2D Pseudospectral Fluid Simulator

Click & Drag to Stir the Fluid

FPS 60

Solver time 1.2 ms

Kinetic Energy (E) 0.000

Enstrophy (Ω) 0.000

Reynolds Number (Re) 10,000

10 (Viscous) 1,000,000 (Turbulent)

Discretization Precision (N)

64 × 64 128 × 128 256 × 256

Solver Integration Scheme

RK2 (Accuracy) Euler (Performance)

Timestep CFL Scale (dt) 0.20

0.05 (Stable) 0.80 (Relaxed/Fast)

Brush Type

Vortex Core Radius 4%

Stirring Strength 1.0

Plot Streamlines (Flow Trails)

Flow Particle Density 1,200

Plot Streamfunction Contours

Color Palette

Render Variable