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 Fatigue Design + Evaluation Comm.
#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 MERCHANTA-
#BILITY 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 !!
# of a Merged Data File.   AA7075_T6xx Aluminum Wrought
# Ref.1:  M.Sc. Thesis by P. Kurath Univ. of Illinois.
# Ref.2: ENDO T.,J.MORROW, ASTM J. OF MATERIALS, VOL.4,P.159, 1969
# Ref.3 : G.Ramusat and G.Vidal, "Fatigue oligocyclique de six alliages
# d'aluminium en efforts et en deformations imposes," Memoires Scientifiques
# Revue Metallurgie, Jan. 1979. pg23-36.
#FileType= strain_life
#DataType= fitted
#TIMEcol= 0
#Name= Merged
#NAME= AA7075T6xx
#Name= Aluminum
#Stress_units= mpa
#Strain_units= strain
#Sy=    480     average of (492,468)
#Su=    566     average of (553,578)
#E=    69980.   average of (70000,70953,69010)
#%RA=  35.3     avg.  of (33,37.6)
#BHN= 150  (from Rasmusat/Vidal)
#FractureStrain= 0.408  #computed from %RA
#FractureStress= 786.
#
#saedigcurve_v2.2.f starts.
#NOTE!! The Following Points are <b>FITTED DATA:</b>#NOTE!! Fitted Stress computed using Experm. K' and n'
#TotalStrain   2Nf  Stress  Mean   Plastic Strain   Initial
#_  Amp               Amp   Stress      Amp        Elastic Mod.
   0.408            1   786.       0.    .397      69980  #Fitted_point monotonic 
   0.01700        300   605.6      0.   0.00835     69980. #Fitted_point manually
   0.01158        650   572.7      0.   0.00340     69980. #Fitted_point Manually
   0.00937       1000   545.8      0.   0.00157     69980. #Fitted_point
   0.00796       2000   514.4      0.   0.00061     69980. #Fitted_point
   0.00674       4500   463.4      0.   0.00011     69980. #Fitted_point manually
   0.00607       9000   422.9      0.   0.00003     69980. #Fitted_point manually
   0.00553      15000   386.4      0.   0.00001     69980. #Fitted_point manually
   0.00493      33000   345.0      0.   0.00000     69980. #Fitted_point manually
   0.00454      66000   317.7      0.   0.00000     69980. #Fitted_point manually
   0.00419     140000   293.0      0.   0.00000     69980. #Fitted_point manually
   0.00377     350000   263.7      0.   0.00000     69980. #Fitted_point manually
   0.00348     820000   243.6      0.   0.00000     69980. #Fitted_point manually
   0.00322    1450000   225.1      0.   0.00000     69980. #Fitted_point manually
#Original test data ends at about 2Nf=3000000
   0.00268   10000000   187.5      0.   0.00000     69980. #Fitted_point
#

#MagFactor= # Enter your Strain Reversal Points:

Simulate:

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