OpenSees » SRC » material » yieldSurface » plasticHardeningMaterial

PlasticHardeningMaterial.cpp

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00001 //
00002 //
00004 
00005 #include "PlasticHardeningMaterial.h"
00006 #include <math.h>
00007 
00008 #define evolDebug 0
00010 // Construction/Destruction
00012 
00013 PlasticHardeningMaterial::PlasticHardeningMaterial(int tag, int classTag)
00014 :Material(tag, classTag), val_hist(0), val_trial(0),
00015  sFactor(1.0), residual(1.0)
00016 {
00017 }
00018 
00019 PlasticHardeningMaterial::~PlasticHardeningMaterial()
00020 {
00021 
00022 }
00023 
00024 int PlasticHardeningMaterial::setTrialValue(double xVal, double factor)
00025 {
00026         sFactor = factor;
00027         val_trial = xVal;
00028         if(val_trial < 0) val_trial = 0;
00029         return 0;       
00030 }
00031 
00032 double PlasticHardeningMaterial::getTrialValue(void)
00033 {
00034         return val_trial;
00035 }
00036 
00037 int PlasticHardeningMaterial::setTrialIncrValue(double dxVal)
00038 {
00039         sFactor = 1.0;
00040         val_trial = val_hist + dxVal;
00041         if(val_trial < 0) val_trial = 0;
00042         return 0;       
00043 }
00044 
00045 
00046 void PlasticHardeningMaterial::setResidual(double res)
00047 {
00048         residual = res;
00049 }
00050 
00051 int PlasticHardeningMaterial::commitState ()
00052 {
00053         val_hist = val_trial;
00054         sFactor = 1.0;
00055         //cerr << "------ Ep value = " <<  val_hist << endln;
00056         return 0;       
00057 }
00058 
00059 int PlasticHardeningMaterial::revertToLastCommit (void)
00060 {
00061         val_trial = val_hist;
00062         return 0;       
00063 }
00064 
00065 int PlasticHardeningMaterial::revertToStart (void)
00066 {
00067         val_trial = 0;
00068         val_hist = 0;
00069         return 0;       
00070 }
00071 
00072 
00073 Response *PlasticHardeningMaterial::setResponse (char **argv, int argc, Information &matInformation)
00074 {
00075         return 0;
00076 }
00077 
00078 int PlasticHardeningMaterial::getResponse (int responseID, Information &matInformation)
00079 {
00080         return -1;
00081 }
00082 
00083 void PlasticHardeningMaterial::Print(OPS_Stream &s, int flag)
00084 {
00085         s << "+Plastic Material: " << getTag() << endln;
00086         s << "|  sFactor =  " << sFactor << endln;
00087         s << "|  val_hist = " << val_hist << ", val_trial = " << val_trial << endln;
00088         return;
00089 }
00090 
00091

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