Hi all,
Hope everyone is doing great!
Just a quick question, when I have 2 parts modelled in SHELL element with shell offset in the section manager set to 'middle surface', at the location where they connect, for example, a beam is connecting into a column forming a T-joint, do you guys normally leave a small gap (i.e. half the wall thickness of the column) to account for the actual dimension of the column or leave no gap (i.e. connecting centre-to-centre)?
After all, does it even matter or make any difference in leaving a small gap to account for the fact that the shell model is defined at the middle surface instead of the external surface? I know there will be a small influence on the loading eccentricity but does it necessary? This probably depends on the scale of the model, doesn't it?
Many thanks,
Heng
Dear Heng
It's appropriate to model it without gap.(neglecting the shell thickness.
Then if you want to apply any condition between this two, you can utilize connection roles between common nodes or interaction methods along the surfaces
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