DruckerPragerModel.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  //
//*****************************************************************//

#if !defined(LCM_DruckerPragerModel_hpp)
#define LCM_DruckerPragerModel_hpp

#include <Intrepid_MiniTensor.h>
#include "Phalanx_ConfigDefs.hpp"
#include "Phalanx_Evaluator_WithBaseImpl.hpp"
#include "Phalanx_Evaluator_Derived.hpp"
#include "Phalanx_MDField.hpp"
#include "Albany_Layouts.hpp"
#include "LCM/models/ConstitutiveModel.hpp"

#include "Sacado.hpp"

namespace LCM
{


template<typename EvalT, typename Traits>
class DruckerPragerModel: public LCM::ConstitutiveModel<EvalT, Traits>
{

public:

  typedef typename EvalT::ScalarT ScalarT;
  typedef typename EvalT::MeshScalarT MeshScalarT;
  typedef typename Sacado::mpl::apply<FadType,ScalarT>::type DFadType;

  using ConstitutiveModel<EvalT, Traits>::num_dims_;
  using ConstitutiveModel<EvalT, Traits>::num_pts_;
  using ConstitutiveModel<EvalT, Traits>::field_name_map_;

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

  virtual
  ~DruckerPragerModel()
  {};

  virtual
  void
  computeState(typename Traits::EvalData workset,
      std::map<std::string, Teuchos::RCP<PHX::MDField<ScalarT> > > dep_fields,
      std::map<std::string, Teuchos::RCP<PHX::MDField<ScalarT> > > eval_fields);

private:

  DruckerPragerModel(const DruckerPragerModel&);

  DruckerPragerModel& operator=(const DruckerPragerModel&);
    
  RealType a0_, a1_, a2_, a3_, b0_;
  
  RealType Cf_, Cg_;
  
  void
  ResidualJacobian(std::vector<ScalarT> & X,
    std::vector<ScalarT> & R, std::vector<ScalarT> & dRdX,
    const ScalarT ptr, const ScalarT qtr, const ScalarT eqN,
    const ScalarT mu, const ScalarT kappa);

};
}

#endif