Panzer_ModelEvaluator_Epetra.hpp

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#ifndef PANZER_MODEL_EVALUATOR_EPETRA_HPP
#define PANZER_MODEL_EVALUATOR_EPETRA_HPP

#include "EpetraExt_ModelEvaluator.h"

#include "Epetra_Map.h"
#include "Epetra_Vector.h"
#include "Epetra_Comm.h"
#include "Epetra_CrsGraph.h"

#include "Teuchos_RCP.hpp"
#include "Teuchos_AbstractFactory.hpp"

#include "Panzer_Traits.hpp"
#include "Panzer_AssemblyEngine_TemplateManager.hpp"
#include "Panzer_ParameterLibrary.hpp"
#include "Panzer_ResponseLibrary.hpp"
#include "Panzer_ResponseMESupportBase.hpp"
#include "Panzer_BlockedEpetraLinearObjFactory.hpp"

#include "Thyra_VectorBase.hpp"

#include <tuple>
#include <vector>
#include <string>

namespace panzer {

  class FieldManagerBuilder;
  struct GlobalData;

  class ModelEvaluator_Epetra : public EpetraExt::ModelEvaluator {
  public:

    ModelEvaluator_Epetra(const Teuchos::RCP<panzer::FieldManagerBuilder>& fmb,
                          const Teuchos::RCP<panzer::ResponseLibrary<panzer::Traits> >& rLibrary,
        const Teuchos::RCP<panzer::LinearObjFactory<panzer::Traits> >& lof,
        const std::vector<Teuchos::RCP<Teuchos::Array<std::string> > >& p_names,
        const std::vector<Teuchos::RCP<Teuchos::Array<double> > >& p_values,
        const Teuchos::RCP<panzer::GlobalData>& global_data,
        bool build_transient_support);
    
    ModelEvaluator_Epetra(const Teuchos::RCP<panzer::FieldManagerBuilder>& fmb,
                          const Teuchos::RCP<panzer::ResponseLibrary<panzer::Traits> >& rLibrary,
        const Teuchos::RCP<panzer::BlockedEpetraLinearObjFactory<panzer::Traits,int> >& lof,
        const std::vector<Teuchos::RCP<Teuchos::Array<std::string> > >& p_names,
        const std::vector<Teuchos::RCP<Teuchos::Array<double> > >& p_values,
        const Teuchos::RCP<panzer::GlobalData>& global_data,
        bool build_transient_support);
    
    
    Teuchos::RCP<const Epetra_Map> get_x_map() const;
    Teuchos::RCP<const Epetra_Map> get_f_map() const;
    Teuchos::RCP<const Epetra_Vector> get_x_init() const;
    Teuchos::RCP<const Epetra_Vector> get_x_dot_init() const;
    double get_t_init() const;
    Teuchos::RCP<Epetra_Operator> create_W() const;
    Teuchos::RCP<const Epetra_Map> get_p_map(int l) const;
    Teuchos::RCP<const Teuchos::Array<std::string> > get_p_names(int l) const;
    Teuchos::RCP<const Epetra_Vector> get_p_init(int l) const;
    Teuchos::RCP<const Epetra_Map> get_g_map(int l) const;

    InArgs createInArgs() const;
    OutArgs createOutArgs() const;
    void evalModel( const InArgs& inArgs, const OutArgs& outArgs ) const;


    void set_t_init(double t);

    Teuchos::RCP<panzer::ResponseLibrary<panzer::Traits> > getResponseLibrary() const
    { return responseLibrary_; }

    
    int addDistributedParameter(const std::string name,
        const Teuchos::RCP<Epetra_Map>& global_map,
        const Teuchos::RCP<Epetra_Import>& importer,
        const Teuchos::RCP<Epetra_Vector>& ghosted_vector);

    template <typename ResponseEvaluatorFactory_BuilderT>
    int addResponse(const std::string & responseName,
                    const std::vector<WorksetDescriptor> & wkst_desc,
                    const ResponseEvaluatorFactory_BuilderT & builder);

    void buildResponses(
         const std::vector<Teuchos::RCP<panzer::PhysicsBlock> >& physicsBlocks,
         const panzer::EquationSetFactory & eqset_factory,
         const panzer::ClosureModelFactory_TemplateManager<panzer::Traits>& cm_factory,
         const Teuchos::ParameterList& closure_models,
         const Teuchos::ParameterList& user_data,
         const bool write_graphviz_file=false,
         const std::string& graphviz_file_prefix="")
    { responseLibrary_->buildResponseEvaluators(physicsBlocks,eqset_factory,cm_factory,closure_models,user_data,write_graphviz_file,graphviz_file_prefix); }

    void buildResponses(
         const std::vector<Teuchos::RCP<panzer::PhysicsBlock> >& physicsBlocks,
         const panzer::ClosureModelFactory_TemplateManager<panzer::Traits>& cm_factory,
         const Teuchos::ParameterList& closure_models,
         const Teuchos::ParameterList& user_data,
         const bool write_graphviz_file=false,
         const std::string& graphviz_file_prefix="")
    { responseLibrary_->buildResponseEvaluators(physicsBlocks,cm_factory,closure_models,user_data,write_graphviz_file,graphviz_file_prefix); }


    void setOneTimeDirichletBeta(const double & beta) const;

    void applyDirichletBCs(const Teuchos::RCP<Thyra::VectorBase<double> > & x,
                           const Teuchos::RCP<Thyra::VectorBase<double> > & f) const;

  private:

