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高压物理学报 2011

Pillow飞片气炮加载实验的数值模拟研究

DOI: 10.11858/gywlxb.2011.05.002, PP. 390-394

柏劲松,罗国强,黄娇凤,李平

Keywords: Pillow飞片,复杂加载,气炮实验,数值计算

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Abstract:

采用多介质弹塑性流体动力学计算方法，研制了适用于复杂加载的Lagrange计算程序MLEP，对劳伦斯利弗莫尔国家实验室（LawrenceLivermoreNationalLaboratory，LLNL）19层和冲击波物理与爆轰物理国防科技重点实验室（LaboratoryofShockWaveandDetonationPhysics，LSD）设计的29层Mg-Cu体系Pillow密度梯度飞片气炮加载实验过程进行了数值模拟和比较，获得的速度剖面计算结果与实验测试结果吻合一致，验证了流体动力学计算方法、不同材料体系混合模型以及计算程序的有效性和实用性，为进一步开展可控路径的复杂加载实验研究奠定了基础。

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