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variable boundary condition

Posted Feb 9, 2015, 1:24 p.m. EST 5 Replies

Kamel Menad
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Hi.
I have a problem if you can help me. I have a Newman Boudry condition variable over time (| vr • n | = 0.1Ks = 1.8mm.h-1 for t <-6 hours and (| vr • n | = 0 for t> 6 hours) how I can write this condition in COMSOL?
5 Replies Last Post Feb 25, 2015, 9:08 a.m. EST
Lasse Murtomäki
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Posted: 10 years ago Feb 11, 2015, 2:56 a.m. EST
Look at www.comsol.com/community/forums/general/thread/58461/

Lasse
Look at http://www.comsol.com/community/forums/general/thread/58461/ Lasse
Kamel Menad
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Posted: 10 years ago Feb 21, 2015, 12:25 p.m. EST

Look at www.comsol.com/community/forums/general/thread/58461/

Lasse


thank you
This is what I have done but that does not give a results. help me please.
www.4shared.com/rar/WD2n0TMmba/test.html
[QUOTE] Look at http://www.comsol.com/community/forums/general/thread/58461/ Lasse [/QUOTE] thank you This is what I have done but that does not give a results. help me please. http://www.4shared.com/rar/WD2n0TMmba/test.html
Lasse Murtomäki
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Posted: 10 years ago Feb 24, 2015, 1:49 a.m. EST
Hi

The link you gave leads to a website which asks to install a software. I won't do that.

br
Lasse
Hi The link you gave leads to a website which asks to install a software. I won't do that. br Lasse
Kamel Menad
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Posted: 10 years ago Feb 25, 2015, 8:11 a.m. EST

Hi

The link you gave leads to a website which asks to install a software. I won't do that.

br
Lasse


sorry
This is what I have done but that does not give a results.
[QUOTE] Hi The link you gave leads to a website which asks to install a software. I won't do that. br Lasse [/QUOTE] sorry This is what I have done but that does not give a results.
Lasse Murtomäki
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Posted: 10 years ago Feb 25, 2015, 9:08 a.m. EST
Have you defined the units of the argument (t in your case) and the function? See attachment. Function is piecewise.

br
Lasse
Have you defined the units of the argument (t in your case) and the function? See attachment. Function is piecewise. br Lasse

Attachments:

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