breakwater, overtopping calculation
I´m simulating the impact of waves on a breakwater.
I need to calculate the overtopping, that is, the water volume falling over the breakwater. I have tried with expressions like: Water at 25 C. Volume@region and it doesn´t work. Could kindly anyone tell me how to calcule it? 
Look at the CFX Reference manual for how to use these functions. Volume gives the volume of a region. You want to integrate the volume fraction over the domain to get the amount of water. Try volumeInt(Water at 25C.Volume Fraction)@Region or something like it.

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