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VM_PF.h

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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 #ifndef VM_PF_H
00034 #define VM_PF_H
00035 
00036 #include "PlasticFlow.h"
00037 #include <math.h>
00038 
00039 class VM_PF : public PlasticFlow
00040 {
00041   public:   
00042     VM_PF(int alpha_which = -1, int index_alpha_in = 0);
00043     
00044     ~VM_PF();
00045          
00046     PlasticFlow* newObj();
00047    
00048     const straintensor& PlasticFlowTensor(const stresstensor& Stre, 
00049                                           const straintensor& Stra, 
00050                                           const MaterialParameter &MaterialParameter_in) const;
00051 
00052   private:
00053   
00054     const stresstensor& getalpha(const MaterialParameter &MaterialParameter_in) const; 
00055 
00056   private:
00057     
00058     int alpha_which;
00059     int index_alpha;   
00060     
00061     static straintensor VMm;
00062     static stresstensor VMb;
00063 };
00064 
00065 
00066 #endif
00067

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