constant_prandtl_conductivity.h

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//-----------------------------------------------------------------------bl-
//--------------------------------------------------------------------------
//
// GRINS - General Reacting Incompressible Navier-Stokes
//
// Copyright (C) 2014-2017 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_CONSTANT_PRANDTL_CONDUCTIVITY_H
#define GRINS_CONSTANT_PRANDTL_CONDUCTIVITY_H

// GRINS
#include "grins/parameter_user.h"

// libMesh
#include "libmesh/libmesh_common.h"

class GetPot;

namespace GRINS
{
  class ConstantPrandtlConductivity : public ParameterUser
  {
  public:


    ConstantPrandtlConductivity( const GetPot& input, const std::string& material );

    ConstantPrandtlConductivity( const GetPot& input );
    ~ConstantPrandtlConductivity();

    libMesh::Real operator()( const libMesh::Real mu, const libMesh::Real cp ) const;

  private:

    libMesh::Real _Pr;

  };

  /* ------------------------- Inline Functions -------------------------*/
  inline
  libMesh::Real ConstantPrandtlConductivity::operator()( const libMesh::Real mu, const libMesh::Real cp ) const
  {
    return mu*cp/_Pr;
  }

} // end namespace GRINS

#endif // GRINS_CONSTANT_PRANDTL_CONDUCTIVITY_H