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Friction and convergence problems

Posted Apr 19, 2012, 8:40 a.m. EDT Geometry, Materials, Modeling Tools & Definitions, Parameters, Variables, & Functions Version 4.2a 0 Replies

Yasemin Kirli
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Hello,

I have a very simple model. A tube in another tube to which I want to slide a ring on it. So I have two contact surfaces. I would like to add friction between the tube and the ring during the displacement. The simulation without friction works without problems, but when I add friction, convergence problems occur. What is the reason and what should I do? How can I avoid convergence problems?

Thank you.

Yasemin
0 Replies Last Post Apr 19, 2012, 8:40 a.m. EDT
COMSOL Moderator

Hello Yasemin Kirli

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