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Gauss色噪声激励下含黏弹力摩擦系统的随机响应分析

孙娇娇 徐伟 林子飞 周杨

孙娇娇, 徐伟, 林子飞, 周杨. Gauss色噪声激励下含黏弹力摩擦系统的随机响应分析[J]. 应用数学和力学, 2017, 38(1): 109-117. doi: 10.21656/1000-0887.370519
引用本文: 孙娇娇, 徐伟, 林子飞, 周杨. Gauss色噪声激励下含黏弹力摩擦系统的随机响应分析[J]. 应用数学和力学, 2017, 38(1): 109-117. doi: 10.21656/1000-0887.370519
SUN Jiao-jiao, XU Wei, LIN Zi-fei, ZHOU Yang. Random Responses Analysis of Friction Systems With Viscoelastic Forces Under Gaussian Colored Noise Excitation[J]. Applied Mathematics and Mechanics, 2017, 38(1): 109-117. doi: 10.21656/1000-0887.370519
Citation: SUN Jiao-jiao, XU Wei, LIN Zi-fei, ZHOU Yang. Random Responses Analysis of Friction Systems With Viscoelastic Forces Under Gaussian Colored Noise Excitation[J]. Applied Mathematics and Mechanics, 2017, 38(1): 109-117. doi: 10.21656/1000-0887.370519

Gauss色噪声激励下含黏弹力摩擦系统的随机响应分析

doi: 10.21656/1000-0887.370519
基金项目: 国家自然科学基金(11532011;11472212)
详细信息
    作者简介:

    孙娇娇(1990—),女,硕士生(E-mail: jiao5881409@mail.nwpu.edu.cn);徐伟(1957—),男,教授,博士,博士生导师(通讯作者. E-mail: weixu@nwpu.edu.cn).

  • 中图分类号: O324

Random Responses Analysis of Friction Systems With Viscoelastic Forces Under Gaussian Colored Noise Excitation

Funds: The National Natural Science Foundation of China(11532011;11472212)
  • 摘要: 研究了Gauss色噪声激励下含黏弹力、弱非线性阻尼的摩擦振子的随机响应.将适用于光滑系统的随机平均法推广到了非光滑摩擦系统,进而得到系统振幅、位移及速度的稳态概率密度函数.同时结合材料的黏弹性,研究了摩擦力和Gauss色噪声对系统响应的影响.研究表明,摩擦力、黏弹力及噪声项的相关参数均可引起随机P-分岔,并且在一定范围内系统响应对摩擦力极为敏感.此外,理论结果与Monte Carlo 模拟结果吻合较好,验证了方法的有效性.
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出版历程
  • 收稿日期:  2016-06-28
  • 刊出日期:  2017-01-15

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