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应用SPH方法对平板铅飞层对碰凸起动载行为的数值模拟研究

DOI: 10.11858/gywlxb.2010.05.011, PP. 383-387

Keywords: 光滑粒子流体动力学,组合飞层,对碰凸起,铅

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Abstract:

采用光滑粒子流体动力学（SPH）方法，模拟研究了两点起爆圆柱炸药驱动组合飞层（铝+铅）的动载行为，得到了爆轰波对碰区铅飞层类似射流状超前凸起的计算图像。模拟结果表明，对碰凸起呈现与实验结果相同的分层结构，且凸起头部具有散碎特征，根部相对密实。因此，SPH方法能够较好地模拟铅这类低熔点、低强度金属在对碰区中出现的散碎等破坏现象。

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