A novel wavelet-based finite element method for the analysis of rotor-bearing systems

被引：13
|
作者：
Xiang, Jiawei [1 ]
Chen, Dongdi [1 ]
Chen, Xuefeng [2 ]
He, Zhengjia [2 ]
机构：
[1] Guilin Univ Elect Technol, Sch Mechantron Engn, Guilin 541004, Peoples R China
[2] Xi An Jiao Tong Univ, Sch Mech Engn, Xian 710049, Peoples R China
来源：
FINITE ELEMENTS IN ANALYSIS AND DESIGN | 2009年 / 45卷 / 12期
基金：
中国国家自然科学基金;
关键词：
B-spline wavelet on the interval; Wavelet-based shaft elements; Rotor-bearing system; Modal analysis; B-SPLINE WAVELET; DYNAMIC-RESPONSE; MODAL REDUCTION; WHIRL SPEEDS; CONSTRUCTION; INTERVAL; MATRIX;
D O I：
10.1016/j.finel.2009.09.001
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
The rotor dynamic theory, combined with finite element method, has been widely used over the last three decades in order to calculate the dynamic parameters in rotor-bearing systems. Since the wavelet-based elements offer multi-scale models, particularly in modeling complex systems, the wavelet-based rotating shaft elements are constructed to model rotor-bearing systems. The effects of translational and rotatory inertia, the gyroscopic moments, the transverse shear deformations, and the internal viscous and hysteretic dampings are considered in the present formulation. Numerical examples and experimental studies show the correctness of the wavelet-based finite element model of rotor-bearing system. Results of forward and backward whirl speeds and damped stability are presented and compared with other published works. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：908 / 916
页数：9
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