(1.0),
      _beta_T(1.0)
  {
    this->set_parameter
      (_rho_ref, input,
       "Physics/"+boussinesq_buoyancy+"/rho_ref", _rho_ref);

    this->set_parameter
      (_T_ref, input,
       "Physics/"+boussinesq_buoyancy+"/T_ref", _T_ref);

    this->set_parameter
      (_beta_T, input,
       "Physics/"+boussinesq_buoyancy+"/beta_T", _beta_T);

    unsigned int g_dim = input.vector_variable_size("Physics/"+boussinesq_buoyancy+"/g");

    _g(0) = input("Physics/"+boussinesq_buoyancy+"/g", 0.0, 0 );
    _g(1) = input("Physics/"+boussinesq_buoyancy+"/g", 0.0, 1 );
  
    if( g_dim == 3)
      _g(2) = input("Physics/"+boussinesq_buoyancy+"/g", 0.0, 2 );

    return;
  }

  BoussinesqBuoyancyBase::~BoussinesqBuoyancyBase()
  {
    return;
  }

  void BoussinesqBuoyancyBase::init_variables( libMesh::FEMSystem* system )
  {
    // Get libMesh to assign an index for each variable
    this->_dim = system->get_mesh().mesh_dimension();

    _temp_vars.init(system);
    _flow_vars.init(system);

    return;
  }

} // namespace GRINS