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gaps as contact


I'm using GAP element with an initial gap (no stiffness values). In FEMAP, i usually check "gaps as contact" to make sure cgap acts as contact element and not spring element. In the last case i ran, i forgot to check "gaps as contact" and still model run fine and cgap acted like contact elements and not springs. I ran the model again with "gaps as contact"  checked and the results were same as previous run. Am i missing something here?





Re: gaps as contact

Do you have any surface to surface or other contacts in the model? If so, then cgaps are treated as linear contacts regardless of whether or not the "Gaps as Contact" option is turned on.

Re: gaps as contact

I do have surface-to-surface contact. Thanks, i was not aware of that.