PMO OpenIR  > 星系中的恒星形成研究团组
Parameterization design for weak area structure of composite fragile cover
Cao, Ran; Zhou, Guang-Ming; Qian, Yuan; Cai, Deng-An; Huang, Xiang
2015
Source PublicationGuti Huojian Jishu/Journal of Solid Rocket Technology
Volume38Issue:4Pages:549-553 and 561
AbstractParametric design methods were proposed by the analysis of mechanical properties in the weak area of the composite fragile cover. Firstly, boundary conditions and load of the weak area were determined by numerical simulation for the whole cover. Secondly, the strength of weak area model was determined by numerical simulation under eleven different ratios of bending-stretching coupling load. The effect of thickness and length of lapped glass cloth on the strength of weak structure was discussed, and the strength envelopes were developed subsequently. Then based on the maximum principle stress rule, the curves of strength and structure parameters versus different bending-stretching coupling load were presented and parametric design method of the weak structure was proposed. According to the parametric design methods, two types of composite fragile covers were manufactured to rush experiments. The results show that shear strength is mainly affected by the length of glass cloth, while tensile strength is influenced by the thickness chiefly. The theoretical results are in close agreement with the experimental data and the mean error is about 10%, which proves the feasibility of the proposed parametric design method. ©, 2015, Journal of Solid Rocket Technology. All right reserved.
Subject Area天文和天体物理
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/14853
Collection星系中的恒星形成研究团组
Recommended Citation
GB/T 7714
Cao, Ran,Zhou, Guang-Ming,Qian, Yuan,et al. Parameterization design for weak area structure of composite fragile cover[J]. Guti Huojian Jishu/Journal of Solid Rocket Technology,2015,38(4):549-553 and 561.
APA Cao, Ran,Zhou, Guang-Ming,Qian, Yuan,Cai, Deng-An,&Huang, Xiang.(2015).Parameterization design for weak area structure of composite fragile cover.Guti Huojian Jishu/Journal of Solid Rocket Technology,38(4),549-553 and 561.
MLA Cao, Ran,et al."Parameterization design for weak area structure of composite fragile cover".Guti Huojian Jishu/Journal of Solid Rocket Technology 38.4(2015):549-553 and 561.
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