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-   -   [Ref. Vel. in Broken dam prob.] (http://www.cfd-online.com/Forums/main/3618-ref-vel-broken-dam-prob.html)

Beginner June 19, 2001 02:49

[Ref. Vel. in Broken dam prob.]
 
In broken dam problem, how can I define the reference velocity ?

My Name June 20, 2001 11:28

Re: [Ref. Vel. in Broken dam prob.]
 
This is an estimate of the frontal velocity. This may or may not help. You can derive it from the mass and momentum equations for a loss free flow, assuming a hydrostatic pressure distribution.

u_f = (1/sqrt(2))* (gh)^(0.5)


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