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可压缩射流冲击板结构的流固耦合动力学分析

DOI: 10.3969/j.issn.1006-7043. 201105091

Keywords: 可压缩射流冲击, 双渐近法, 流固耦合, 含气量

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Abstract:

为了获得可压缩射流冲击下板结构的流固耦合动力学特性,在双渐近法的基础上,针对射流问题的特殊性,将射流冲击问题的边界条件引入到双渐近方法的计算中,形成了一种新的适合于工程计算的数值方法.通过研究发现,冲击过程中,板的中心处会产生很大的冲击压力,并探明影响此压力的因素主要有冲击水柱含气量、板的材料、水柱横截面积、水柱头部形状和水柱速度.

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