Non-conservative stability of intermediate spring supported columns with an elastically restrained end support

Sen-Yung Lee, Hsiung Kuo Yee Hsiung Kuo

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)

摘要

The non-conservative stability of an intermediate spring supported uniform column clastically restrained at one end and subjected to a follower force at the other unsupported end is studied. It is found that when the intermediate spring support is far from the unsupported end, the instability mechanism is flutter. As the intermediate spring support approaches the unsupported end, the instability mechanism is changed from flutter to divergence with the increase of intermediate spring stiffness. For the hinged-intermediate and guided-intermediatc spring supported columns, the critical buckling load of flutter instability will first decrease, then increase as the intermediate spring stiffness is increased. Nevertheless, when the instability mechanism is divergence, the critical buckling load depends on the location of the intermediate spring support only, whereas for the clamped-intermediate spring supported column the critical buckling load of divergence instability decreases monotonically to a fixed value as the intermediate spring stiffness is increased. Finally, the influence of elastic end restraints on the stability of the column is also investigated.

原文English
頁(從 - 到)1129-1137
頁數9
期刊International Journal of Solids and Structures
28
發行號9
DOIs
出版狀態Published - 1991 1月 1

All Science Journal Classification (ASJC) codes

  • 機械工業
  • 材料力學

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