How to fix degenerate boundary faces in Simulate

[tleati]

Hallo,

anyone knows what is this kind of problem and what is it due to? (here below the screenshot)

how could I fix it?

thanks

bye

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[ehaenen]

Hi Tommaso

The remark about the washer made me remember this.

i've seen issues wth degenerate surface in cases like in this picture. Surfaces that meet at a very shallow angle. If possible, make it a 90 degree angle (remove the round of the washer). Problem should be solved.

Erik

[tleati]

Hi Erik,

thanks for your suggestion, indeed could be the problem you mentioned because the surfaces ini my case could not meet perfectly at 90°.

But last days I contacted the PTC support and they suggested me to level out the precisions of the various components of the assembly, and then to lower the geometric tolerance of the Meshing --> it worked.

But maybe as you say the problem could be fixed without varying the tolance and therefore losing time in meshing up.

bye