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Research on the factors affecting impact force of thin-walled tubes
Pages: 763-766
Year: Issue:  4
Journal: Journal of Southwest University for Nationalities(Natrual Science Edition)

Keyword:  圆筒冲击屈曲承载力;
Abstract: 随着列车运行速度的提高,列车被动安全性受到越来越多的重视.金属薄壁圆筒既可以做为高速列车车体的简化模型,又可以做为能量吸收装置的模型.本文对薄壁圆筒轴对称屈曲时的平均承载力的三个近似公式进行了比较,研究了圆筒直径、厚度和碰撞速度对平均承载力的影响.
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