double section

[civil]

hi dear all
is it possible to define double I wide flange section, which there is 10 cm distance between them, for column section in opensees?

[vesna]

yes, you can do it.

[civil]

thanks dear vesna
how can i define the distance between 2 section?

[vesna]

when defining the section set the local coordinate system at the centroid of the section and define the rest of the section relative to these coordinates. you can find many examples on how to build a fiber section here:
http://opensees.berkeley.edu/wiki/index ... s_Examples