PHAL_GPAMResid.hpp

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//*****************************************************************//
//    Albany 2.0:  Copyright 2012 Sandia Corporation               //
//    This Software is released under the BSD license detailed     //
//    in the file "license.txt" in the top-level Albany directory  //
//*****************************************************************//

#ifndef PHAL_GPAMRESID_HPP
#define PHAL_GPAMRESID_HPP

#include "Phalanx_ConfigDefs.hpp"
#include "Phalanx_Evaluator_WithBaseImpl.hpp"
#include "Phalanx_Evaluator_Derived.hpp"
#include "Phalanx_MDField.hpp"

#include "Albany_Layouts.hpp"

namespace PHAL {
template<typename EvalT, typename Traits>
class GPAMResid : public PHX::EvaluatorWithBaseImpl<Traits>,
            public PHX::EvaluatorDerived<EvalT, Traits>  {

public:

  GPAMResid(const Teuchos::ParameterList& p,
            const Teuchos::RCP<Albany::Layouts>& dl);

  void postRegistrationSetup(typename Traits::SetupData d,
           PHX::FieldManager<Traits>& vm);

  void evaluateFields(typename Traits::EvalData d);

private:

  typedef typename EvalT::ScalarT ScalarT;
  typedef typename EvalT::MeshScalarT MeshScalarT;

  // Input:
  PHX::MDField<MeshScalarT,Cell,Node,QuadPoint> wBF;
  PHX::MDField<MeshScalarT,Cell,Node,QuadPoint,Dim> wGradBF;

  PHX::MDField<ScalarT,Cell,QuadPoint,VecDim> C;
  PHX::MDField<ScalarT,Cell,QuadPoint,VecDim,Dim> Cgrad;
  PHX::MDField<ScalarT,Cell,QuadPoint,VecDim> CDot;

  // Output:
  PHX::MDField<ScalarT,Cell,Node,VecDim> Residual;

  std::size_t numNodes;
  std::size_t numQPs;
  std::size_t numDims;
  std::size_t vecDim;

  // Constant convection
  bool convectionTerm;
  std::vector<double> u;

};
}

#endif