Figure 4
From: Pure single-mode Rayleigh-Taylor instability for arbitrary Atwood numbers
Comparisons of the dimensionless velocities \(v\sqrt{k/g}\) of the bubbles (top a,b) and spikes (bottom c,d) among the present potential theory (dots), the present improved theory (pentagons) and the numerical simulation (stars) for Atwood numbers A = 0.2 (a,c) and A = 0.8 (b,d) vs dimensionless time \(\sqrt{kg}t\). The initial amplitude of the interface is kε = 0.1256.
