MinMax Material

[javid]

Hi All
My question is that about the "MinMax Material
i use minmax material in modeling FRP Material and bleow is the command and the ultimate strain of FRP is 4.5% .

uniaxialMaterial Elastic 31 73000
uniaxialMaterial MinMax 311 31 0.0 0.045

i got this error:

Starting OpenSees..


OpenSees -- Open System For Earthquake Engineering Simulation
Pacific Earthquake Engineering Research Center -- 2.4.0

(c) Copyright 1999,2000 The Regents of the University of California
All Rights Reserved
(Copyright and Disclaimer @ http://www.berkeley.edu/OpenSees/copyright.html)



WARNING invalid option:0.0 uniaxialMaterial MinMax tag: 31

while executing
"uniaxialMaterial MinMax 311 31 0.0 0.045 "
(file "C:\Users\Javid\Desktop\jj\Joint\Hing\PR.tcl" line 181)
---------------------------------------------------------------------------
End of script <C:\Users\Javid\Desktop\jj\Joint\Hing\PR.tcl> reached, Press any k
ey to continue


> I appreciate if someone tell me the reason and the correct form of the command.

Best

[fmk]

you are missing the -min and -max from the command line .. it is "uniaxialMaterial 31 -min 0.0 -max 0.045" for your example

http://opensees.berkeley.edu/wiki/index ... x_Material

[javid]

Dear fmk,
Thank you so much