STRUCTURAL RELIABILITY ANALYSIS OF AN AEROENGINE WITH COMPLEX UNCERTAINTY

Wang Zhenying; Lu Wenlin; Fan Xing

Chinese

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STRUCTURAL RELIABILITY ANALYSIS OF AN AEROENGINE WITH COMPLEX UNCERTAINTY

更新时间：2026-07-07

- STRUCTURAL RELIABILITY ANALYSIS OF AN AEROENGINE WITH COMPLEX UNCERTAINTY
- Vol. 10, Issue 3, (1995)
- 作者机构：
  
  西北工业大学
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1995
- 稿件说明：
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Wang Zhenying, Lu Wenlin, Fan Xing. STRUCTURAL RELIABILITY ANALYSIS OF AN AEROENGINE WITH COMPLEX UNCERTAINTY[J]. 1995, 10(3).
DOI：

Wang Zhenying, Lu Wenlin, Fan Xing. STRUCTURAL RELIABILITY ANALYSIS OF AN AEROENGINE WITH COMPLEX UNCERTAINTY[J]. 1995, 10(3). DOI：

摘要

同时考虑航空发动机材料的随机性

结构几何形状的随机性

随机载荷和随机边界条件

研究复合随机因素下的概率有限元

在摄动法的基础上推导出结构的随机应力场

并建立相应的可靠性理论。分析随机因素的特征后

导出现有的航空发动机结构可靠性分析的各种计算方法

并进行了航空发动机的轮盘的可靠性分析。

Abstract

Random meterial properties

geometrical shapes

forces and displacement boundary condition of an aeroengine are directly introduced into functional variational formulations and a unified random variational principle and the probabilistic finite element method with the small parameter perturbation method are provided.Based on second-order perturbation technique

the formulations for the random stresses and the reliability of the aeroengine′s structures are derived.According to analysis the characteristics of these random parameters

the simple methods for analyzing the aeroengine structural reliabilty are obtained.At last

the reliability of a rotating disk of the aeroengine is analyzed with a simple numerical example.

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Related Author

Wang Zhenying

Lü Wenlin

WANG Yuan

LI Qiu-hong

HUANG Xiang-hua

WU Qian

ZHENG Hai-fei

TANG Hao

Related Institution

Dept.,Northwestern Polytechnical University,Xi′an

Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics

College of Energy and Power Engineering,Nanjing University of Aeronautics and Astronautics

College of Aeronautical Engineering, Civil Aviation University of China

School of Power and Energy,Northwestern Polytechnical University

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