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Diagonal or lumped mass matrix

Posted Apr 2, 2019, 9:09 p.m. EDT Acoustics & Vibrations, Heat Transfer & Phase Change, Structural Mechanics 2 Replies

Bikash Dey
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Hi, For time dependent problems, is there any way to choose diagonal or lumped mass matrix in comsol?

2 Replies Last Post Apr 3, 2019, 2:12 p.m. EDT
Henrik Sönnerlind COMSOL Employee

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Posted: 6 years ago Apr 3, 2019, 1:54 a.m. EDT

No, the mass matrix is always consistent.

Regards,
Henrik

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Henrik Sönnerlind
COMSOL
No, the mass matrix is always consistent. Regards, Henrik
Bikash Dey
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Posted: 6 years ago Apr 3, 2019, 2:12 p.m. EDT

Thanks Henrik.

Thanks Henrik.

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