Euler Equations: Ideal Fluid Flow

2D incompressible Euler equations solved via spectral vorticity method — vortex dynamics, streamlines

Parameters

0.003
8
0
Energy
0
Enstrophy
0
fps
Euler equations: ∂u/∂t + (u·∇)u = −∇p, ∇·u = 0.
In vorticity form: ∂ω/∂t + (u·∇)ω = ν∇²ω.
Solved via Fourier pseudo-spectral method on a periodic domain. Dealised with 2/3 rule.

Flow Field