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.

Cai Chen-Liang1, Yu Jie1, Tu Juan1, †, Guo Xia-Sheng1, Huang Pin-Tong2, Zhang Dong1, 3, ‡
       

Temporal evolution of (a) the radius and (b) the distance between bubbles with the same size. The part enclosed by a dashed circle is enlarged as shown in the inset. The initial bubble radii are R1(0) = R2(0) = 1.5 μm. The acoustic driving parameters are f = 3.7 MHz and pmax = 0.05 MPa.