J:/Tecgraf/prj/femoop/trunk/shp/shpline2.h

// -------------------------------------------------------------------------
// ShpLine2.h  -  this file contains class definitions for the 2-noded
//                line finite element shape.
// -------------------------------------------------------------------------
// Remarks:
// -------------------------------------------------------------------------
// The numbering scheme is:
//
//                    s
//                    ^
//                    |    (natural coord. system)
//                    |
//                    -----> r
//
//            1 +-----------+ 2
//                  LINE2
//
// -------------------------------------------------------------------------
//
// $Author: evandro $
// $Revision: 1.3 $
// $Date: 1999/04/12 14:58:25 $
// $State: Exp $
//
// -------------------------------------------------------------------------

#ifndef _SHPLINE2_H
#define _SHPLINE2_H

#include "gbldefs.h"
#include "shpline.h"

// ------------------------------------------------------------------------
// Line2 (Finite) Element Shape class:
//
class cShapeLine2 : public virtual cLine2D
{
 public:
                cShapeLine2      ( void );
  virtual      ~cShapeLine2      ( void );
          int  GetMapOrder       ( void ) { return 1; }
  virtual void MapFunc           ( sNatCoord *, double * );
  virtual void ShapeFunc         ( sNatCoord *, double * );
  virtual void DerivMapRST       ( sNatCoord *, sDerivNat * );
  virtual void DerivShpRST       ( sNatCoord *, sDerivNat * );
  virtual int  GetEdge           ( int *, eShapeType *, int *, int * );
  virtual int  GetFace           ( int *, eShapeType *, int *, int * )
                                 { return FALSE; }
  virtual void GetNatCoordMapNode( sNatCoord * );
};

// ------------------------------------------------------------------------
// Three-dimensinal Line2 (Finite) Element Shape class:
//
class cShape3DLine2 : public virtual cLine3D,
                      public virtual cShapeLine2
{
 public:
               cShape3DLine2( void );
  virtual     ~cShape3DLine2( void );
  virtual int GetEdge       ( int *, eShapeType *, int *, int * );
};

#endif

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