Optimal design of nonlinear squeeze film damper using hybrid global optimization technique

被引:11
|
作者
Ahn, Young Kong
Kim, Yong Han
Yang, Bo-Suk
Ahn, Kyoung Kwan
Morishita, Shin
机构
[1] Queensland Univ Technol, Sch Engn Syst, Brisbane, Qld 4001, Australia
[2] Pukyong Natl Univ, Sch Mech Engn, Pusan 608739, South Korea
[3] Univ Ulsan, Res Ctr Machine Parts & Mat Proc, Sch Mech & Automot Engn, Ulsan 680749, South Korea
[4] Yokohama Natl Univ, Grad Sch Environm & Informat Sci, Hodogaya Ku, Yokohama, Kanagawa 2408501, Japan
关键词
squeeze film damper; nonlinear response; optimal design; simulated annealing algorithm; genetic algorithm;
D O I
10.1007/BF02916012
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
The optimal design of the squeeze film damper (SFD) for rotor system has been studied in previous researches. However, these researches have not been considering jumping or nonlinear phenomena of a rotor system with SFD. This paper represents an optimization technique for linear and nonlinear response of a simple rotor system with SFDs by using a hybrid GA-SA algorithm which combined enhanced genetic algorithm (GA) with simulated annealing algorithm (SA). The damper design parameters are the radius, length and radial clearance of the damper. The objective function is to minimize the transmitted load between SFD and foundation at the operating and critical speeds of the rotor system with SFD which has linear and nonlinear unbalance responses. The numerical results show that the transmitted load of the SFD is greatly reduced in linear and nonlinear responses for the rotor system.
引用
收藏
页码:1125 / 1138
页数:14
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