开孔环面壳体的配筋设计与屈曲分析

IF 1.4 4区 工程技术 Q3 ENGINEERING, CIVIL
B. Zhao, Yongmei Zhu, Xialei He, Xilu Zhao, Baoji Yin
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引用次数: 3

摘要

摘要本文主要研究开孔环面壳体的配筋设计。制造了五个304不锈钢试验模型,并进行了几何测量、三维扫描和水压试验。根据测量的几何缺陷建立了扫描模型。数值模拟采用了线性屈曲分析(LBA)、几何和材料非线性分析(GMNA)以及几何和材料缺陷非线性分析(GM NIA)。试验结果与数值分析结果吻合较好,得到了一种有效的有限元方法。最后,建立了51个数值模拟来研究开口的尺寸、数量和形状对带开口的环面壳体屈曲载荷性能的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Reinforcement design and buckling analysis of toroidal shell with openings
Abstract This paper focuses on the wall reinforcement design of toroidal shells with openings. Five 304 stainless steel test models were manufactured, and geometric measurements, three-dimensional scanning, and hydrostatic tests were carried out. The scanning models were established according to the measured geometrical imperfections. Linear buckling analysis (LBA), geometrically and materially nonlinear analysis (GMNA), and geometrically and materially nonlinear analysis with imperfections (GMNIA) were used for numerical simulations. The test results were in good agreement with the numerical analysis results, and an effective finite element method was obtained. Finally, 51 numerical simulations were established to study the influence of the size, number, and shape of openings on the buckling load performance of the toroidal shell with openings.
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来源期刊
CiteScore
2.80
自引率
8.30%
发文量
37
审稿时长
>12 weeks
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