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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 The information provided may be out of date.

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Boundary Distance Variable in Comsol 4

Posted 2012年1月3日 GMT-5 12:17 Fluid & Heat, Computational Fluid Dynamics (CFD) Version 3.5a, Version 4.2, Version 4.3 4 Replies

Rui Silva
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Hi folks,

I have been searching in the manual but I can't seem to find the boundary distance variable in Comsol 4.

I have used it in comsol 3.5a, and I need to use it again.

Can someone direct me to the name used in version 4? Or has it been replaced?

Best regards,

Rui
4 Replies Last Post 2012年9月7日 GMT-4 16:06
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 2012年1月3日 GMT-5 14:33
Hi

in my v4.2a help file I have a "Wall Distance Interface" or "wd" wariable, try a search


--
Good luck
Ivar
Hi in my v4.2a help file I have a "Wall Distance Interface" or "wd" wariable, try a search -- Good luck Ivar
Rui Silva
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Posted: 1 decade ago 2012年1月4日 GMT-5 06:50
Thks Ivar!

I have found it!

Gonna try to implement it!

Best Regards,

Rui
Thks Ivar! I have found it! Gonna try to implement it! Best Regards, Rui
Shawn.F
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Posted: 1 decade ago 2012年9月7日 GMT-4 13:30

Ivar,

I am trying to use "wd", but I cannot get the convergence. The model is two phase flow, and I coupled it with wall distance. I need the "wd" model to find the distance of the points of the domain to the wall, in order to monitor if the droplet touches the wall or not. Do you have any suggestion how to make it work? Am I allowed to couple wall distance with two phase flow or not?

Thanks
--
Shawn
Ivar, I am trying to use "wd", but I cannot get the convergence. The model is two phase flow, and I coupled it with wall distance. I need the "wd" model to find the distance of the points of the domain to the wall, in order to monitor if the droplet touches the wall or not. Do you have any suggestion how to make it work? Am I allowed to couple wall distance with two phase flow or not? Thanks -- Shawn
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 2012年9月7日 GMT-4 16:06
Hi

sorry but that one I do not know ;)
and I'm far away from my COMSOL workstation so I cannot try and test it out, but there are others out here ;)

--
Good luck
Ivar
Hi sorry but that one I do not know ;) and I'm far away from my COMSOL workstation so I cannot try and test it out, but there are others out here ;) -- Good luck Ivar

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