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Alternative TitleSimulation Analysis for Vibration Characteristics of Helicopter Airborne Equipment
王和伟; 袁学庆; 许凯林
Source Publication机械设计与制造
Issue2Pages:43-45, 49
Contribution Rank1
Funding Organization国家青年基金(61503369)
Keyword直升机振动 混合振动 模态分析 振动仿真分析
Other AbstractIn this paper,the characteristics of the vibration environment for helicopter airborne equipment are described briefly. The energy equivalence principle is proposed for the conversion of the sine-random hybrid vibration to the broadband-narrowband random vibration. Then,the setting mode of boundary conditions and the specific simulation steps are discussed in detail. This method makes the computer simulation be available for usage. Modal simulation and random vibration simulation are successfully conducted to the structure of power box shell. Vibration response results and the maximum equivalent stress of the shell under excitation spectrum are obtained. The reason for energy mutation and the judgment method for stress results are analyzed as well. Finally,the reliability of simulation results is verified by experiments. Research results can sever to provide a theoretical basis and realization method for the vibration simulation of helicopter airborne equipment.
Document Type期刊论文
Corresponding Author王和伟
Recommended Citation
GB/T 7714
王和伟,袁学庆,许凯林. 直升飞机机载设备振动特性仿真分析[J]. 机械设计与制造,2017(2):43-45, 49.
APA 王和伟,袁学庆,&许凯林.(2017).直升飞机机载设备振动特性仿真分析.机械设计与制造(2),43-45, 49.
MLA 王和伟,et al."直升飞机机载设备振动特性仿真分析".机械设计与制造 .2(2017):43-45, 49.
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