[Paraview] computing flow rate across sections

[Stephen Wornom]

Berk Geveci wrote:
> Did you try the Surface Flow filter?
>   
Yes. I took a simplier case (cross-section is a rectangular surface) 
with a constant flow in the x-direction. The integrated corss-sectional 
area is correct but the flow rate is not. Paraview prints the vectors 
like (area, 0, 0) and not (-0.234,0,0) which are the real values. The 
flow rate is = the cross-sectional area and not the integral of _V_ dot 
_area_ where the underline means a vector. That is either the velocity 
vector was taken as 1.0 or not included in the integration.
Stephen
> On 1/28/08, Stephen Wornom <stephen.wornom at sophia.inria.fr> wrote:
>   
>> What are the steps to follow to compute flow rates across sections?
>> I use version 2.6.2.
>> Stephen
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