F.D.+E. Cyclic Stress-Strain Model from U.Waterloo Calc. Site

# #F.D.+E. Cyclic Stress-Strain Model from U.Waterloo Calc. Site # #

F.D.+E. pdStressStrain.f from UoWaterloo Calc. Site

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#

Your material file (its a Digital-Fitted Curve. Replace it with your own if you wish): #


#
#Copyright (C) 2011  F.A.Conle
#This data file is free software - you can redistribute it and/or
#modify it under the terms of the GNU General Public License as
#published by the Free Software Foundation; either version 2 of the
#license, or (at your option) any later version.
#This data file is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY - without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#GNU General PUblic License for more details.
#You should have received a copy of the GNU General PUblic License
#along with this program - if not, write to the Free Software
#Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
#Try also their web site: http://www.gnu.org/copyleft/gpl.html
#
# Note: Fitted data curve!
# Cast Alum 319, Low Gas and High Gas     Merged file
# 5.9%wt Si, 3.4Cu 0.07Cr .38Mn .25Mg .91Fe .07Ni
# Sources: The data points were digitized from graphs in the papers:
# A.A.Dabayeh, et al, "Fatigue of cast aluminum alloys under constant and
# variable-amplitude loading," Int.J.Fat. V18 N2 pp.95-104 1996.
# A.A.Dabayeh, et al, "An experimental study of the effect of a flaw at a
# notch root on the fatigue life of cast Al 319," Int.J.Fat. V20 N7
# pp.517-530 1998.
# Note: Data may contain errors from digitization process.
#saedigcurve_v2.2.f starts.
#
#FileType= strain_life
#DataType= fitted
#TIMEcol= 0
#NAME=  319
#NAME=  CastAluminum
#NAME=  Low+HiGas
#NAME=  merged
#Stress_units= mpa
#Strain_units= strain
#Su=       147. mpa
#eu=     .0106
#Sy=       196. mpa
#E=      69170.  #assume Low Gas value for merged file
#FractureStrain= 0.0106
#FractureStress=  196.
#BHN=   0.
#
#_NOTE!! The Following Points are <b>FITTED DATA:</b>#NOTE!! Fitted Stress computed using Experm. K' and n'
#_Total Strain   2Nf  Stress  Mean   Plastic Strain   Initial
#_   Amp               Amp   Stress      Amp        Elastic Mod.
 0.0106             1   196.     0       .0078      69170  #Tensile test added
#   0.00828          1   184.2      0.   0.00562     69170. #Fitted_point
   0.00553         12   180.4      0.   0.00293     69170. #Fitted_point manually
   0.00490         32   179.0      0.   0.00231     69170. #Fitted_point manually
   0.00407        150   176.6      0.   0.00152     69170. #Fitted_point manually
   0.00329       1000   172.9      0.   0.00079     69170. #Fitted_point
   0.00300       2000   170.8      0.   0.00053     69170. #Fitted_point
   0.00266       5000   166.7      0.   0.00025     69170. #Fitted_point
   0.00243      10000   161.5      0.   0.00009     69170. #Fitted_point
   0.00222      20000   152.3      0.   0.00001     69170. #Fitted_point
   0.00197      37000   135.9      0.   0.00000     69170. #Fitted_point manually
   0.00180      64000   124.2      0.   0.00000     69170. #Fitted_point manually
  0.00149      194835    101      0   .0000       69170    #Raw
   0.00108    1000000   74.7       0.    .0         69170. #Fitted_point manually
   0.00090    5000000   62.4       0.    .0         69170. #Fitted_point manually
   0.00085   30000000   59.        0.    .0         69170. #Fitted_point manually

#

#MagFactor= # Enter your Strain Reversal Points:

Simulate:

#TOTDAM(SWT)=  0.0000000E+00 allowed Repeats=      inf   nrev=         1