Buckling of plates and tubes plays an important role in structural safety and energy absorption. Although buckling of plates and tubes has been studied theoretically and experimentally in the past, the effects of aspect ratio and side constraint on buckling of multi-wall structures and tubes has not been investigated systematically. In this work, finite element simulations have been carried out to investigate the buckling behavior of multi-wall structures and tubes. A series of one- to three-panel walls and square tubes with various aspect ratios were simulated. The critical aspect ratios causing buckling mode transition were obtained and compared with theoretical predictions available in the literature. Effects of wall angle and side constraint on buckling behavior were investigated. The relevance of research findings to honeycomb-like structures was discussed.
- Manufacturing Engineering Division
Effects of Aspect Ratio and Side Constraints on Elastic Buckling of Multi Wall Structures and Tubes
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Chattopadhyay, AP, Frink, E, Lease, K, & Xin, XJ. "Effects of Aspect Ratio and Side Constraints on Elastic Buckling of Multi Wall Structures and Tubes." Proceedings of the ASME 2011 International Manufacturing Science and Engineering Conference. ASME 2011 International Manufacturing Science and Engineering Conference, Volume 2. Corvallis, Oregon, USA. June 13–17, 2011. pp. 181-190. ASME. https://doi.org/10.1115/MSEC2011-50048
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