u/Prestigious_Safety52

▲ 4 r/fea+1 crossposts

Mechanical stress problem

Hello! I am pretty new to comsol and i was wondering how would you aproach the following problem. You have an assembly of parts that are in contact and that you have to simulate stress for. I can't make a single body of the whole assembly. What type of connectors would you use for the screw holes in the model(they are 100+) i tried with rigid connectors but the simulation keeps failing. Frankly i dont care about the force put on the screws i just dont want the plates to be glued togheder. Also i dont have the actual screws modeled to use bolt pretension. Thank you a lot!

reddit.com

u/Prestigious_Safety52 — 1 day ago

▲ 6 r/fea+1 crossposts

Need help with stress simulation

Hello i'm trying to do a stress simulation for an assembly of bodies. Everything has contact pairs and to simulate the bolts i have rigid connectors with 0 displacement in al axes. When i try this on a small scale it is ok but when i try with multiple bodies it fails and gives me this error. I tried penalty and lagrangian contact, i tried adding a spring and dampener it didnt work.

u/Prestigious_Safety52 — 2 days ago