Visual Simulation and Case Inversion of Gas Explosion in Underground Mine

Table 2

Damage to the air door at different times.

Time	0.15 s	0.48 s	1.25 s	3.52 s
Damage of air door	F1	F2, F4, F5, F6, F14	F3, F7, F8, F11, F12, F15	F9, F10, F13, F18, F19