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Set initial values in Global Equations ODEs

Posted May 27, 2012, 5:58 p.m. EDT 3 Replies

Tianwei Zhang
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Hi,

I am new to Comsol 4.3. I used "transport of diluted species' to solve the concentration profile. Then I want to use boundary ODEs to solve several ODEs. For one of the ODEs, the initial value is the result of the concentration profile in the previous study. How I can possible input the previous solution in the initial value (u_0); field. Any comment will be appreciated.

Thanks

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3 Replies Last Post May 31, 2012, 7:45 a.m. EDT
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago May 28, 2012, 4:24 a.m. EDT
Hi

Well I do not believe we are many out here with 4.3 yet, I tried to open it, no way ;)

BUT WORSE IT HANG MY COMSOL 4.2A, I HAD TO KILL MY PROCESS !!

Hey COMSOL developpers, YOU should test that and exit/refuse gracefully such a case, and NOT HANG THE HOLE PC !!!

(hopefully they will hear us ;=)

--
Good luck
Ivar
Hi Well I do not believe we are many out here with 4.3 yet, I tried to open it, no way ;) BUT WORSE IT HANG MY COMSOL 4.2A, I HAD TO KILL MY PROCESS !! Hey COMSOL developpers, YOU should test that and exit/refuse gracefully such a case, and NOT HANG THE HOLE PC !!! (hopefully they will hear us ;=) -- Good luck Ivar
Certified Consultant
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Posted: 1 decade ago May 31, 2012, 6:52 a.m. EDT
Hi,
this bug related to opening files of future versions was fixed in version 4.3. The new release is being sent out now and some territories have not received it yet.

If you are in urgent need of the new version, please contact your COMSOL sales representative.

kind regards
Niklas
Hi, this bug related to opening files of future versions was fixed in version 4.3. The new release is being sent out now and some territories have not received it yet. If you are in urgent need of the new version, please contact your COMSOL sales representative. kind regards Niklas
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago May 31, 2012, 7:45 a.m. EDT
Hi Niklas

Good to hear, then it's probably in the post somewhere on its way :)

--
Having (almost) fun Comsoling
Ivar
Hi Niklas Good to hear, then it's probably in the post somewhere on its way :) -- Having (almost) fun Comsoling Ivar

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