|December 28, 2009, 05:39||
froud number open channel flow
Join Date: Dec 2009
Posts: 2Rep Power: 0
I've managed to simulate a standing wave in a river in fluent. I now have the simulation data and would like to obtain the height of the open surface and the froud number.
Does anybody know how to do this?
|January 6, 2010, 15:09||
Jouke de Baar
Join Date: Oct 2009
Posts: 125Rep Power: 9
Sorry I'm not sure I understand your problem correctly, but the answers might be:
Froude Number = u / sqrt(g*d)
u = upstream velocity
g = 9.81 m/s^2
d = water depth
The height of the free surface: The easy straightforward way (for 2D problem) is to plot a single contour of the phase for VOF=0.5, print the plot and measure the height with a ruler. The harder, more accurate way is to export your data to tecplot, although I haven't done this myself yet.
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