Kinematics.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 KINEMATICS_HPP
#define KINEMATICS_HPP
//#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 "Albany_Layouts.hpp"

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

  public:

    Kinematics(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;

    PHX::MDField<ScalarT,Cell,QuadPoint,Dim,Dim> grad_u_;

    PHX::MDField<MeshScalarT,Cell,QuadPoint> weights_;
  
    PHX::MDField<ScalarT,Cell,QuadPoint,Dim,Dim> def_grad_;

    PHX::MDField<ScalarT,Cell,QuadPoint> j_;

    PHX::MDField<ScalarT,Cell,QuadPoint,Dim,Dim> vel_grad_;

    PHX::MDField<ScalarT,Cell,QuadPoint,Dim,Dim> strain_;

    std::size_t num_pts_;

    std::size_t num_dims_;

    bool weighted_average_;

    ScalarT alpha_;
  
    bool needs_vel_grad_;

    bool needs_strain_;

  };

}
#endif