Multi-objective Optimization Design of Rotor-squeeze Film Damper System Based on Cell Mapping Method

doi:10.3901/JME.2019.19.068

Abstract

Abstract: A centralized squeeze film damper is optimized employing cell mapping method, considering the dynamics of rotor system. The designed parameters are the stiffness of centering spring and SFD oil film clearance. Considering the bottoming out of SFD journal, dynamical response and stability of rotor system, multi-objective optimization is carried out to suppress the vibration and transmitted force when traversing the critical speeds. After the Pareto front and Pareto set are obtained, experiments are conducted to validate the numerical results. The results show that the designed parameters picked from Pareto set satisfy the operating requirements, and the proposed method is effective to the design of squeeze film damper.

Key words: squeeze film damper, rotor system, multi-objective optimization, cell mapping

CLC Number:

TG156

ZHANG Wei, HAN Bingbing, LI Xiang, SUN Jianqiao, DING Qian. Multi-objective Optimization Design of Rotor-squeeze Film Damper System Based on Cell Mapping Method[J]. Journal of Mechanical Engineering, 2019, 55(19): 68-74.

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