In the method, time, space and behaviors of system were linked together, thus a more authentic and visualized simulation on methane gas emitting, overspreading and congregating along tunnels was made.

• 该方法将时间、空间和系统行为有机地结合起来，在形象、直观、真实的条件下完成积聚在巷道系统中渗出、运移和积聚的仿真。