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velocity profile

Posted Sep 9, 2017, 2:22 p.m. EDT Computational Fluid Dynamics (CFD) Version 5.0 3 Replies

Saja Nabat
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greeting
I'm using the slip velocity for the wall condition and I got the following velocity profile
can any one explain why this decrease in velocity near the wall, please.

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3 Replies Last Post Sep 13, 2017, 12:19 p.m. EDT
Anindita Bhattacharya
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Posted: 7 years ago Sep 10, 2017, 5:05 a.m. EDT
Hi Saja,
Could you share your COMSOL file please?

Best Regards
Anindita
Hi Saja, Could you share your COMSOL file please? Best Regards Anindita
Saja Nabat
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Posted: 7 years ago Sep 10, 2017, 5:18 p.m. EDT
thanks for reply
here it is
thanks for reply here it is

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Sri Puranam
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Posted: 7 years ago Sep 13, 2017, 12:19 p.m. EDT

Saja:

spf.U is a resultant speed variable. Change the variable you are plotting to 'v' (y-axis velocity component) and there should be no negative speed.

Sri,

Saja: spf.U is a resultant speed variable. Change the variable you are plotting to 'v' (y-axis velocity component) and there should be no negative speed. Sri,

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