干摩擦阻尼对失谐叶盘系统受迫振动的影响

刘雅琳 1; 上官博 2; 徐自力 3

doi:10.7652/xjtuxb201602019

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干摩擦阻尼对失谐叶盘系统受迫振动的影响

更新时间：2025-07-09

- 干摩擦阻尼对失谐叶盘系统受迫振动的影响
- Effects of Dry Friction Damping on Forced Vibration Response of Mistuned Bladed Disk
- 西安交通大学学报 2016年50卷第2期页码：111-117
- 作者机构：
  
  西安建筑科技大学环境与市政工程学院,西安,710055
- 作者简介：
- 基金信息：
  
  : 2015-03-08。作者简介: 刘雅琳(1983—),女,讲师;徐自力(通信作者),男,教授,博士生导师。基金项目: 国家自然科学基金资助项目(51505362,51275385,51405384)
- DOI：10.7652/xjtuxb201602019
  中图分类号： TK263.3
- 网络首发：2016-02-10，
  
  纸质出版：2016
- 稿件说明：
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刘雅琳 1, 上官博 2, 徐自力 3. 干摩擦阻尼对失谐叶盘系统受迫振动的影响[J]. 西安交通大学学报, 2016,50(2):111-117.

Effects of Dry Friction Damping on Forced Vibration Response of Mistuned Bladed Disk[J]. 2016, 50(2): 111-117.
刘雅琳 1, 上官博 2, 徐自力 3. 干摩擦阻尼对失谐叶盘系统受迫振动的影响[J]. 西安交通大学学报, 2016,50(2):111-117. DOI： 10.7652/xjtuxb201602019.

Effects of Dry Friction Damping on Forced Vibration Response of Mistuned Bladed Disk[J]. 2016, 50(2): 111-117. DOI： 10.7652/xjtuxb201602019.

摘要

针对目前含非线性干摩擦阻尼结构的失谐叶盘系统振动特性研究中

非线性干摩擦接触模型的建立及高自由度非线性系统的求解问题

采用抗混叠时频域融合算法和三维微滑移摩擦接触模型

对某含有非线性干摩擦阻尼结构的失谐叶盘系统的受迫振动响应进行计算分析

研究了干摩擦阻尼结构对失谐叶盘系统受迫振动响应的影响

并对含接触面非线性干摩擦失谐和叶盘系统失谐耦合作用下的双重失谐叶盘系统的振动特性进行了研究。结果表明:非线性摩擦阻尼结构对失谐叶盘系统的振动有抑制作用

在文中参数条件下振幅平均下降了9.53%; 摩擦阻尼结构对失谐叶盘中每支叶片的减振效果存在差异

每支叶片达到最佳减振效果时所对应的最优初始正压力不同; 接触产生的摩擦失谐对失谐叶盘系统同样有减振的作用; 当接触面法向刚度失谐与叶盘系统的失谐强度和失谐量分布相同时

摩擦阻尼减振作用比摩擦力协调时减弱

在文中参数条件下振幅平均下降量减少了3.45%。

Abstract

In the existing vibration characteristics research of mistuned bladed disk system with nonlinear dry friction damping structures

we have to encounter establishment of nonlinear friction contact model and solution of high degree of freedom nonlinear systems. Here the anti-aliasing hybrid frequency-time domain method and three-dimensional microslip friction contact model are chosen to evaluate the forced vibration response of a mistuned bladed disk with dry friction damping structure. The friction damping effect on forced vibration response of mistuned bladed disk

and the vibration characteristics of mistuned bladed disk under the condition of friction mistuned are investigated. It is found that the nonlinear friction vibration damping structure enables to inhibit vibration of mistuned bladed disk system with a 9.53% average amplitude decrease. The friction damping effect on each blade is different

and the corresponding optimal initial normal load of each blade reaching the optimal damping effect is not identical too. The normal contact stiffness mistuning and initial normal load mistuning also have the damping effect on the mistuned bladed disk. When the mistuned strength and mistuned distribution of the normal contact stiffness mistuning are the same as those of mistuned bladed disk

the friction damping effect attenuates in comparison with the situation of friction tuned

and the average decline of vibration amplitude reduces by 3.45%.

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references

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