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About Damping (something new)

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Hi Everyone,
I started a discussion several days ago about the damping in Electromagnetic Anslysis. Now I just find something new! I used a very simple model(Just mechanic). A polymer bridge and a block of nickel on top of it. I apply 1N(-Z, point down) force uniformly on the nickel. Then I did transient analysis, the bridge (together with nickel block) started to shake then it stopped. It is so wired that I didn't set any energy loss.

That's a very simple model that I can have its static results which means it will stay still finally. So the Comsol is applying some damping factor even you didn't set?

Any one have any idea on that?

Thanks a lot!

Link to previous discussion

www.comsol.com/community/forums/general/thread/920/

1 Reply Last Post 7 ott 2009, 08:54 GMT-4
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)

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Posted: 1 decade ago 7 ott 2009, 08:54 GMT-4
Hi

I do not beleive its so new ...

have a look at

www.comsol.com/community/forums/general/thread/326/#p758

start to use a search on the forum, there is now quite alot in here, often the same questiosn come up, which does not mean that we cannot continue to go further.

Ivar
Hi I do not beleive its so new ... have a look at http://www.comsol.com/community/forums/general/thread/326/#p758 start to use a search on the forum, there is now quite alot in here, often the same questiosn come up, which does not mean that we cannot continue to go further. Ivar

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