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variable boundary condition

Posted 9 feb 2015, 13:24 GMT-5 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 25 feb 2015, 09:08 GMT-5
Lasse Murtomäki
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Posted: 10 years ago 11 feb 2015, 02:56 GMT-5
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 21 feb 2015, 12:25 GMT-5

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 24 feb 2015, 01:49 GMT-5
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 25 feb 2015, 08:11 GMT-5

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 25 feb 2015, 09:08 GMT-5
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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