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中文摘要：
为了比较不同的数值模拟方法进行动力响应分析的优缺点，采用爆腔内壁施加经验压力和高爆炸药材料模型（ALE算法）模拟爆炸荷载，分析了部分埋置结构的动力响应．结果表明：爆腔内壁施加经验压力时程模拟爆炸荷载的方法与Lagrangian算法模拟爆炸荷载的方法所得的数值结果相近，但其计算精度低于ALE算法，Lagrangian算法和ALE算法相比，所需计算工作量较少，爆腔内壁施加经验压力模拟爆炸荷载的方法在实用性上具有一定的优势．
英文摘要：
In this paper, the numerical simulation of the dynamic response inside partially-buried structures is studied out by the LS-DYNA3D program. During the simulation of the explosive loads, there are two methods. One is that equivalent pressure time-histories inside explosive cavity are used to simulate the loads. The other is that using a piece of DYNA3D material specifically designed for simulating high explosive detonation （ALE）. The results indicate that the numerical simulated precision of method and the precision of Lagrangian method is very close. The precision of the ALE method is much higher than the above metioned two methods, but more computing time is required. So the equivalent pressure time-histories inside explosive cavity method is superior in practice.
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