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Quick question: Dynamic viscosity

Posted 2017年6月21日 GMT-4 15:08 2 Replies

Jordan Dargert
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I understand that a solid should have "zero" viscosity, meaning it doesn't flow. Which in turn means that the viscosity is infinite. So many of my materials need me to input a dynamic viscosity value, but how do I indicate to comsol it is infinite? Is there a specific designation? Do I just use an extremely large number?

A quick google search didn't turn up much.

Thank you
2 Replies Last Post 2017年6月22日 GMT-4 11:42
Mohammad Amin Kazemi
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Posted: 7 years ago 2017年6月21日 GMT-4 17:34
Jordan
If you define the fluid and solid domains correctly in the physics you are using, Comsol doesn't ask you to enter the viscosity for solids.
Amin,
Jordan If you define the fluid and solid domains correctly in the physics you are using, Comsol doesn't ask you to enter the viscosity for solids. Amin,
Jeff Hiller COMSOL Employee

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Posted: 7 years ago 2017年6月22日 GMT-4 11:42
Updated: 7 years ago 2017年6月22日 GMT-4 14:25
Yes, it sounds like the same mistake and solution as in this recent thread:
www.comsol.com/community/forums/general/thread/135133/
Jeff
Yes, it sounds like the same mistake and solution as in this recent thread: https://www.comsol.com/community/forums/general/thread/135133/ Jeff

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