Panzer_STK_CustomMeshFactory.hpp

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//           Panzer: A partial differential equation assembly
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#ifndef __Panzer_STK_CustomMeshFactory_hpp__
#define __Panzer_STK_CustomMeshFactory_hpp__

#include <Panzer_Traits.hpp> // for panzer::GlobalOrdinal
#include <Panzer_STK_MeshFactory.hpp>
#include <Panzer_STK_Interface.hpp>

namespace panzer_stk {

  class STK_Interface;

  class CustomMeshFactory : public STK_MeshFactory {
  public:
    CustomMeshFactory();

    virtual ~CustomMeshFactory();

    Teuchos::RCP<STK_Interface> buildMesh(stk::ParallelMachine parallelMach) const;

    virtual Teuchos::RCP<STK_Interface> buildUncommitedMesh(stk::ParallelMachine parallelMach) const;
    virtual void completeMeshConstruction(STK_Interface & mesh,stk::ParallelMachine parallelMach) const;

    void setParameterList(const Teuchos::RCP<Teuchos::ParameterList> & paramList);

    Teuchos::RCP<const Teuchos::ParameterList> getValidParameters() const;

  protected:
    void initializeWithDefaults();

    void buildMetaData(STK_Interface & mesh) const;

    void buildElements(STK_Interface & mesh) const;
    void addSideSets(STK_Interface & mesh) const;

    void fillSolutionFieldData(STK_Interface & mesh) const;

    int Dimension_;

    int NumBlocks_;

    int NumNodesPerProc_;
    int *Nodes_;

    double *Coords_;

    int NumElementsPerProc_;
    int *BlockIDs_;
    int *Element2Nodes_;

    int OffsetToGlobalElementIDs_;

    double *ChargeDensity_;
    double *ElectricPotential_;

    // wrapper for 
    struct FieldContainer {
      std::size_t _dim0, _dim1;
      double *_buffer;

      FieldContainer(const std::size_t dim0, const std::size_t dim1, double *buffer) 
        : _dim0(dim0), _dim1(dim1), _buffer(buffer) { }

      // row-major indexing: Intrepid2_FieldContainerDef.hpp
      double operator()(const std::size_t i, 
                        const std::size_t j) const { return _buffer[i*_dim1+j]; }

      double& operator()(const std::size_t i, 
                         const std::size_t j) { return _buffer[i*_dim1+j]; }
      
    };

    mutable unsigned int machRank_, machSize_;
  };

}

#endif