Nonlinear support with gap elements in Femap

[@felipe85522]

Thank you! Very interesting.

[@Enterfea]

I'm glad that you like it Diego!

[@andrewlite]

Hi Łukasz, thanks for this great demo. Do you always leave AUTOSPC ON when running an analysis? Why would femap leave it on by default? Thanks again for all the great content!

[@Enterfea]

Hey! To be honest, I can't check which is the default - I'm on a skiing trip right now without access to my license, so I just can't click this through. I think it's on by default for some analysis and is "off" for others... or at least this is what the Quick Reference Guide would suggest - I understand from your question that you would rather not use the parameter - would you have the time to elaborate a bit on this, I would love to learn how exactly this singularity constraining works :) All the best! Ł

[@andrewlite]

@@Enterfea hey no rush on the reply. I usually run static linear and always have to check off the AUTOSPC. I worry that if I leave it on my model will run with singularities in it which I would consider to be mistakes to be corrected. Perhaps there are scenarios when this is desirable? I don't know!

[@Enterfea]

@@andrewlite to be honest, I feel that this is more like a tool to "support the forgotten node" to be honest, but thank you for pointing this out - I will take a look into that when I will have the time :) All the best!

[@suanarts6033]

We helpful thanks a lot

[@Enterfea]

I'm glad that you like it Mate :)

[@suanarts6033]

@@Enterfea Thanks for your reply. Actually I have one doubt. I want to know about linear gaps in nastran profile . Can you give any reference

[@Enterfea]

@@suanarts6033 I'm not 100% sure if there is something like "linear GAP". I mean, the fact that there is a gap means that the problem is nonlinear, no? Anyway, it's usually just "define the rigidity" and then "define the gap", and not much more, so this should be easy to set up I think - it's almost like a linear spring... but with a gap :)