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YieldFunction.cpp

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00001 
00002 //   COPYLEFT (C): Woody's viral GPL-like 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 //
00012 // COPYRIGHT (C):     :-))
00013 // PROJECT:           Object Oriented Finite Element Program
00014 // FILE:              
00015 // CLASS:             
00016 // MEMBER FUNCTIONS:
00017 //
00018 // MEMBER VARIABLES
00019 //
00020 // PURPOSE:           
00021 //
00022 // RETURN:
00023 // VERSION:
00024 // LANGUAGE:          C++
00025 // TARGET OS:         
00026 // DESIGNER:          Zhao Cheng, Boris Jeremic
00027 // PROGRAMMER:        Zhao Cheng, 
00028 // DATE:              Fall 2005
00029 // UPDATE HISTORY:    
00030 //
00032 //
00033 
00034 #ifndef YieldFunction_CPP
00035 #define YieldFunction_CPP
00036 
00037 #include "YieldFunction.h"
00038 
00039 double YieldFunction::InScalarDerivative(const stresstensor& Stre, 
00040                                          const MaterialParameter &MaterialParameter_in, 
00041                                          int which) const
00042 {
00043     return 0.0;
00044 }
00045 
00046 const stresstensor& YieldFunction::InTensorDerivative(const stresstensor& Stre, 
00047                                                       const MaterialParameter &MaterialParameter_in, 
00048                                                       int which) const
00049 {
00050     // Just for compiling
00051     static stresstensor ZStre;
00052     return ZStre;
00053 }
00054 
00055 //int YieldFunction::getTensionOrCompressionType() const
00056 //{
00057 //    // if No Tensile allowed, return 1;
00058 //    // By default, return 0;
00059 //    return 0;
00060 //}
00061 
00062 #endif
00063

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