I want to simulate one beam with plane stress element.

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borjiajia
Posts: 91
Joined: Wed Jan 20, 2010 12:08 am
Location: DL, China

I want to simulate one beam with plane stress element.

Post by borjiajia » Tue Aug 09, 2011 4:50 am

I have finished simulating one simply supported reinforced concrete beam with fiber section and forced-nonlinear beamcolumn element. And I found the result not very satisfying. I considered it to be the effect from the shearing crack.

Therefore, I want to simulate the RC beam with a plane stress element. I wonder, is it possible to realize it? I have read relevant materials but failed to find any example about this.
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borjiajia
Posts: 91
Joined: Wed Jan 20, 2010 12:08 am
Location: DL, China

Re: I want to simulate one beam with plane stress element.

Post by borjiajia » Wed Aug 10, 2011 6:24 pm

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vesna
Posts: 3033
Joined: Tue May 23, 2006 11:23 am
Location: UC Berkeley

Re: I want to simulate one beam with plane stress element.

Post by vesna » Thu Aug 11, 2011 1:48 pm

If you have a steel beam you can use plane stress elements and J2 material but at the moment we do not have material for concrete.

Why don't you try aggregating shear force-deformation relationship to a fiber section. You can do that by using Section Aggregator: http://opensees.berkeley.edu/wiki/index ... Aggregator.

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