基于ANSYS的航空发动机外部管路振动仿真分析
Vibration Simulation Analysis on Aeroengine External Pipelines Based on ANSYS

DOI: 10.12677/OJAV.2022.101001, PP. 1-8

Keywords: 航空发动机，外部管路，模态分析，振动响应
Aero-Engine, External Pipeline, Modal Analysis, Vibration Response

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Abstract:

基于ANSYS Workbench对航空发动机外部管路进行仿真分析。针对直管型管路、90？型管路、S型管路、Ω型管路及其不同壁厚，对管路固有频率、模态以及振动响应进行了分析。仿真分析结果表明，随着管路壁厚的增加，管路的固有频率也逐渐增加。直管型管路、S型管路、Ω型管路振动响应较小，90？型管路振动响应较大。分析结果为航空发动机外部管路优化设计提供了一定的依据。
The external pipelines of aeroengine were analyzed based on ANSYS Workbench. The natural frequency, mode and vibration response of straight pipes, 90？ pipes, s-pipes, Ω pipes with different thickness were analyzed. The simulation results show the natural frequency of the pipelines increase with the thickness of the pipelines. The vibration responses amplitude of straight pipeline, s-pipes and Ω pipes are smaller, but the vibration responses of 90？ pipelines are larger. This simulation results provide a bit of basis for the design and optimization of aeroengine external pipelines.

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