期刊文献+

随机激励的可积与不可积Hamilton系统的精确平稳解 被引量:2

原文传递
导出
摘要 Fokker-Planck-Kolmogrov(FPK)方程法是求非线性随机动态系统的精确解的唯一方法.迄今,只得到一些特殊的一阶非线性随机系统的精确瞬态解.对二阶及高阶非线性随机动态系统,只能得到精确平稳解,迄今最为一般的结果乃为随机激励的多自由度Hamilton系统得到.这种精确平稳解为Hamilton函数的泛函,具有能量等分之性质,即各自由度响应能量之比为常数.然而,受随机外激的多自由度时不变线性系统的响应呈Gauss分布,各自由度响应能量之比可由随机激励与阻尼力的大小与分布调配,这两种解的不一致性促使我们寻求具有非能量等分性质的多自由度非线性随机动态系统的精确平稳解.
作者 朱位秋
机构地区 浙江大学力学系
出处 《科学通报》 EI CAS CSCD 北大核心 1995年第21期1942-1946,共5页 Chinese Science Bulletin
基金 国家自然科学基金 国家教委博士点基金资助项目
  • 相关文献

参考文献3

  • 1朱位秋,Nonlinear Stochastic Mechanics,1992年
  • 2朱位秋,随机振动,1992年
  • 3朱位秋,Probabilistic Engineering Mechanics,1990年,5卷,84页

同被引文献25

  • 1罗恩,黄伟江,张贺忻.Unconventional Hamilton-type variational principle in phase space and symplectic algorithm[J].Science China(Physics,Mechanics & Astronomy),2003,46(3):248-258. 被引量:5
  • 2Zhu W Q,Rcent developent and applications of stochastic averaging method in random vlbration.Applled Mechanics Reviews,ASME,1996,49(10):part2,372-380.
  • 3Zhu W Q,Yang Y Q,Stochastic averaging of quasl-nonintegrable-Hamlltonian systems,Journal of Applied Mochanics,ASME,1997,64:157-164.
  • 4Zhu W Q,Huang Z L,Yang Y Q,Stochastic averaging of quasi-integrable-Hamlltonian systems,Journal of Applied Mechanics,ASME,1997,64:975-984.
  • 5Huang Z L,Zhu W Q,Exact stationary solutions of averaged equations of stochastically and harmonically excited MDOF quasi-linear systems with internal and/or external resonances,Journal of Sound and Viberation,1997,204:249-258.
  • 6Zhu W Q,Huang Z L,Lyapunov exponents and stochastic stability of quasi-integrable-Hamiltonian systems,submitted to Joumal of Applied Mechanics,ASME.
  • 7Huang Z L,Zhu W Q,Lyapunov exponents and almost-sure asymptotic stabllity of quasi-linear gyroscopic systems,submitted to Journal of Sound and Vibration.
  • 8Zhu W Q,Huang Z L,Stochastic stabllity of quasi-nonlintegrable-Hamiltonian systems,submitted to Journal of Sound and Vibration.
  • 9Khasminskii R Z.Sufficient and necessary conditions of almost sure asymptotic stabllity of linear stochastic systems.Theory of probability and applications,1967,11,390-405.
  • 10Oseledec V I.A multiplicative ergodic theorem Lyapunov characteristic number for dynamic systems,Transaction of the Moscow Mathematical Society,1968,19:197-231.

引证文献2

二级引证文献4

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部