Fig. 1. Pressure pulse applied on surface of droplet^[14]

Fig. 2. Geometric model. (a) Computational domain; (b) meshing

Fig. 3. Speed distributions inside droplet. (a) Uniform speed distribution on one side of illuminated surface; (b) Gaussian-type speed distribution

Fig. 4. Droplet propulsion speed versus absorbed laser energy

Fig. 5. Time evolution of droplet deformation when W_e＝4921.6

Fig. 6. Droplet deformation parameters versus time. (a) h; (b) R (simulation results are shown by dashed lines and theoretical prediction results are shown by solid lines); (c) Z; (d) relationship between rupture time and Weber number

Fig. 7. Droplet breakup morphologies and corresponding vorticities. (a)(d) t/τ_c＝0.579, W_e＝602.9; (b)(e) t/τ_c＝0.501，W_e＝996.6; (c)(f) t/τ_c＝0.334, W_e＝4921.6