一类预紧偏心垫层结构的动态特性与稳定性分析

中国机械工程 ›› 2012, Vol. 23 ›› Issue (19): 2290-2296.

一类预紧偏心垫层结构的动态特性与稳定性分析

肖世富;沈展鹏;陈学前;刘信恩

中国工程物理研究院总体工程所,绵阳,621900

出版日期:2012-10-10 发布日期:2012-10-17
基金资助:
国家自然科学基金委员会-中国工程物理研究院联合基金资助项目(NSAF10876100)；中国工程物理研究院双百人才基金资助项目(ZX04002)；中国工程物理研究院重点基金资助项目(2011A0203010)

#br# Study on Dynamic Behavior and Stability of an Eccentric Pretightened Cushion Structure

Xiao Shifu;Shen Zhanpeng;Chen Xueqian;Liu Xinen

Institute of System Engineering,China Academy of Engineering Physics,Mianyang,Sichuan,621900

Online:2012-10-10 Published:2012-10-17

摘要/Abstract

摘要：

为研究预紧偏心垫层结构的动力学现象及其转动滑移机理,考虑其内层转动和层间相对滑移耦合自由度,建立了结构的动力学模型。数值分析了无滑子系统的动力学现象及稳态振动下的层间临界滑移激励强度;采用区间均匀分布描述初值的策略探讨解对初值的敏感性,统计分析了不同偏心量下全系统层间转动滑移平衡解的概率分布特性。
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关键词: 预紧偏心垫层结构, 强迫振动, 谐波共振, 转动滑移, 稳定性

Abstract:

For investigating the dynamic behavior and the slip mechanism of an eccentric pre-tightened cushion structure,a dynamic model with relatively rotary vibration and rotary slip DOFs of the system was established.The dynamic behavior of the system was analyzed numerically on the assumption that the system did not rotary slip.Then the critical slip load was studied as the system undergoing stead-state vibration.The sensitivity of rotary slip to the initial conditions subjecting to uniform distribution in an interval was anatomized and its probability distribution was calculated for the system with different eccentric properties.At the present work,some dynamic phenomena were founded or confirmed.The dynamic behavior and the slip mechanism,founded by this work,can guideline the slip-forbade design of the eccentric pre-tightened cushion structure.

Key words: eccentric pre-tightened cushion structure, forced vibration, harmonic resonance, rotary slip, stability

中图分类号:

TB123

肖世富, 沈展鹏, 陈学前, 刘信恩. 一类预紧偏心垫层结构的动态特性与稳定性分析[J]. 中国机械工程, 2012, 23(19): 2290-2296.

XIAO Shi-Fu, CHEN Zhan-Feng, CHEN Hua-Jian, LIU Shen-En. #br# Study on Dynamic Behavior and Stability of an Eccentric Pretightened Cushion Structure[J]. China Mechanical Engineering, 2012, 23(19): 2290-2296.

参考文献

[1]郭然[1],施惠基[1],郁向东[2].多层圆柱结构接触预紧力失效分析[J].工程力学,2003,20(4):192-198.
[2]牛莉莎[1],郁向东[2],等.非线性弹性材料在多层圆柱结构中接触预紧作用的模拟[J].机械强度,2002,24(1):128-132.
[3]刘占芳[1],王江[1],张华[1].带预紧硅泡沫垫层减振结构的动力特性[J].中国机械工程,2007,18(14):1668-1672.
[4]王江[1,2],周世良[3].带预紧硅泡沫垫层结构接触状态的有限元分析[J].重庆交通学院学报,2007,26(1):133-137.
[5]Mahesh S, Hanan J C, lsttindag E, et al. Shear--lag Model for a Single Fiber Metal Matrix Compos- ite with an Elasto-- plastic Matrix and a Slipping In- terface [J]. International Journal of Solids and Structures,2004,41(15) :4197-4218.
[6]Oden J T, Martins J A C. al Methods for Dynamic Models and Computation Friction Phenomena [J] Computer Methods in Applied Mechanics and Engi neering, 1985,52 (1) : 527-634.
[7]Giannakopoulos A E. The Return Mapping Method for the Integration of Friction Constitutive Relations [J]. Computer Structures,1989,32(1) :157-167.
[8]刘丽兰[1],刘宏昭[1],吴子英[1],王忠民[1].机械系统中摩擦模型的研究进展[J].力学进展,2008,38(2):201-213.
[9]Chen S,Sinha A. Probabilistic Method to Compute the Optimal Slip Load for a Mistuned Bladed Disk Assembly with Friction Dampers[J]. Journal of Vi- bration and Acoustics, 1990,112(2) : 214-221.
[10]Wang J H,Chen W K. Investigation of the Vibra tion of a Blade with Friction Damper by HBM[J] Journal of Engineering for Gas Turbines and Pow er, 1993,115(2) :294-299.
[11]Sanliturk K Y,Ewins D J,Elliott R, et al. Friction Damper Optimization: Simulation of Rainbow Tests[J]. Journal of Engineering for Gas Turbines and Power, 2001,123 (4) : 930-939.
[12]Ciavarella M. The Generalized Cattaneo Partial Slip Plane Contact Problem I--Theory[J]. International Journal of Solids Structure, 1998,35 (18) : 2349- 2362.
[13]Brun X F, Melkote S N. Modeling and Experimen- tal Verification of Partial Slip for Multiple Fric- tional Contact Problems[J]. Wear, 2008,265 ( 1 ) : 34-41.
[14]Wang R H,Jain V K, Mall S. A Non--uniform Friction Distribution Model for Partial Slip Fret- ting Contact[J]. Wear,2007,262(5) :607-616.
[15]Cigeroglu E, Lu Wangming, Menq C H. One-- di- mensional Dynamic Microslip Friction Model [J]. Journal of Sound and Vibration, 2006,292 (3) : 881- 898.