Get mid-side node

May we know reason?

Which element configs do you have?

This was a code to get elements from set of nodes. I discovered now that the code fails for 2nd order elements because of the mid-side nodes.  Hence, wanted to identify them and avoid them in the calculation.

I remember there is a relevant command but can't find it.

Example to get mid side nodes of quad8:

*createmark elems 1 'by config' quad8

set NodeList [hm_getvalue elems mark=1 datanames=nodes]

set MidNodes [join [regsub -all {\{[0-9]+ [0-9]+ [0-9]+ [0-9]+ } $NodeList \{]]

Thanks Tinh,

This one is a useful hack.