    // /////////////////////////////////////
    // Private methods

    void initializeEpetraObjs(panzer::BlockedEpetraLinearObjFactory<panzer::Traits,int> & lof);

    void initializeParameterVector(const std::vector<Teuchos::RCP<Teuchos::Array<std::string> > >& p_names,
                                   const std::vector<Teuchos::RCP<Teuchos::Array<double> > >& p_values,
           const Teuchos::RCP<panzer::ParamLib>& parameter_library);

    // /////////////////////////////////////
    // Private evaluation methods

    void evalModel_basic( const InArgs& inArgs, const OutArgs& outArgs ) const; 

    void evalModel_basic_g(AssemblyEngineInArgs ae_inargs,const InArgs & inArgs,const OutArgs & outArgs) const;

    void evalModel_basic_dgdx(AssemblyEngineInArgs ae_inargs,const InArgs & inArgs,const OutArgs & outArgs) const;

    void evalModel_basic_dfdp(AssemblyEngineInArgs ae_inargs,const InArgs & inArgs,const OutArgs & outArgs) const;

    bool required_basic_g(const OutArgs & outArgs) const;

    bool required_basic_dgdx(const OutArgs & outArgs) const;

    bool required_basic_dfdp(const OutArgs & outArgs) const;

    void copyEpetraIntoThyra(const Epetra_MultiVector& x, const Teuchos::Ptr<Thyra::VectorBase<double> > &thyraVec) const;
    void copyThyraIntoEpetra(const Thyra::VectorBase<double>& thyraVec, Epetra_MultiVector& x) const;

    // /////////////////////////////////////
    // Private member data
    
    Teuchos::RCP<const Epetra_Map>   map_x_;
    Teuchos::RCP<Epetra_Vector> x0_;
    Teuchos::RCP<Epetra_Vector> x_dot_init_;
    double t_init_;
    mutable Teuchos::RCP<Epetra_Vector> dummy_f_;    
    
    Teuchos::RCP<panzer::FieldManagerBuilder> fmb_;
    mutable panzer::AssemblyEngine_TemplateManager<panzer::Traits> ae_tm_;   // they control and provide access to evaluate

    // responses
    mutable Teuchos::RCP<panzer::ResponseLibrary<panzer::Traits> > responseLibrary_; // These objects are basically the same
    std::vector<Teuchos::RCP<const Epetra_Map> > g_map_;
    std::vector<std::string> g_names_;

    // parameters
    std::vector<Teuchos::RCP<Epetra_Map> > p_map_;
    std::vector<Teuchos::RCP<Epetra_Vector> > p_init_;

    std::vector<Teuchos::RCP<Teuchos::Array<std::string> > > p_names_;
    //Teuchos::RCP<panzer::ParamLib> parameter_library_;
    mutable Teuchos::Array<panzer::ParamVec> parameter_vector_;
    Teuchos::RCP<panzer::GlobalData> global_data_;
    bool build_transient_support_;

    std::vector<bool> is_distributed_parameter_;

    std::vector<std::tuple<std::string,int,Teuchos::RCP<Epetra_Import>,Teuchos::RCP<Epetra_Vector> > > distributed_parameter_container_;

    // basic specific linear object objects
    Teuchos::RCP<panzer::LinearObjFactory<panzer::Traits> > lof_;
    mutable Teuchos::RCP<LinearObjContainer> ghostedContainer_;

    Teuchos::RCP<Teuchos::AbstractFactory<Epetra_Operator> > epetraOperatorFactory_;

    mutable bool oneTimeDirichletBeta_on_;
    mutable double oneTimeDirichletBeta_;
  };

  // Inline definition of the add response (its template on the builder type)
  template <typename ResponseEvaluatorFactory_BuilderT>
  int ModelEvaluator_Epetra::
  addResponse(const std::string & responseName,
              const std::vector<WorksetDescriptor> & wkst_desc,
              const ResponseEvaluatorFactory_BuilderT & builder)
  {
     // see if the response evaluators have been constucted yet
     TEUCHOS_TEST_FOR_EXCEPTION(responseLibrary_->responseEvaluatorsBuilt(),std::logic_error,
                                "panzer::ModelEvaluator_Epetra::addResponse: Response with name \"" << responseName << "\" "
                                "cannot be added to the model evaluator because evalModel has already been called!");

     // add the response, and then push back its name for safe keeping
     responseLibrary_->addResponse(responseName,wkst_desc,builder);

