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

// -------------------------------------------------------------------------
// ShpInf.h    -   this file contains methods for the general serendipity
//                 semi-infinite element shape.
// -------------------------------------------------------------------------
// Remarks:
// -------------------------------------------------------------------------
// The numbering scheme is:
//
//                    s
//                    ^
//                    |    (natural coord. system)
//                    |
//                    -----> r
//
//
//                             |
//                             |
//                             |
//                           3 +   INFINITE 3-noded
//                             |
//                             |
//                             |
//                           1 +--------+------------
//                                      2
//
//                                      or
//                     4                                   3
//        1 +----------+----------              1 +--------+------------
//          |                                     |
//          |                                     |
//          |                                     |
//          |   INFINITE 4-noded        or      4 +   INFINITE 5-noded
//          |                                     |
//          |                                     |
//          |                                     |
//        2 + ---------+----------              2 +--------+------------
//                     3                                   5
//
// -------------------------------------------------------------------------
//
// $Author: evandro $
// $Revision: 1.3 $
// $Date: 1999/04/12 14:58:25 $
// $State: Exp $
//
// -------------------------------------------------------------------------

#ifndef _SHPInfinite_H
#define _SHPInfinite_H

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

// -------------------------------------------------------------------------
// Infinite (Finite) Element Shape class:

class cShapeInfinite : public cPlaneShape
{
 public:
                 cShapeInfinite    ( void );
   virtual      ~cShapeInfinite    ( void );
           int   GetMapOrder       ( void ) { return 1; }
           void  MapFunc           ( sNatCoord *, double * );
           void  ShapeFunc         ( sNatCoord *, double * );
           void  DerivMapRST       ( sNatCoord *, sDerivNat * );
           void  DerivShpRST       ( sNatCoord *, sDerivNat * );
           int   GetEdge           ( int *, eShapeType *, int *, int * );
           int   GetFace           ( int *, eShapeType *, int *, int * );
           int   Read              ( void );
           void  GetNatCoordMapNode( sNatCoord * );

 private:
           void  GetInfNumNodes    ( void );
};

#endif

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