Bernoulli was a plumber
And the theory has more to do with resonance and harmonics having an effect on mechanicals than a "Hammer". I used the term to convey the communicative effect of pressure differentials in an "instantaneous" way.
"Hammer" is an effective way to understand cavitation, notwithstanding your derisive retort to its use. I didn't think it would bother anyone, I'll be more careful with my vocabulary.
RGDS Airfoil
(BTW, if you've noticed Water Ram, you will also have noticed its brother, Recoil. That vibration, and "return,rebound" of the Ram, stops flow.)