DefGrad.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 DEFGRAD_HPP
#define DEFGRAD_HPP

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

#include "Intrepid_CellTools.hpp"
#include "Intrepid_Cubature.hpp"

namespace LCM {
template<typename EvalT, typename Traits>
class DefGrad : public PHX::EvaluatorWithBaseImpl<Traits>,
    public PHX::EvaluatorDerived<EvalT, Traits>  {

public:

  DefGrad(const Teuchos::ParameterList& p);

  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<ScalarT,Cell,QuadPoint,Dim,Dim> GradU;
  PHX::MDField<MeshScalarT,Cell,QuadPoint> weights;
  
  // Output:
  PHX::MDField<ScalarT,Cell,QuadPoint,Dim,Dim> defgrad;
  PHX::MDField<ScalarT,Cell,QuadPoint> J;

  unsigned int numQPs;
  unsigned int numDims;
  unsigned int worksetSize;

  bool weightedAverage;

  ScalarT alpha;
  

};

}
#endif