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内爆加载下果冻内外界面不稳定性数值计算

DOI: 10.11858/gywlxb.2004.04.002, PP. 295-301

Keywords: R-T界面不稳定性,高精度计算方法,内爆加载

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Abstract:

采用可压缩多介质流体高精度PPM方法对实验模型进行数值计算,针对果冻内外界面10模峰对峰、峰对谷振幅为1mm扰动模型,给出了与实验相对应时刻的数值计算结果,并对果冻内外界面位置、速度和加速度历史进行了详细分析。计算结果再现了复杂的实验现象,基本物理现象与实验图像以及计算结果和实验数据均相吻合。

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