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-   -   Contour of wall shear stress (average in the flow time) (https://www.cfd-online.com/Forums/fluent/111361-contour-wall-shear-stress-average-flow-time.html)

 pedroxramos January 4, 2013 14:55

Contour of wall shear stress (average in the flow time)

Hi!
I'm new here. I'm doing the simulation of the flow around a pier in a open channel. It was easy to obtain the contour of the instant wall shear stress but now my aim is obtain the contour of the shear stress average in the flow time (aprox. 20 s).

This is a pic of the contour for the time t=16.45 s.

https://dl.dropbox.com/u/22662045/be...t%20%3D17s.PNG

It is possible to obtain the average in the flow time? How?

Thanks.

Yes. You can find it under residual menu.

 Sama January 6, 2013 15:20

Shear stress on the wall

Hi pedroxramos

May I ask how did you calculate contours of instantaneous shear stress on the wall? Are you using Fluent? Did you write a UDF to do that or you just used user interface?

Sama

 pedroxramos January 9, 2013 08:22

Hi Sama!

It's very easy calculate the contours of instantaneous shear stress on the wall. I'm using Fluent. You must folow the steps: http://i45.tinypic.com/2ymw0pi.jpg

Graphics and animations > Contours > Wall shear stress

 pedroxramos January 9, 2013 08:28

Thanks for your reply but i don't get it. In this menu http://i48.tinypic.com/o07ajp.jpg where is the option for the average contour?

Sorry for my low understanding...

Regards,
Pedro Ramos.

 Sama January 9, 2013 21:39

thanks a lot Pedro Ramos.
Sama

 LM13 March 12, 2014 13:02

Podes indicar sff como efetuas-te o contours do shear stress em fluent?

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