# how to calculate the reversed volume flow rate in an certain iso-surface?

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 September 2, 2012, 06:16 how to calculate the reversed volume flow rate in an certain iso-surface? #1 New Member   Yinli Liu Join Date: Jul 2012 Posts: 2 Rep Power: 0 Hi everybody, I'm doing some simulations on a swirling pipe flow. Now I am interested in the internal recirculation zone and want to compute the reversed volume flow rate in certain iso-surface. I know how to use the "Report" to calculate the total volume flow but what I need is the negetive (reversed) volume flow rate. So could anybody help me deal with this problem? Thank you so much.

 September 3, 2012, 01:29 #2 Member   Join Date: Mar 2009 Posts: 85 Rep Power: 9 Hi, I don't get why you are interested in reversed flow on any internal surface. But for that, I think you can report velocity scalars on the iso-surface. By using excel, you can separate negative and positive values and then do calculation what you need. Regards

September 4, 2012, 01:33
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Yinli Liu
Join Date: Jul 2012
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 Originally Posted by husker Hi, I don't get why you are interested in reversed flow on any internal surface. But for that, I think you can report velocity scalars on the iso-surface. By using excel, you can separate negative and positive values and then do calculation what you need. Regards
Yeah it works. Thank you so much for your help.

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