Search found 5 matches

by maysamr
17 Jan 2012, 08:59
Forum: 03-Analytical/modelling capabilities
Topic: Negative stiffness in a link element
Replies: 3
Views: 2507

Re: Negative stiffness in a link element

I guess I should ask as this " I want to model a trilinear linear link with final permanent deformation that not came back to origion"
What should I do? :( plz help!!!
by maysamr
14 Jan 2012, 11:03
Forum: 03-Analytical/modelling capabilities
Topic: Negative stiffness in a link element
Replies: 3
Views: 2507

Re: Negative stiffness in a link element

29 reads and still no answer? :( Plz help. My email is meysamr@yahoo.com
for further information plz email me :(
by maysamr
07 Jan 2012, 00:16
Forum: 03-Analytical/modelling capabilities
Topic: Negative stiffness in a link element
Replies: 3
Views: 2507

Negative stiffness in a link element

Hello,
TO model a shear key in bridge abutment I have to define a trilinear link in F2 direction, but the third stifness is negative to take acount for the break in shear keys after a defined force limit. Which link type I should use???
Maysam Reshad
by maysamr
27 Apr 2011, 20:27
Forum: 04-Unexpected behaviour/errors
Topic: diaphragm
Replies: 4
Views: 3364

Re: diaphragm

I have the same problem how can i send my model? and if you can say what were the errors in mortezarazi's
model so i can myself fix them in mine?
thanks
by maysamr
27 Apr 2011, 13:51
Forum: 04-Unexpected behaviour/errors
Topic: Natural Periods in SeismoStruct and other programs
Replies: 5
Views: 5658

Re: Natural Periods in SeismoStruct and other programs

<r>1-I am modeling a 8 story rc frame in seismostruct and etabs. etabs calculates 1st period as 1.76 but sesimostruct gives only 0.65. <br/>
2-I am using diaphragm constraints for each story but for a 2d 8 storis model why should it found 10!!!! modes?????<br/>
where can i upload my file to get help ...

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