Chladni Figures
Standing wave patterns on a vibrating plate — sand collects at nodal lines where amplitude = 0.
m
3
n
2
Threshold
0.08
Color
Classic (sand)
Neon nodal
Heat map
Phase colors
Draw
Animate time
f(x,y) = cos(mπx)cos(nπy) + cos(nπx)cos(mπy) — nodal lines where |f| < ε