TAPsFEMElement.hpp

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/******************************************************************************
TAPsFEMElement.hpp
******************************************************************************/
/******************************************************************************
SUKITTI PUNAK   (12/15/2009)
UPDATE          (03/19/2010)
******************************************************************************/
#ifndef TAPs_FEM_ELEMENT_HPP
#define TAPs_FEM_ELEMENT_HPP

#include "../Core/TAPsLib.hpp"

BEGIN_NAMESPACE_TAPs__FEM
//=============================================================================
template <typename T>
class Element {
//=============================================================================
public:
    // Member Functions -------------------------------------------------------
    friend std::ostream & operator<< ( std::ostream &output, Element<T> const &obj )
    {
        output << obj.StrInfo();
        return output;
    }
    //-------------------------------------------------------------------------
    Element ( 
        std::vector< Vector3<T> > * deformedNodes,      
        std::vector< Vector3<T> > * undeformedNodes,    
        T _YoungModulus,    
        T _PoissonRatio     
    );
    //Element ( Element<T> const &orig );
    virtual ~Element ();
    //-------------------------------------------------------------------------
    virtual std::string StrInfo () const = 0;
    //-------------------------------------------------------------------------
    //Element<T> & operator= ( Element<T> const &orig ) = 0;

    //-------------------------------------------------------------------------
    // Operations

    virtual inline Vector3<T> * const DeformedNode ( unsigned int i ) = 0;

    virtual inline Vector3<T> * const UndeformedNode ( unsigned int i ) = 0;


    //inline virtual void ResetToDeformedState () = 0;

    inline virtual void ResetToUndeformedState () = 0;

    virtual inline T    CalDeformedVolume () const = 0;

    virtual inline T    CalUndeformedVolume () = 0;

    virtual void UpdateStrainDisplacementMatrixElements () = 0;

    virtual void UpdateStiffnessMatrixElements () = 0;

    //-------------------------------------------------------------------------

    T   GetYoungModulus () const    { return YoungModulus; }
    // Get Young's modulus
    inline void SetYoungModulus ( T t );

    T   GetPoissonRatio () const    { return PoissonRatio; }
    // Get Poisson's ratio
    inline void SetPoissonRatio ( T t );

    void UpdateElasticMatrixElements ();

    //-------------------------------------------------------------------------

    // Data Members -----------------------------------------------------------
//=============================================================================
protected:
    // Member Functions -------------------------------------------------------

    // Data Members -----------------------------------------------------------

    // Element's properties
    T   Volume; 
    T   YoungModulus;   
    T   PoissonRatio;   
    T   Ee; 
    T   Ef; 
    T   Eg; 

    // Links to global mesh
    std::vector< Vector3<T> > * pU; 
    std::vector< Vector3<T> > * pX; 

//=============================================================================
private:
    // Member Functions -------------------------------------------------------
    // Data Members -----------------------------------------------------------
//=============================================================================

#if defined(__gl_h_) || defined(__GL_H__)
public:
    virtual void Draw () = 0;

    virtual void DrawUndeformedMesh () = 0;

    virtual void DrawDeformedMesh () = 0;
#endif

//=============================================================================
}; // END CLASS Element
//=============================================================================
END_NAMESPACE_TAPs__FEM
//-----------------------------------------------------------------------------
#include "TAPsFEMElement.cpp"

// Include definition if TAPs_USE_EXPORT is not defined
//#if !defined( TAPs_USE_EXPORT )
//  #include "TAPsFEMElement.cpp"
//#endif
//-----------------------------------------------------------------------------
#endif
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