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dynamic viscosity of a solid??

Posted 27 mars 2023, 10:37 UTC−4 MEMS & Piezoelectric Devices 1 Reply

Prudhvi VVR Ajay Sreenivas
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what value should I give for dynamic viscosity of a piezoelectric material??

1 Reply Last Post 27 mars 2023, 10:42 UTC−4
Jeff Hiller COMSOL Employee

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Posted: 2 years ago 27 mars 2023, 10:42 UTC−4
Updated: 2 years ago 27 mars 2023, 11:35 UTC−4

Hello Prudhi,

You should not assign a dynamic viscosity to a solid. If it looks like the software is asking for one, it's a sure sign that you forgot to remove the part of the geometry occupied by the piezoelectric material from the domains where the fluid equation is to be solved.

Best,

Jeff

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Jeff Hiller
Hello Prudhi, You should not assign a dynamic viscosity to a solid. If it looks like the software is asking for one, it's a sure sign that you forgot to remove the part of the geometry occupied by the piezoelectric material from the domains where the fluid equation is to be solved. Best, Jeff

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