Dear FEAP community,
I am experiencing an issue with the CSURface command in FEAP86.
I can not apply a uniform normal traction distribution over a straight edge in a 2D problem.
Issuing the command results in a wavy distribution, instead of constant.
Please find below a MWE that reproduces the problem. I tested the same toy example in FEAP83 and FEAPpv51,
where the results are fine. I hope I am not missing something trivial,
Thanks for your help and consideration,
Jacopo