mass-weighted avg VS. Area weighted avg.
I have a simple incompressible turbulent flow in a 2D geometry. 1 inlet and 2 outlets.
After getting steady state converged solution, i found out that at a particular outlet i found out that area-weighted avg of velocity magnitude is = 0.836687 m/s
while mass-weighted avg = 0.8434061 m/s
why is the difference ? I was thinking for an incompressible flow the two should be pretty close.
Re: mass-weighted avg VS. Area weighted avg.
Run the case a) with double precision b) more iterations and see if both match....
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