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Singular matrix, lack of convergence or empty rows

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Hello,

I created a model of a pipe compressed by a roller in fluid-structure interaction physics. However the solver fails even in Stationary case. I get various errors depending on current mesh size. I attached the model. What am I doing wrong?

Thanks for any response in advance.



0 Replies Last Post 15 janv. 2012, 08:50 UTC−5
COMSOL Moderator

Hello Pawel Pawlowski

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