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) 2012  F.D.E. Committee
#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 !!
# Nodular Iron BS420/12  SAE D4512 ASTM-65-45-12 machined surfaces
# From axle housings of 7 different suppliers.
# Paper also shows surface cut specimens (results not included here).
# Ref.: M.S.Starkey and P.E.Irving, "A comparison of the fatigue strength
#  of machined and as-cast surfaces of SG iron", Int.J.Fat., July 1982 pp.129-136
# Data digitized from graphs and probably contains errors.
#
#FileType= strain_life
#DataType= fitted
#TIMEcol= 0
#NAME=  SAE-D4512
#NAME=  BS420-12
#NAME=  NodularFe
#Name=  Iron
#Stress_units= mpa
#Strain_units= strain
#Sy=     300.  0.2pc offset = 44 ksi
#Su=     445
#eu=       0   #strain at Su not reported
#E= 174800. mpa  =25370 ksi
#FractureStrain= 0  not reported
#FractureStress=  0. not reported
#monotonic_K= 0  not reported
#monotonic_n= 0  not reported
#BHN= 0.
#%RA= 0. %  not reported
#saedigcurve_v2.2.f starts.
#NOTE!! The Following Points are <b>FITTED DATA:</b>#NOTE!! Fitted Stress computed using Experm. K' and n'
#StrAmpl     2Nf  StsAmpl So  PlasStrAmpl IniMod   NeuberStressAmpl
   0.10588          1   560.8      0.   0.10267    174800. #Fitted_point
   0.01352         50   462.5      0.   0.01088    174800. #Fitted_point
   0.00992        100   447.2      0.   0.00736    174800. #Fitted_point
   0.00747        200   432.6      0.   0.00499    174800. #Fitted_point
   0.00538        500   414.2      0.   0.00301    174800. #Fitted_point
   0.00435       1000   400.9      0.   0.00206    174800. #Fitted_point
   0.00363       2000   388.2      0.   0.00141    174800. #Fitted_point
   0.00299       5000   372.1      0.   0.00086    174800. #Fitted_point
   0.00266      10000   360.4      0.   0.00060    174800. #Fitted_point
   0.00240      20000   348.9      0.   0.00041    174800. #Fitted_point
   0.00216      50000   334.0      0.   0.00024    174800. #Fitted_point
   0.00201     100000   322.6      0.   0.00016    174800. #Fitted_point
   0.00189     200000   311.1      0.   0.00011    174800. #Fitted_point
   0.00175     500000   295.8      0.   0.00006    174800. #Fitted_point
   0.00166     720000   284.1      0.   0.00004    174800. #Fitted_point manually
   0.00158    1000000   272.6      0.   0.00002    174800. #Fitted_point manually
   0.00149    1600000   257.7      0.   0.00001    174800. #Fitted_point manually
   0.00142    2000000   246.8      0.   0.00001    174800. #Fitted_point manually
   0.00136    2500000   236.3      0.   0.00000    174800. #Fitted_point manually
 0.00115      4100000   201        0.   0.00000    174800. #Fitted_point manually
 0.0011      20000000   192.3      0.   0.00000    174800. #Fitted_point manually

#

#MagFactor= # Enter your Strain Reversal Points:

Simulate:

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