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题名: Failure analysis of a frangible composite cover: A transient-dynamics study
作者: Cai, Deng'an; Zhou, Guangming; Qian, Yuan; Silberschmidt, Vadim V.
刊名: JOURNAL OF COMPOSITE MATERIALS
出版日期: 2017
卷号: 51, 期号:18, 页码:2607-2617
英文摘要: A transient-dynamics model based on the approximate Riemann algorithm is proposed for the failure analysis of a frangible composite canister cover. The frangible cover, manufactured with a traditional manual lay-up method, is designed to conduct a simulated missile launch test using a specially developed test device. Deformation of the cover's centre is determined using a transient-dynamics finite element model; failure pressure for the frangible cover is obtained based on a failure criterion and compared with simulated experimental results. Weak-zone position of the frangible cover has a significant effect on failure pressure compared to that of deformation of the cover's centre. With the same structure of the weak-zone, an increase in its height can first raise and then reduce the level of failure pressure of the frangible cover. Close agreements between the experimental and numerical results are observed.
语种: 英语
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/17353
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