Mechanical connections play a significant role in predicting dynamic characteristics of
assembled structures. Therefore, equivalent dynamic models for joints are needed. Due to …

研究螺栓连接特性(如螺栓个数和预紧力大小) 对航空发动机高压转子连接结构弯曲刚度的影响.
首先建立螺栓结合面精细化有限元模型, 利用ANSYS 软件对不同螺栓个数和不同预紧力条件下 …

The stiffness characteristics of the contact interfaces in joints or boundary conditions have a
great effect on dynamic response of assembled structures. Predictive analytical/numerical …

A direct procedure is proposed for identifying the joint parameters in a linear
servomechanism with multiple joints. The linear dynamical equations of a mechanical …

Abstract Rotor Internal Damping (RID) was the first recognised cause of rotordynamic self-
induced vibration over a century ago. Hardware fixes (special dampers, redesigned rotor fits …

On the Effectiveness of Using Only Eigenvalues in Structural Model Updating Problems
Page 1 AS Nobari D. J. Ewins Mechanical Engineering Department Imperial College, UK …

摘要結構中各種不同的接點, 對於結構的靜態和動態特性有很大的影響, 而接點亦是結構中最難
利用分析方式準確建模的部份. 本實驗室曾發展以修正子結構合成法鑑別結構接點之研究 …

The thesis is devoted to the study of the dynamics of structures such as turbine bladed disks
for aeronautic applications. The subject will be explored through the chapters in order to …

The problem of structural damage detection based on measured frequency response
functions of the structure in its damaged and undamaged states is considered. A novel …

With the advent of delicate and high speed structures like aircraft and rotating machines,
researchers have been discovering the importance of joint effects on the structural dynamic …