parabolic_profile.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/parabolic_profile.h"

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

namespace GRINS
{

  ParabolicProfile::ParabolicProfile( )
    : libMesh::FunctionBase<libMesh::Number>(),
      _a(0.0), _b(0.0), _c(-4.0), _d(0.0), _e(4.0), _f(0.0)
  {
    _initialized=true;
    return;
  }

  ParabolicProfile::ParabolicProfile( const double a, const double b, const double c,
                                      const double d, const double e, const double f )
    : libMesh::FunctionBase<libMesh::Number>(),
      _a(a), _b(b), _c(c), _d(d), _e(e), _f(f)
  {
    _initialized=true;
    return;
  }

  ParabolicProfile::~ParabolicProfile()
  {
    return;
  }

  libMesh::AutoPtr< libMesh::FunctionBase<libMesh::Number> > ParabolicProfile::clone() const
  {
    return libMesh::AutoPtr< libMesh::FunctionBase<libMesh::Number> >( new ParabolicProfile( _a, _b, _c, _d, _e, _f ) );
  }

  libMesh::Number ParabolicProfile::operator()( const libMesh::Point &p, 
                                                const libMesh::Real )
  {
    const double x = p(0);
    const double y = p(1);
  
    return this->eval( _a, _b, _c, _d, _e, _f, x, y );
  }

  void ParabolicProfile::operator()( const libMesh::Point &p, 
                                     const libMesh::Real time, 
                                     libMesh::DenseVector<libMesh::Number> &output )
  {
    for( unsigned int i = 0; i < output.size(); i++ )
      {
        output(i) = (*this)(p, time);
      }
    return;
  }

  libMesh::Number ParabolicProfile::component( unsigned int /*i*/,
                                               const libMesh::Point &p, 
                                               const libMesh::Real time )
  {
    return (*this)(p, time);
  }

} // namespace GRINS