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有限长Timoshenko梁弹性碰撞接触瞬间的动态特性

THE CHARACTERISTICS OF TIMOSHENKO BEAM DURING THE PROCESS OF ELASTIC IMPACT AND CONTACT

  • 摘要: 给出了质点与有限长Timoshenko梁横向弹性碰撞接触问题的半解析解,分析了该碰撞问题在碰撞接触瞬间的动态响应特性:揭示了其中的波传播现象.

     

    Abstract: In this paper, the semi-analytical solutions for a particle impacting on simply-supported Timoshenko beam with finite length is obtained by using the method of mode superposition. The characteristics of impact loads varying with respect to time is given, several interesting conclusions about the impact loads are presented, and the exact values of impact loads at initial moment of impact is derived and verified. The propagating characteristics of longitudinal waves and shear waves in a finite-length beam is ...

     

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