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Navier–Stokes equation (2D incompressible), solved live numerically on a discrete grid ρ (∂u/∂t + u·∇u) = −∇p + μ Δu + f, ∇·u = 0 The ink (the white stuff on the left) is added so you can see the motion of the fluid.

Paata Ivanisvili

7,552 subscribers

41,383 Aufrufe • vor 2 Monaten •via X (Twitter)

Wissenschaft & Technologie Bildung

Anya Rossi• Live Now

Private livecam show

14 Kommentare

Profilbild von dgero

dgerovor 2 Monaten

Nice live visualization of the equations! Here’s a real-world laminar → turbulent transition in the Isar Canal (single frame vs. average from a 4K video).

Profilbild von 🌍 📈 Ethan Connelly 🍻

🌍 📈 Ethan Connelly 🍻vor 2 Monaten

Built something similar a while ago for reaction-diffusion patterns!

Profilbild von Sean Cook

Sean Cookvor 1 Monat

I enjoyed this.

Profilbild von Paata Ivanisvili

Paata Ivanisvilivor 1 Monat

I’ve watched this over and over, and it never gets boring

Profilbild von Matt Gibson

Matt Gibsonvor 2 Monaten

The contest/prize is rigged though because nature and reality is not smooth. Any thoughts on that?

Profilbild von Dezhe Jin

Dezhe Jinvor 2 Monaten

Where is cascade to larger scales? 2D turbulence is very different from 3D turbulence. The movie says nothing about the correctness of the simulation

Profilbild von Reynolds BEng 2.20

Reynolds BEng 2.20vor 2 Monaten

PhDad. Appendix A, Project 2 Navier Stokes Solution

Profilbild von DaveJannis

DaveJannisvor 1 Monat

What does this conjecture try to prove/disprove...sry, im lost

Profilbild von S. L. U.

S. L. U.vor 1 Monat

Awesome 👏

Profilbild von ⓧ augerd 🜏 ∞ 🜏

ⓧ augerd 🜏 ∞ 🜏vor 2 Monaten

nice!

Profilbild von Dr. D 🌱

Dr. D 🌱vor 2 Monaten

Now do 3D

Profilbild von mattyjags

mattyjagsvor 1 Monat

Thats interesting as i dont see the way you designed said grid. I happen to know the only determanistic grid that can do this because i built it....the question then becomes why...

Profilbild von Ralf Stephan

Ralf Stephanvor 2 Monaten

That looks very fractaly.

Profilbild von Joe Maj

Joe Majvor 1 Monat

How about air over an airfoil, Reynolds number ~10^6

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Tao: If u dye ur hair red, I’ll dye mine blue. If u wear the eyebrow studs on the left, I’ll wear it on the right. we have to match😂 Lu: why is ur face so red? Tao: If u don’t want to see my red face I can dim the lights a bit Lu: never mind u won't be seen after turning it off

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Quin69 gives his take on the lack of evidence found in Lacari's forensics investigation "What can u go off outside of evidence..if there was evidence saying..there was c p on his computer, accessing websites that had c p on them..those websites didn't have c p on them, his hard drive didn't have c p on them" "Outside of what actually happened, what can u do..it's not as simple as just wiping, u press delete on ur item in computer..u can still recover it, even if u write over it..u can still get fragments..the amount of sht these forensics mofos can get is insane" "U have to just go off the facts..I get it, p do bad..mrder them, I'm down bro but are u gonna do that without evidence?” “Would u put someone to deth bc there's some stuff that looks bad and looks like they might have done some bad sht or would u put them de*th bc oh no we have actual evidence that confirms 100%..if ur gonna accuse someone of this, u better have some serious proof and what I'm saying, where's the proof at bro"

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