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YS_Evolution2D.h

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00001 //  YS_Evolution2D.h
00002 //
00004 
00005 #if !defined YS_EVOLUTION2D_H
00006 #define YS_EVOLUTION2D_H
00007 
00008 #include "YS_Evolution.h"
00009 #include "PlasticHardeningMaterial.h"
00010 
00011 class YS_Evolution2D : public YS_Evolution
00012 {
00013 public:
00014     YS_Evolution2D(int tag, int classTag,
00015                                                 double min_iso_factor,
00016                         double iso_ratio,
00017                                                 double kin_ratio);
00018 
00019         virtual ~YS_Evolution2D();
00020 
00021 //  Methods inherited
00022         virtual void    Print(OPS_Stream &s, int flag =0) =0;
00023         virtual YS_Evolution *getCopy(void) = 0;
00024     virtual Response *setResponse(char **argv, int argc, Information &info);
00025         virtual int     getResponse(int responseID, Information &info);
00026         virtual int      displaySelf(Renderer &theViewer, int displayMode, float fact);
00027         
00028         virtual int     update(int flag);
00029 
00030     virtual int         sendSelf(int commitTag, Channel &theChannel){return -1;}
00031     virtual int         recvSelf(int commitTag, Channel &theChannel,
00032                                         FEM_ObjectBroker &theBroker){return -1;}
00033 
00034         virtual int     commitState();
00035         virtual int             revertToLastCommit(void);
00036         virtual const   Vector &getEquiPlasticStiffness(void)=0;
00037 
00038         // no checks are performed
00039         virtual int     evolveSurface(YieldSurface_BC *ys, double magPlasticDefo, 
00040                                                                   Vector &G, Vector &F_Surface, int flag=0);
00041 
00042 protected:
00043         virtual void    setTrialPlasticStrains(double ep, const Vector &f, const Vector &g)=0;
00044         virtual double getIsoPlasticStiffness(int dir)=0;
00045         virtual double getKinPlasticStiffness(int dir)=0;
00046         virtual Vector& getEvolDirection(Vector &f_new)=0;
00047 
00048 protected:
00049 //      double sumPlasticDeformX, sumPlasticDeformX_hist;
00050 //      double sumPlasticDeformY, sumPlasticDeformY_hist;
00051         bool   softening;
00052         static Vector v2;
00053         double minIsoFactor;
00054         YieldSurface_BC *tmpYSPtr;
00055 };
00056 
00057 #endif
00058

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