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Author:

林晓虎 (林晓虎.) | 杨庆生 (杨庆生.) (Scholars:杨庆生)

Abstract:

  研究了泡沫铝夹芯双圆管结构在轴向冲击下的动力屈曲和吸能特性。采用显式动力有限元软件Ls-dyna,模拟了结构在轴向冲击速度作用下的动态屈曲,并分析了其吸能特性。研究表明,泡沫铝夹芯双圆管在轴向冲击下会发生失稳现象,在实际应用中应采取保护措施;相同材料不同直径的圆管在相同的冲击载荷下,直径较小的圆管先发生非轴对称屈曲。

Keyword:

轴向冲击 冲击载荷 动态性能 泡沫铝

Author Community:

  • [ 1 ] [林晓虎]北京工业大学机械工程与应用电子技术学院,100124
  • [ 2 ] [杨庆生]北京工业大学机械工程与应用电子技术学院,100124

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Source :

Year: 2012

Page: 191-192

Language: Chinese

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 9

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