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 …

A new method for the dynamic analysis of mistuned bladed disks is presented. The method
is based on exact calculation of the response of a mistuned system using response levels for …

This paper describes a measurement system designed to determine the hysteresis that
develops between two surfaces as a result of small-amplitude tangential relative motion …

One of the main tasks in the design of turbomachines like turbines, compressors, and fans is
to increase the reliability and efficiency of the arrangement. Failures due to blade cracks are …

In this paper, we deal with the vibrational behavior of mechanical structures interconnected
by contacts with friction. The focus is set on the utilization of friction forces that are generated …

During operation, the rotating blades of a gas turbine are subjected to centrifugal forces as
well as fluctuating gas forces, resulting in blade vibrations. In addition to material damping …

In the field of turbomachinery, vibration amplitude is often reduced by dissipating the kinetic
energy of the blades with devices that utilize dry friction. Under-platform dampers, for …

The vibration amplitudes of bladed disk assemblies can be reduced significantly by means
of friction damping devices such as shrouds, damping wires and interblade friction dampers …

Many engineering structures are composed of weakly coupled sectors assembled in a cyclic
and ideally symmetric configuration, which can be simplified as forced Duffing oscillators. In …

Friction-induced vibrations are known to affect many engineering applications. Here, we
study a chain of friction-excited oscillators with nearest neighbor elastic coupling. The …