Anisotropic Heat Diffusion
Draw heat sources — watch directional spreading
κₓₓ:
2.0
κᵧᵧ:
0.5
θ:
°
0
Brush:
Hot
Cold
Wall
Clear
Add Blob
∂u/∂t = ∇·(K∇u) | Diffusivity tensor K rotated by angle θ | κₓₓ=fast axis, κᵧᵧ=slow axis | Click/drag to add heat