噪声与振动控制2019，Vol.39Issue(4)：162-166,5.DOI:10.3969/j.issn.1006-1355.2019.04.030
傅里叶单元在航空发动机机匣强度振动分析中的应用
Application of Fourier Elements in Strength and Vibration Analysis of Aircraft Engine Casing
况成玉 1陆晓锋2
作者信息
- 1. 中国航发商用航空发动机有限责任公司,上海 200241
- 2. 中国航发商用航空发动机有限责任公司,上海 200241
- 折叠
摘要
Abstract
Application of axisymmetric Fourier elements in ANSYS software to the strength and vibration calculation of aircraft engine casing with axisymmetric feature is studied. By setting the reinforcing bars in the circumferentially expanded surface of the Fourier elements, the axisymmetric Fourier elements are applicable to dealing with the stress and vibration problems of the aircraft engine casing which is basically axisymmetric but locally asymmetric. Results show that compared with 3D solid element model, the axisymmetric Fourier elements can effectively reduce the computer time for aircraft engine casing analysis with the accuracy guaranteed. Furthermore, using this method can obtain the uneven distribution of stress and deflection along the circumferential edge and the vibration analysis results of the engine casing, which cannot be obtained by the traditional axisymmetric finite element analysis of the aircraft engine casing.关键词
vibration and wave/ vibration/ deflection and stress/ aircraft engine/ casing/ Fourier element/ simulationKey words
vibration and wave/ vibration/ deflection and stress/ aircraft engine/ casing/ Fourier element/ simulation分类
数理科学引用本文复制引用
况成玉,陆晓锋..傅里叶单元在航空发动机机匣强度振动分析中的应用[J].噪声与振动控制,2019,39(4):162-166,5.