     // check that the response can be found
     TEUCHOS_TEST_FOR_EXCEPTION(std::find(g_names_.begin(),g_names_.end(),responseName)!=g_names_.end(),std::logic_error,
                                "panzer::ModelEvaluator_Epetra::addResponse: Response with name \"" << responseName << "\" "
                                "has already been added to the model evaluator!");

     // handle panzer::Traits::Residual
     {
       // check that at least there is a response value
       Teuchos::RCP<panzer::ResponseBase> respBase = responseLibrary_->getResponse<panzer::Traits::Residual>(responseName);
       TEUCHOS_TEST_FOR_EXCEPTION(respBase==Teuchos::null,std::logic_error,
                                  "panzer::ModelEvaluator_Epetra::addResponse: Response with name \"" << responseName << "\" "
                                  "has no residual type! Not sure what is going on!");
  
       // check that the response supports interactions with the model evaluator
       Teuchos::RCP<panzer::ResponseMESupportBase<panzer::Traits::Residual> > resp = Teuchos::rcp_dynamic_cast<panzer::ResponseMESupportBase<panzer::Traits::Residual> >(respBase);
       TEUCHOS_TEST_FOR_EXCEPTION(resp==Teuchos::null,std::logic_error,
                                  "panzer::ModelEvaluator_Epetra::addResponse: Response with name \"" << responseName << "\" "
                                  "resulted in bad cast to panzer::ResponseMESupportBase<Residual>, the type of the response is incompatible!");
  
       // set the response in the model evaluator
       Teuchos::RCP<const Epetra_Map> eMap = resp->getMap();
       g_map_.push_back(eMap);
  
       // lets be cautious and set a vector on the response
       resp->setVector(Teuchos::rcp(new Epetra_Vector(*eMap)));
     }

     // handle panzer::Traits::Jacobian (do a quick safety check, response is null or appropriate for jacobian)
     Teuchos::RCP<panzer::ResponseBase> respJacBase = responseLibrary_->getResponse<panzer::Traits::Jacobian>(responseName);
     if(respJacBase!=Teuchos::null) {
       typedef panzer::Traits::Jacobian RespEvalT;

       // check that the response supports interactions with the model evaluator
       Teuchos::RCP<panzer::ResponseMESupportBase<RespEvalT> > resp = Teuchos::rcp_dynamic_cast<panzer::ResponseMESupportBase<RespEvalT> >(respJacBase);
       TEUCHOS_TEST_FOR_EXCEPTION(resp==Teuchos::null,std::logic_error,
                                  "panzer::ModelEvaluator_Epetra::addResponse: Response with name \"" << responseName << "\" "
                                  "resulted in bad cast to panzer::ResponseMESupportBase<Jacobian>, the type of the response is incompatible!");

       // setup the vector (register response as epetra)
       if(resp->supportsDerivative())
         resp->setDerivative(resp->buildEpetraDerivative());
     }

#ifdef Panzer_BUILD_HESSIAN_SUPPORT
     // handle panzer::Traits::Hessian (do a quick safety check, response is null or appropriate for jacobian)
     Teuchos::RCP<panzer::ResponseBase> respHesBase = responseLibrary_->getResponse<panzer::Traits::Hessian>(responseName);
     std::cout << "******************************************************" << std::endl;
     std::cout << "EPETRA DOING IT " << respHesBase << std::endl;
     std::cout << "******************************************************" << std::endl;
     if(respHesBase!=Teuchos::null) {
       typedef panzer::Traits::Hessian RespEvalT;

       // check that the response supports interactions with the model evaluator
       Teuchos::RCP<panzer::ResponseMESupportBase<RespEvalT> > resp = Teuchos::rcp_dynamic_cast<panzer::ResponseMESupportBase<RespEvalT> >(respHesBase);
       TEUCHOS_TEST_FOR_EXCEPTION(resp==Teuchos::null,std::logic_error,
                                  "panzer::ModelEvaluator_Epetra::addResponse: Response with name \"" << responseName << "\" "
                                  "resulted in bad cast to panzer::ResponseMESupportBase<Hessian>, the type of the response is incompatible!");

       // setup the vector (register response as epetra)
       if(resp->supportsDerivative())
         resp->setDerivative(resp->buildDerivative());
     }
#endif

     g_names_.push_back(responseName);

     return g_names_.size()-1;
  }

  Teuchos::RCP<ModelEvaluator_Epetra> 
  buildEpetraME(const Teuchos::RCP<FieldManagerBuilder>& fmb,
                const Teuchos::RCP<ResponseLibrary<panzer::Traits> >& rLibrary,
          const Teuchos::RCP<LinearObjFactory<panzer::Traits> >& lof,
          const std::vector<Teuchos::RCP<Teuchos::Array<std::string> > >& p_names,
          const std::vector<Teuchos::RCP<Teuchos::Array<double> > >& p_values,
    const Teuchos::RCP<panzer::GlobalData>& global_data,
          bool build_transient_support);
  
}

#endif