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带窗口准等熵压缩实验的流场反演技术 被引量:6

Backward analysis for isentropic compression experiments with windows backed on samples
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摘要 在一维拉格朗日平面准等熵压缩流体力学的基础上,建立了带窗口准等熵压缩实验流场反演方法,给出了界面处压力历史的求法,编制了实现流场反演技术的程序,并与一般流体力学计算进行了比较;对Z575号实验给出的界面速度历史进行了反演计算,给出了的Al 6061-T6等熵压缩线。 A one-dimensional Lagrangian backward integeration method was used to analyze VISAR records of isentropic compression experiments. The pressure history at the window-sample interface calculated by the interface velocity history was proved to be successful. A contrast calculation shows that the backward method is as accurate as the forward method. Analysis of the Z575 experiments shows that the isentropic compression curves of Al 6061-T6 are in good agreement with that by Hall C A.
出处 《爆炸与冲击》 EI CAS CSCD 北大核心 2009年第1期101-104,共4页 Explosion and Shock Waves
基金 国家自然科学基金项目(10472108) 中国工程物理研究院重大基金项目(2004Z0101) 中国工程物理研究院科学技术发展基金项目(2007B01004) 四川省青年基金项目
关键词 流体力学 流场反演方法(反积分方法) Lagrange分析 准等熵压缩实验 窗口 fluid mechanics backward integration method Lagrange analysis isentropic compression experiment window
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参考文献4

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