FIG. 15.

(Color online) Bubble shape normal velocity contours and velocity vectors at three time steps (during growth, at maximum volume, and at minimum volume prior to rebound) when the microbubble is subjected to a sinusoidal acoustic wave with ΔP = 1 MPa, $P_{\mathit{a}\mathit{t}\mathit{m}}=0.1\hspace{0.17em}\text{MPa}$ and f = 2.5 MHz at an initial standoff of 2.85 μm with R₀ = 1.45 μm. Equivalent 3-D zero-thickness model with dilatational viscosity turned off artificially.