The initial development of explosive field and the circleflow behavior, the entire spread court, with an obstacle around an explosive source was obtained and the law of shock wave around-flow was analyzed.

• 针对有障碍物阻档时空气冲击波的环流现象进行数值模拟，得到在爆源周围有障碍物时爆炸场初始发展、环流情况及整个传播过程，并分析了空气冲击波的环流规律。