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Validating · emergence

Wave interference simulation

When two coherent wave sources overlap, do they interfere — and does the pattern obey the wave equation's dispersion relation?

▶ Run the simulationSee the measured result

Measured by the lab
0.49992
Known value
0.5
Relative error
1.60e-4

How the lab tests it

Drive two in-phase point sources on a 2-D membrane (the wave equation ∂²u/∂t² = c²∇²u, absorbing borders), watch their circular waves overlap, and measure the wavelength λ from the field's spatial autocorrelation.

What it checks

interference — bright bands where the paths differ by a whole wavelength, dark nodal lines where they differ by a half — and the dispersion relation c = λ·f (the measured phase speed matching the model's wave speed)