Interaction between encapsulated microbubbles: A finite element modelling study Projects supported by the National Natural Science Foundation of China (Grant Nos. 11474161, 11474001, 116741731, 1774166, 11774168, 81527803, 81627802, and 81420108018), the Fundamental Research Funds for the Central Universities, China (Grant No. 020414380109, and the Qing Lan Project, China. |
Dependence of (a) Rmax, (b) Rmin, and (c) D(t) on the bubble shell viscosity coefficient κs, with R1(0) = R2(0) = 1.5 μm, pmax = 0.05 MPa, f = 3.7 MHz, t = 100 μs, and bubble shell surface tension coefficient being fixed to be 0.32 N/m. |