Influence of rotation on vibration characteristics of thick composite disks

被引：4
|
作者：
Koo, Kyo-Nam [1 ]
机构：
[1] Univ Ulsan, Dept Aerosp Engn, Ulsan 44610, South Korea
来源：
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2020年 / 27卷 / 08期
关键词：
Critical speed; natural frequency; rotary inertia; rotating disk; thick composite; transverse shear; ANISOTROPIC PLATES SUBJECT; ORTHOTROPIC ANNULAR DISKS; CRITICAL SPEEDS; NATURAL FREQUENCIES; SHEAR DEFORMATION; TRANSVERSE LOADS; ROTARY INERTIA; HEAT-SOURCES; DYNAMICS;
D O I：
10.1080/15376494.2018.1490832
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Thick composite disks are utilized in fast-rotating machines, including turbine disks and flywheels. Dynamic equations of motion for a rotating composite disk have been formulated in a polar coordinate system using Hamilton's principle, and numerical analysis has been performed by finite element interpolation. The natural frequencies of isotropic and laminated composite disks have been obtained when the rotational speed changes. The effects of transverse shear and rotary inertia on the vibration characteristics of rotating disks have also been investigated.
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页码：676 / 686
页数：11
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