3D truss model with beam-column element

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amirmahmoodi
Posts: 3
Joined: Thu Dec 06, 2018 8:59 am
Location: Amirkabir University of Technology (AUT)

3D truss model with beam-column element

Post by amirmahmoodi » Sun Jan 06, 2019 4:39 am

I have a question about the 3D model of beam-column elements,
When you wanted to define the geomTransf in OpenSees for diagonal members which are out of the plane, how did you define a vector that is in a plane parallel to the x-z plane of the local-coordinate system (I mean this for example: geomTransf Linear $transfTag $vecxzX $vecxzY $vecxzZ)
I would highly appreciate it if you give me guidance and suggest some link for 3-D modeling of the transmission tower.
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selimgunay
Posts: 913
Joined: Mon Sep 09, 2013 8:50 pm
Location: University of California, Berkeley

Re: 3D truss model with beam-column element

Post by selimgunay » Sun Jan 06, 2019 12:09 pm

Please see this link for description of local axes

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