Tricky thing about contact and separation in ABAQUS

In abaqus, there is an option “allow separation after contact”.

this is tricky sometimes:

if tick off means “not allowed to separate After contact”:

(1) if use exactly same node between master and slave, abaqus think it is contacted even if there is not initial stress, then it will not separate as specified;

(2) if use difference nodes, abaqus may think some part is not contacted, then it will still be “separated” in the analysis!!!!


About yhtian

I am an academic researcher working on Offshore Geotechnical Engineering. My blog aims to write down some work related trivial things and tricks about software, programming. It is basically a memo for me to back up some thoughts and small details. But I am more than happy if someone would visit and discuss.
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