Turbine bladed disks or blisks, which constitute critical components of most modern
turbomachinery, are known for their complex vibratory behavior. The nonlinear dynamics …

This paper presents a comprehensive review of recent advancements in modelling
approaches, design strategies, and testing techniques applied to friction damping in …

在对干摩擦阻尼非线性系统响应求解的高阶谐波平衡法, 摩擦力时域求解的时间推进法以及时频
转换(AFT) 法中的关键技术进行介绍的基础上, 采用将时频转换法与高阶谐波平衡法相结合的 …

总结了航空发动机中的典型干摩擦阻尼器的结构形式及其工作原理, 并给出了干摩擦模型以及
接触运动模型的简化方法以及不同简化模型的优缺点和适用范围. 分析了干摩擦阻尼系统响应 …

In this paper, we propose a method to suppress the vibration of the integral bladed disk
('blisk'for short) in aero-engines using synchronized switch damping based on negative …

Finding efficient and accurate solution methods for nonlinear equilibrium equations is a
challenging task. This is the case of systems with friction-induced nonlinearities, eg, friction …

The key points of multi-harmonic balance method, time-marching procedure of obtainning
the friction force in time domain and alternating frequency-time (AFT) domain procedure …

The low inherent damping for thin-walled structures often leads to prominent vibrational
problem. This paper proposes a friction patch to enhance the damping for thin-walled …

提出了一种可用于增强薄壁结构阻尼的波纹形片状干摩擦阻尼器, 并利用一种改进的非线性动力
学计算方法对其稳态响应特性进行了分析. 首先通过两重减缩使非线性系统自由度变成接触节点 …

In the authors' previous work (MSSP 2017), we show that the synchronized switch damping
based on negative capacitor (SSDNC) is a good candidate for vibration suppression of …