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-   -   No-slip B.C. (https://www.cfd-online.com/Forums/flow-3d/119673-no-slip-b-c.html)

Jing_min June 21, 2013 12:01

No-slip B.C.
 
Dear All
Hello

I have simulated a simple channel.

At the bottom of the channel, I applied the No-Slip B.C.

As far as I know, at this boundary, the velocity is zero. But the vectors show that it is NOT.

How do you explain this?

http://imageupload.co.uk/files/w9kpivcbpjhflw2xuv5k.jpg

Thanks

mahdi1 June 21, 2013 15:07

Quote:

Originally Posted by Jing_min (Post 435317)
Dear All
Hello

I have simulated a simple channel.

At the bottom of the channel, I applied the No-Slip B.C.

As far as I know, at this boundary, the velocity is zero. But the vectors show that it is NOT.

How do you explain this?

http://imageupload.co.uk/files/w9kpivcbpjhflw2xuv5k.jpg

Thanks

Hello
In flow-3D, results have been presented in center of each cells. So, near the bottom, you have results (velocity ,etc.) in half of height cell.


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