Structure analysis and optimal design of corrugated cylindrical shells undergoing axial compression

GUI Liangjin; ZHU Shenfa; CHEN Weibo; ZHOU Chi; FAN Zijie

doi:10.16511/j.cnki.qhdxxb.2018.26.055

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Journal of Tsinghua University(Science and Technology) ›› 2019, Vol. 59 ›› Issue (3) : 219-227. DOI: 10.16511/j.cnki.qhdxxb.2018.26.055

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Structure analysis and optimal design of corrugated cylindrical shells undergoing axial compression

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Abstract

Corrugated sleeves are cylindrical shells with a special bulge in the central region, which are also called corrugated sleeves in automotive engineering. Both ends of the corrugated sleeve are straight. Corrugated sleeves have a distinct flat region in their axial force-compressive displacement curves. Corrugated sleeves with this axial load characteristic are used to preload bearings and absorb energy. Therefore, the axial characteristics are quite important in many designs. The axial compression of a corrugated sleeve was simulated here using the finite element method in ABAQUS with the results verified against tests. The axial force-displacement curves were predicted for various parameters to analyze the influence of the geometric parameters on the axial load characteristics. The FEA results were then used with multi-objective optimization to minimize the maximum equivalent plastic strain and maximize the platform width using the Non-dominated Sorting Genetic Algorithm Ⅱ. This method can be used to optimize the designs of corrugated sleeves for various conditions.

Key words

corrugated sleeve / bearing preload / axial force platform / structural analysis / multi-objective optimization

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GUI Liangjin, ZHU Shenfa, CHEN Weibo, ZHOU Chi, FAN Zijie. Structure analysis and optimal design of corrugated cylindrical shells undergoing axial compression[J]. Journal of Tsinghua University(Science and Technology). 2019, 59(3): 219-227 https://doi.org/10.16511/j.cnki.qhdxxb.2018.26.055

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