1D Lattice Model

Parameter
Mass :
Spring Constant :
Δt :
a : 32
Transverse wave Longitudinal wave
60fps 30fps
Hide u(x, t) (yellow line) Hide spring (green line)

Newton's equation of motion:
fomula1

Solution:
fomula2

fomula3

Phase velocity: fomula4 Group velocity: fomula5