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Diagonal or lumped mass matrix

Posted 02.04.2019, 21:09 GMT-4 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 03.04.2019, 14:12 GMT-4
Henrik Sönnerlind COMSOL Employee

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Posted: 5 years ago 03.04.2019, 01:54 GMT-4

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: 5 years ago 03.04.2019, 14:12 GMT-4

Thanks Henrik.

Thanks Henrik.

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