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PlasticHardening2D.h

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00001 // PlasticHardening2D.h
00002 //
00004 
00005 #if !defined PLASTICHARDENING2D_H
00006 #define PLASTICHARDENING2D_H
00007 
00008 #include "YS_Evolution2D.h"
00009 
00010 class PlasticHardening2D : public YS_Evolution2D
00011 {
00012 public:
00013     PlasticHardening2D(int tag, int classTag, double min_iso_factor, 
00014                                 double iso_ratio, double kin_ratio,
00015                                  PlasticHardeningMaterial &kpx_pos,
00016                                  PlasticHardeningMaterial &kpx_neg,
00017                                  PlasticHardeningMaterial &kpy_pos,
00018                                  PlasticHardeningMaterial &kpy_neg, double dir);
00019 
00020         virtual ~PlasticHardening2D();
00021         
00022         virtual int     commitState();
00023         virtual int             revertToLastCommit(void);
00024 
00025         virtual void    Print(OPS_Stream &s, int flag =0);
00026         virtual YS_Evolution *getCopy(void)=0;
00027         virtual const Vector &getEquiPlasticStiffness(void);
00028         double getTrialPlasticStrains(int dof);
00029         double getCommitPlasticStrains(int dof);
00030         
00031 protected:
00032         virtual void    setTrialPlasticStrains(double ep, const Vector &f, const Vector &g);
00033         virtual double  getIsoPlasticStiffness(int dir);
00034         virtual double  getKinPlasticStiffness(int dir);
00035         virtual Vector& getEvolDirection(Vector &f_new);
00036 
00037 protected:
00038 //      double minIsoFactor;
00039         PlasticHardeningMaterial  *kpMatXPos, *kpMatYPos;
00040         PlasticHardeningMaterial  *kpMatXNeg, *kpMatYNeg;
00041         bool defPosX, defPosY;
00042         double direction;
00043 //      bool pinchX;    
00044 };
00045 
00046 #endif

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