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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 The information provided may be out of date.

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why does pressure apply follow the z-axis in 2D space dimension?

Posted 12.04.2012, 21:14 GMT-4 Acoustics & Vibrations Version 4.0a 3 Replies

Tien Dat Nguyen
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Good day everyone.
i am using comsol 4.0a : 2D, geometry is rectangle and polygon, material is water, pressure acoustic, when i applied pressure for polygon, it will be followed z direction which is i dont want to happen.
like my figure in the attach file
please help me.

Attachments:

3 Replies Last Post 13.04.2012, 03:07 GMT-4
Tien Dat Nguyen
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Posted: 1 decade ago 12.04.2012, 23:14 GMT-4
here is other case.
i can not control pressure apply for x-axis and Y-axis
here is other case. i can not control pressure apply for x-axis and Y-axis

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Edgar Kaiser
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Posted: 1 decade ago 13.04.2012, 02:34 GMT-4
Sorry, just noticed that my reply was probably wrong
Sorry, just noticed that my reply was probably wrong
Tien Dat Nguyen
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Posted: 1 decade ago 13.04.2012, 03:07 GMT-4
Thank Edgar so much!
in this case(attach file) i already did that, but almost another case i cound not do that. So i think the probem is not 2D or 3D.
i would like to attach both of them at here to compare each other.
i saw both of them are same, but the results are completely different.
Please let's me know what is the problem at there.
Thanks so much
Thank Edgar so much! in this case(attach file) i already did that, but almost another case i cound not do that. So i think the probem is not 2D or 3D. i would like to attach both of them at here to compare each other. i saw both of them are same, but the results are completely different. Please let's me know what is the problem at there. Thanks so much

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