Nonlinear Evolution of Benjamin-Bona-Mahony Wave Packet due to an Instability of a Pair of Modulations

Figure 9

(a) BBM’s MTAs for some values of wavenumbers: (magenta), (black), (red), and (blue) with . (b) BBM’s MTAs for some values of modulation frequencies (magenta), (black), (red), and (blue) with .

(a)

(b)