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oyvinkle
Posts: 56
Registered: ‎01-11-2013

Membrane forces

191 Views, 1 Replies
03-01-2013 02:48 AM

I have run an modal analasys and a  seismic analysis witch generates forces. Ive had a lok kat the mambrane forces in the plate but there are only tention forces.why aren't there any comp. forces?  does the seismic force witch is gen. for the x- dir. the max respons of the quanteties in +x and -x dir. tis is not on the basis of latheral force method where the signs of the forces ar ceept.

 

best regards

 

is it the -Nyy/Nyy as the compretion/tenstion??? Need explantion

 

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Artur.Kosakowski
Posts: 4,544
Registered: ‎12-17-2010

Re: Membrane forces

03-01-2013 02:57 AM in reply to: oyvinkle

You should look at results for particular mode rather than CQC combination unless you create the signed quadratic combination.

 

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Artur Kosakowski
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