this post was submitted on 27 Nov 2024
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[–] Sasha@lemmy.blahaj.zone 9 points 14 hours ago

Fluid mechanics guys are nuts, I can't believe people can write the mathematical equations that govern stuff like this, it's easily the most impressive and understated area of physics imo.

[–] M137@lemmy.world 8 points 14 hours ago (1 children)

"An example of viscous fingering in a Hele-Shaw cell."

haha

[–] regrub@lemmy.world 5 points 13 hours ago

Not to be confused with vicious fingering

[–] Sphks@lemmy.dbzer0.com 2 points 10 hours ago

Wow. That's why liquid glue looks like this when you remove the things you glue. Interesting.

[–] AbouBenAdhem@lemmy.world 7 points 13 hours ago* (last edited 13 hours ago)

As a consequence of the incompressibility of the flow and Darcy's law, the pressure fields must be harmonic...

Every time I start to feel complacent with my ignorance of complex analysis, another harmonic function pops out of the woodwork.