OpenSees » SRC » material » nD » NewTemplate3Dep

YieldFunction.h

Go to the documentation of this file.
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 #ifndef YieldFunction_H
00034 #define YieldFunction_H
00035 
00036 #include <stresst.h>
00037 #include "MaterialParameter.h"
00038 
00039 class YieldFunction
00040 {
00041   public:    
00042 
00043     virtual ~YieldFunction() {};
00044     virtual YieldFunction *newObj() = 0;
00045   
00046     virtual double YieldFunctionValue(const stresstensor &Stre, 
00047                                       const MaterialParameter &MaterialParameter_in) const = 0;
00048                      
00049     virtual const stresstensor& StressDerivative(const stresstensor &Stre, 
00050                                                  const MaterialParameter &MaterialParameter_in) const = 0;
00051     
00052     virtual double InScalarDerivative(const stresstensor& Stre, 
00053                                       const MaterialParameter &MaterialParameter_in, 
00054                                       int which) const;
00055                                    
00056     virtual const stresstensor& InTensorDerivative(const stresstensor& Stre, 
00057                                                    const MaterialParameter &MaterialParameter_in, 
00058                                                    int which) const;
00059 
00060     //virtual int getTensionOrCompressionType() const;
00061 
00062     virtual int getNumInternalScalar() const = 0;
00063     virtual int getNumInternalTensor() const = 0;
00064     virtual int getYieldFunctionRank() const = 0;    
00065     
00066 };
00067 
00068 
00069 #endif
00070

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