[HN Gopher] Shock Wave Formation Simulator
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Shock Wave Formation Simulator
Author : saikatsg
Score : 30 points
Date : 2025-12-30 08:22 UTC (6 days ago)
(HTM) web link (kousen.github.io)
(TXT) w3m dump (kousen.github.io)
| rich_sasha wrote:
| Ah, I was hoping to see the discontinuity of the sound wave
| forming as it steepens.
|
| Still cool!
| spuz wrote:
| Very cool. It's fun to see what triggers the "bang" effect when
| you are at supersonic speeds and in "Moving Source" mode.
| nomel wrote:
| Notice that the default is "wind mode", which is why it appears
| that the waves are moving faster than the speed of sound.
| sandworm101 wrote:
| Small error. The pulse "rate" should be called pulse interval
| (more/right on the slider = fewer pulses per time, which would be
| a lower rare.)
|
| If you want to see a supersonic boom, switch to moving target at
| just over mach 1, and turn the sound on. And you can see you can
| still get much of the effect from a non-supersonic flypast. So
| hearing a "boom" does not necessarily mean something is
| supersonic.
| butlike wrote:
| I was able to get 13.5 waves/sec, though not consistently.
| tguvot wrote:
| at flight that I had bunch of years ago i peeked into printed out
| manuscript that guy sitting next to me was reading. it was
| something about "explosive formation of underwater shock wave and
| how it influences metal hulls". might have included something
| like DOD and MIL at footer.
|
| later I tried to google some of the phrases that I remembered,
| but couldn't find anything
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