J:/Tecgraf/prj/femoop/trunk/shp/shptria3.h

// -------------------------------------------------------------------------
// ShpTria3.h  -   this file contains methods for the 3-noded tri-linear
//                 triangle finite element shape.
// -------------------------------------------------------------------------
// Remarks:
// -------------------------------------------------------------------------
// The numbering scheme is as follows:
//
//                    s
//                    ^
//                    |    (natural coord. system)
//                    |
//                    -----> r
//
//                        3 +
//                          |\
//                          | \
//                          |  \
//                          |   \ TRIA3
//                          |    \
//                        1 +-----+ 2
//
// -------------------------------------------------------------------------
//
// $Author: evandro $
// $Revision: 1.3 $
// $Date: 1999/04/12 14:58:25 $
// $State: Exp $
//
// -------------------------------------------------------------------------

#ifndef _SHPTRIA3_H
#define _SHPTRIA3_H

#include "gbldefs.h"
#include "shpplane.h"

// -------------------------------------------------------------------------
// Tria3 (Finite) Element Shape class
//
class cShapeTria3 : public virtual cPlaneShape
{
 public:
                cShapeTria3        ( void );
  virtual      ~cShapeTria3        ( void );
          int   GetMapOrder        ( void ) { return 1; }
          void  DerivMapRST        ( sNatCoord *, sDerivNat * );
          void  DerivShpRST        ( sNatCoord *, sDerivNat * );
          int   GetEdge            ( int *, eShapeType *, int *, int * );
          int   GetFace            ( int *, eShapeType *, int *, int * );
          void  MapFunc            ( sNatCoord *, double * );
          void  ShapeFunc          ( sNatCoord *, double * );
          void  GetNatCoordMapNode ( sNatCoord * );
          void  PolFunc            ( sNodeCoord *, double * );
          void  DerivPolFunc       ( sNodeCoord *, sDerivCart * );
          void  SupPolFunc         ( sNodeCoord *, double * );
          void  DerivSupPolFunc    ( sNodeCoord *, sDerivCart * );
          int   VerCorNode         ( int );
          int   VerEdgeNode        ( int, int ) { return 0; }
};

#endif

---