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role of spring foundation in contact analysis

Posted Mar 27, 2024, 7:45 a.m. EDT 2 Replies

Carl Xu
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What role does a 'spring foundation' applied to a boundary play in contact analysis, even when there's no such spring force existing in the original model?

2 Replies Last Post Mar 31, 2024, 1:22 a.m. EDT
Henrik Sönnerlind COMSOL Employee

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Posted: 8 months ago Mar 28, 2024, 8:40 a.m. EDT

It is sometimes used for stabilizing parts of structures that have possible rigid body modes in the initial configuration (before contact is established).

From version 6.2, a better approach is to add a Stabilization subnode under Contact.

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Henrik Sönnerlind
COMSOL
It is sometimes used for stabilizing parts of structures that have possible rigid body modes in the initial configuration (before contact is established). From version 6.2, a better approach is to add a *Stabilization* subnode under *Contact*.
Carl Xu
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Posted: 8 months ago Mar 31, 2024, 1:22 a.m. EDT

Thank you Dr Sönnerlind!

Thank you Dr Sönnerlind!

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