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Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.

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Increasing temperature gradient as boundary condition

Posted 2012年4月26日 GMT-4 05:11 Fluid & Heat, Heat Transfer & Phase Change Version 4.2a 2 Replies

Long Li
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Hello,

I'm trying to model a chip moving in a chamber which has an increasing temperature gradient inside. We want to show how the motion of the chip affect the temperature of the surrounding gases. I spent several days to understand the deformed mesh but I have no clue about this problem by far. I'm new to COMSOL but really want to play it well.

Thanks.
Leon
2 Replies Last Post 2012年4月29日 GMT-4 12:53
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 2012年4月26日 GMT-4 14:38
Hi

another way, if noting changes drastically except for your "sliding" movement, would be to use Geoemtry Assembly mode with a linear common boundary line somwhere in the middle of your air/gas interface, and slide the geometry, and use COMSOL to map the dependent variables across your sliding boundary. It works in ACDC linear motors, so why not in your case (just a suggestion, have a look)

--
Good luck
Ivar
Hi another way, if noting changes drastically except for your "sliding" movement, would be to use Geoemtry Assembly mode with a linear common boundary line somwhere in the middle of your air/gas interface, and slide the geometry, and use COMSOL to map the dependent variables across your sliding boundary. It works in ACDC linear motors, so why not in your case (just a suggestion, have a look) -- Good luck Ivar
Long Li
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Posted: 1 decade ago 2012年4月29日 GMT-4 12:53
Hi Ivar,

Thanks for the reply. Also, could u send me a link or some details, examples about the ACDC motors?

Leon
Hi Ivar, Thanks for the reply. Also, could u send me a link or some details, examples about the ACDC motors? Leon

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