Femoop: J:/Tecgraf/prj/femoop/trunk/elc/elcparam.h Source File

00001 // -------------------------------------------------------------------------
00002 // ElcParam.h - This header file contains methods for iso-parametric
00003 //              finite element classes.
00004 // -------------------------------------------------------------------------
00005 //
00006 // $Author: evandro $
00007 // $Revision: 1.4 $
00008 // $Date: 2000/04/05 13:36:04 $
00009 // $State: Exp $
00010 //
00011 // -------------------------------------------------------------------------
00012 
00013 #ifndef _ELCPARAM_H
00014 #define _ELCPARAM_H
00015 
00016 #include "element.h"
00017 
00018 // -------------------------------------------------------------------------
00019 // Definition of a Parametric Element Class:
00020 //
00021 class cElcParam : public cElement
00022 {
00023  public:
00024                     cElcParam         ( eShapeType );
00025                     cElcParam         ( eShapeType, cAnModel * );
00026   virtual          ~cElcParam         ( void );
00027   virtual  void     ReadElmLabels     ( eShapeType );
00028   virtual  int      ThermalEffects    ( void ) { return 1; }
00029   virtual  double   Thickness         ( void ) { return _dThickness; }
00030   virtual  double   GetVol            ( void );
00031   virtual  void     Stiffness         ( double * );
00032   virtual  void     GeoStiffness      ( double * );
00033   virtual  int      InternalForce     ( double * );
00034   virtual  void     CalcIntPtStress   ( void );
00035   virtual  void     NodeStress        ( sTensor * );
00036   virtual  void     Extrapolate       ( double **, double ** );
00037   virtual  void     StrainVector      ( double *, double *, double * );
00038   virtual  void     NormTensor        ( sTensor *, double * );
00039   virtual  void     PMatrix           ( sNodeCoord *, double ** );
00040   virtual  void     BPMatrix          ( double ** );
00041   virtual  double   DsaVolumeAm       ( sNodeCoord * );
00042   virtual  void     DsaIntForceAm     ( sNodeCoord *, double * );
00043   virtual  void     DsaStiffMatAm     ( sNodeCoord *, double *, double * );
00044   virtual  void     DsaGeoStiffAm     ( sNodeCoord *, double *, double *,
00045                                         double * );
00046   virtual  void     DsaStressAm       ( int, sNodeCoord *, double *,
00047                                         double ** );
00048 
00049  protected:
00050            void     CreateElement     ( eShapeType );
00051            void     Strain            ( double **, double *, double * );
00052            void     TRMatrix          ( void );
00053            void     LSMatrix          ( void );
00054            void     GetSamCoord       ( cNode *, int, double, double *,
00055                                         sNodeCoord * );
00056   virtual  int      GetSurfTemp       ( double *, double * );
00057   virtual  int      GetStrnTemp       ( double *, double * );
00058   virtual  void     BMatrix           ( sNatCoord *, sNodeCoord *, double *,
00059                                         double *, double ** );
00060   virtual  void     BnlMatrix         ( sNatCoord *, sNodeCoord *,
00061                                         double *, double ** );
00062   virtual  void     DsaDerBMatrix     ( sNatCoord *, sNodeCoord *, double *,
00063                                         sNodeCoord *, double *, double ** );
00064   virtual  void     DsaDerBnlMatrix   ( sNatCoord *, sNodeCoord *,
00065                                         sNodeCoord *, double *, double ** );
00066 };
00067 
00068 // -------------------------------------------------------------------------
00069 // Definition of a Parametric Element Class/Total Lagragian analysis:
00070 //
00071 class cElcParamTL : public cElcParam
00072 {
00073  public:
00074                     cElcParamTL       ( eShapeType );
00075                     cElcParamTL       ( eShapeType, cAnModel * );
00076                    ~cElcParamTL       ( void ) { }
00077            int      GeoNonLinear      ( void ) { return 1; }
00078            void     Stiffness         ( double * );
00079            int      InternalForce     ( double * );
00080            void     CalcIntPtStress   ( void );
00081            void     DsaIntForceAm     ( sNodeCoord *, double * );
00082            void     DsaStiffMatAm     ( sNodeCoord *, double *, double * );
00083            void     DsaStressAm       ( int, sNodeCoord *, double *,
00084                                         double ** );
00085 
00086  protected:
00087            void     GreenStrain       ( double **, double **, double *,
00088                                         double * );
00089            void     BlMatrix          ( sNatCoord *, sNodeCoord *,
00090                                         double *, double *, double ** );
00091            void     DsaDerBlMatrix    ( sNatCoord *, sNodeCoord *, double *,
00092                                         sNodeCoord *, double *, double ** );
00093 };
00094 
00095 #endif
00096