section Elastic ... $G $alphaY

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mohsenVazirizade
Posts: 17
Joined: Wed Oct 14, 2015 12:08 am
Location: Sharif University of Technology; University of Arizona

section Elastic ... $G $alphaY

Post by mohsenVazirizade »

What are the parameters alphaY and alphaZ in the following command??

section Elastic $secTag $E $A $Iz <$G $alphaY>
section Elastic $secTag $E $A $Iz $Iy $G $J <$alphaY $alphaZ>

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


In the manual it is just stated that they are shape factor.

Would you please provide more description about it?
sghanaatpishe
Posts: 9
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Location: university of science and culture

Re: section Elastic ... $G $alphaY

Post by sghanaatpishe »

hi
i think alphaY=Ay/Ag and alphaZ=Az/Ag
mohsenVazirizade
Posts: 17
Joined: Wed Oct 14, 2015 12:08 am
Location: Sharif University of Technology; University of Arizona

Re: section Elastic ... $G $alphaY

Post by mohsenVazirizade »

would you please explain more about these parameters and its application?
mohsenVazirizade
Posts: 17
Joined: Wed Oct 14, 2015 12:08 am
Location: Sharif University of Technology; University of Arizona

Re: section Elastic ... $G $alphaY

Post by mohsenVazirizade »

I got it, they are the ratio between the area of the element for shear (y and z in local direction, respectively) to area of the element for axial loading
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