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Effect of soil-structure interaction on the nonlinear response of an inextensional beam on elastic foundation

机译:土-结构相互作用对弹性地基上伸缩梁非线性响应的影响

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摘要

The nonlinear response of a beam on elastic foundation subjected to the harmonic excitation is investigated, and the effect of soil-structure interaction on the primary resonance of the beam is analyzed. Considering the inextensional condition, the nonlinear equation of motion of a beam on elastic foundation is proposed via the Hamilton principle. Then, the method of multiple scales is used to obtain the frequency-response equation and second-order approximate solution of the dynamic response of the beam on elastic foundation. Finally, numerical results are presented to investigate the effects of the second-order moment, foundation models, Winkler parameter and excitation amplitude on the primary resonance of the beam on elastic foundation.
机译:研究了梁在弹性基础上的简谐响应的非线性响应,分析了土-结构相互作用对梁主共振的影响。考虑到拉伸条件,通过汉密尔顿原理提出了梁在弹性地基上的非线性运动方程。然后,采用多尺度法获得梁在弹性地基上的动力响应的频率响应方程和二阶近似解。最后,给出了数值结果,以研究二阶矩,基础模型,Winkler参数和激励幅度对弹性基础上梁的主共振的影响。

著录项

  • 来源
    《Archive of Applied Mechanics》 |2015年第2期|273-285|共13页
  • 作者单位

    School of Civil Engineering, Henan University of Science and Technology, Luoyang 471023, Henan, People's Republic of China;

    School of Civil Engineering, Hunan University of Science and Technology, Xiangtan 411201, Hunan, People's Republic of China;

    School of Civil Engineering, Henan University of Science and Technology, Luoyang 471023, Henan, People's Republic of China;

    School of Civil Engineering, Henan University of Science and Technology, Luoyang 471023, Henan, People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Inextensional beam; Elastic foundation; Soil-structure interaction; Primary resonance; Frequency-response spectra;

    机译:伸缩梁弹性基础;土壤-结构相互作用;初级共振;频响谱;

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