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Snap-through Response Analysis of High-temperature Structure Under Random Pressure Loading
Author(s): LI Ji-yong, SHA Yun-dong, TANG Jin, ZHANG Zhen
Pages: 5-
9
Year: 2011
Issue:
1
Journal: Journal of Shenyang Institute of Aeronautical Engineering
Keyword: 高温薄壁结构; 随机压力载荷; 热屈曲; 跳变响应;
Abstract: 先进的航空航天器结构暴露在严酷的工作载荷环境中,包括复杂的机械力载荷、压力载荷、声载荷和热载荷,这些载荷会导致结构以非线性方式响应.研究了随机压力载荷作用下高温薄壁结构动态响应计算方法,并构建了计算模型.首先讨论了温度对结构刚度的影响,分析表明屈曲前结构刚度随温度升高而降低,屈曲后结构刚度随温度升高而升高.在此基础上着重讨论了随机压力载荷作用下高温薄板跳变响应,对热载荷作用下的结构屈曲,以及在随机...
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