OpenSees » SRC » material » nD » FiniteDeformation

NeoHookeanWEnergy.h

Go to the documentation of this file.
00001 //===============================================================================
00002 //# COPYRIGHT (C): Woody's license (by BJ):
00003 //                 ``This    source  code is Copyrighted in
00004 //                 U.S.,  for  an  indefinite  period,  and anybody
00005 //                 caught  using it without our permission, will be
00006 //                 mighty good friends of ourn, cause we don't give
00007 //                 a  darn.  Hack it. Compile it. Debug it. Run it.
00008 //                 Yodel  it.  Enjoy it. We wrote it, that's all we
00009 //                 wanted to do.''
00010 //
00011 //# PROJECT:           Object Oriented Finite Element Program
00012 //# PURPOSE:           Finite Deformation Hyper-Elastic classes
00013 //# CLASS:
00014 //#
00015 //# VERSION:           0.6_(1803398874989) (golden section)
00016 //# LANGUAGE:          C++
00017 //# TARGET OS:         all...
00018 //# DESIGN:            Zhao Cheng, Boris Jeremic (jeremic@ucdavis.edu)
00019 //# PROGRAMMER(S):     Zhao Cheng, Boris Jeremic
00020 //#
00021 //#
00022 //# DATE:              19AUg2003
00023 //# UPDATE HISTORY:    28May2004
00024 //#
00025 //#
00026 /**********************************************************************/
00027 /*   //=============================================================  */
00028 /*   ==================                                               */
00029 /**********************************************************************/
00030 
00031 #ifndef NeoHookeanWEnergy_H
00032 #define NeoHookeanWEnergy_H
00033 
00034 #include <Vector.h>
00035 #include <Tensor.h>
00036 #include <OPS_Globals.h>
00037 #include <W.h>
00038 
00039 
00040 class NeoHookeanWEnergy : public WEnergy
00041 {
00042   private:
00043         double K;
00044         double G;
00045   public:
00046     NeoHookeanWEnergy(double , double  );
00047     NeoHookeanWEnergy( );
00048     ~NeoHookeanWEnergy( );
00049     WEnergy *newObj( );
00050 
00051      const double wE(const double &, const Vector &)  ;
00052      const Vector disowOdlambda(const Vector &l)  ;
00053      const Vector d2isowOdlambda2(const Vector &)  ;
00054 //   const tensor d2isowOdlambda1dlambda2(const Vector &) const ;
00055      const double dvolwOdJ(const double &)  ;
00056      const double d2volwOdJ2(const double &)  ;
00057 
00058 };
00059 
00060 #endif
00061

Generated on Mon Oct 23 15:05:14 2006 for OpenSees by doxygen 1.5.0