Fig. 1. Initial temperature of hot core

Fig. 2. Specific heat capacity and viscosity of air plasma

Fig. 3. Comparison between simulation and experiment of shock wave radius

Fig. 4. Schlieren images and density gradient contours of hot core at t = 60 μs, t = 90 μs and t = 120 μs

Fig. 5. Contours of density gradient and pressure at t = 7 μs

Fig. 6. Contours of density gradient and pressure at t = 22 μs

Fig. 7. Boundary conditions and grid division

Fig. 8. Comparison of density gradient contour and schlieren image without laser energy deposition

Fig. 9. Curves of normalized wave drag with single pules laser energy deposition

Fig. 10. Contours of density gradient and pressure at t = 36.5 μs

Fig. 11. Contours of density gradient and pressure at t = 47.3 μs

Fig. 12. Contours of density gradient and pressure at t = 53.2 μs

Fig. 13. Contours of density gradient and pressure at t = 150 μs

Fig. 14. Contours of density gradient and pressure at t = 220 μs