Panzer_DOFGradient.hpp

Go to the documentation of this file.

// @HEADER
// ***********************************************************************
//
//           Panzer: A partial differential equation assembly
//       engine for strongly coupled complex multiphysics systems
//                 Copyright (2011) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Roger P. Pawlowski (rppawlo@sandia.gov) and
// Eric C. Cyr (eccyr@sandia.gov)
// ***********************************************************************
// @HEADER
 
#ifndef PANZER_EVALUATOR_DOF_GRADIENT_DECL_HPP
#define PANZER_EVALUATOR_DOF_GRADIENT_DECL_HPP
 
#include "Phalanx_Evaluator_Macros.hpp"
#include "Phalanx_MDField.hpp"
#include "Panzer_Evaluator_Macros.hpp"
 
namespace panzer {
    
template <typename EvalT, typename TRAITS>                   
class DOFGradient : public panzer::EvaluatorWithBaseImpl<TRAITS>,      
                    public PHX::EvaluatorDerived<EvalT, TRAITS>  {   
public:
 
  DOFGradient(const Teuchos::ParameterList& p);
 
  DOFGradient(const PHX::FieldTag & input,
              const PHX::FieldTag & output,
              const panzer::BasisDescriptor & bd,
              const panzer::IntegrationDescriptor & id);
 
  void postRegistrationSetup(typename TRAITS::SetupData d,
                             PHX::FieldManager<TRAITS>& fm);
 
  void evaluateFields(typename TRAITS::EvalData d);
  
private:
 
  typedef typename EvalT::ScalarT ScalarT;
 
  bool use_descriptors_;
  panzer::BasisDescriptor bd_;
  panzer::IntegrationDescriptor id_;
 
  // <cell,point>
  PHX::MDField<const ScalarT,Cell,Point> dof_value;
  // <cell,point,dim>
  PHX::MDField<ScalarT> dof_gradient;
 
  std::string basis_name;
  std::size_t basis_index;
};
 
}
 
#endif