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Applied Mathematics and Mechanics (English Edition) ›› 1996, Vol. 17 ›› Issue (1): 1-8.

• 论文 •    下一篇

THE DYNAMIC BUCKLING PROBLEM CAUSED BY PROPAGATION OF STRESS WAVE IN ELASTIC CYLINDRICAL SHELLS UNDER IMPACT TORQUE

韩强1, 马宏伟1, 张善元1, 杨桂通1, 武际可2   

  1. 1. Taiyuan University of Techanology, Taiyuan 030024, P. R. China;
    2. Peking Uing University Bejing 100871, P. R. China
  • 收稿日期:1994-11-18 出版日期:1996-01-18 发布日期:1996-01-18
  • 基金资助:
    Project supported by the Natural Science Foundation of China

THE DYNAMIC BUCKLING PROBLEM CAUSED BY PROPAGATION OF STRESS WAVE IN ELASTIC CYLINDRICAL SHELLS UNDER IMPACT TORQUE

Han Qiang1, Ma Hongwei1, Zhang Shanyuan1, Yang Guitong1, Wu Jike2   

  1. 1. Taiyuan University of Techanology, Taiyuan 030024, P. R. China;
    2. Peking Uing University Bejing 100871, P. R. China
  • Received:1994-11-18 Online:1996-01-18 Published:1996-01-18
  • Supported by:
    Project supported by the Natural Science Foundation of China

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摘要： The buckling problem of cylindrical shells has been studied by many mechanic researchers from different points of view. In this paper,an elastic cylindrical shell with semi-infinite length is studied Let its dynamic buckling under impact torque be reduced to a bifurcation problem caused by propagation of foe torsional stress wave. The bifurcation problem is converted to a solution of nonlinear equations,the lateral inertia effect on the dynamic buckling is also discussed.Finally, numerical computation is carried out,from this,some beneficial conclusions are obtained.

Abstract: The buckling problem of cylindrical shells has been studied by many mechanic researchers from different points of view. In this paper,an elastic cylindrical shell with semi-infinite length is studied Let its dynamic buckling under impact torque be reduced to a bifurcation problem caused by propagation of foe torsional stress wave. The bifurcation problem is converted to a solution of nonlinear equations,the lateral inertia effect on the dynamic buckling is also discussed.Finally, numerical computation is carried out,from this,some beneficial conclusions are obtained.

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