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fdEvolution_S.h

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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:              July 2004
00023 //# UPDATE HISTORY:
00024 //#
00025 //===============================================================================
00026 
00027 #ifndef fdEvolution_S_H
00028 #define fdEvolution_S_H 
00029 
00030 #include <stresst.h>
00031 #include <straint.h>
00032 #include <math.h>
00033 
00034 #include <FDEPState.h>
00035 
00036 class fdEvolution_S
00037 {
00038  public:
00039     
00040     fdEvolution_S() {};
00041     virtual ~fdEvolution_S() {};
00042 
00043     virtual fdEvolution_S *newObj();
00044     
00045     // Derivative of stress like hardening variable to strain like variable
00046     virtual double HModulus(const stresstensor &sts, const FDEPState &fdepstate) const;  
00047 
00048     void print();
00049 
00050     friend OPS_Stream& operator<< (OPS_Stream& os, const fdEvolution_S & ev);
00051 
00052 };
00053 
00054 
00055 #endif

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