基于ANSYS的压气机盘片结构分析及改进  

Structure Analysis and Improvement of Compressor Disc Based on ANSYS

作　　者：张忠伟 Zhang Zhongwei

机构地区：[1]沈阳鼓风机集团股份有限公司,110020

出　　处：《工程机械》2022年第8期63-67,I0018,共6页Construction Machinery and Equipment

摘　　要：基于周期对称结构的有限元分析方法,对某压气机盘片结构进行强度分析,并进行结构改进,降低叶根的应力水平,提升整个结构的安全裕度。对改进后的盘片结构进行振动特性分析,采用安全图(Safe diagram)识别共振点,考察该结构的振动安全性。分析结果显示该结构无共振风险。Based on the f inite element a nalysis method for periodic symmetric structure,the strength of a compressor disc structure is analyzed,and the structure is improved to reduce the stress level of the blade root and improve the safety margin of the whole structure.The vibration characteristics of the improved disc structure are analyzed,the Safe diagram is used to identify the resonance points and examine the vibration safety of the structure,and the structure is free of resonance risk.

关 键 词：压气机盘片 有限元 结构改进 

分 类 号：TH45[机械工程—机械制造及自动化] TB115[理学—数学]