Statistical characteristics of forced response in mistuned bladed disks based on high-fidelity finite element model

张秉杰; 臧朝平; PETROV E P

doi:10.13224/j.cnki.jasp.2019.01.016

Chinese

您当前的位置：

首页 >

文章列表页 >

Statistical characteristics of forced response in mistuned bladed disks based on high-fidelity finite element model

更新时间：2026-07-07

- Statistical characteristics of forced response in mistuned bladed disks based on high-fidelity finite element model
- Vol. 34, Issue 1, Pages: 135-141(2019)
- 作者机构：
  
  1. 南京航空航天大学能源与动力学院,南京,210016
  2. 苏塞克斯大学工程与设计学院，布莱顿 BN19QT
- 作者简介：
- 基金信息：
- DOI：10.13224/j.cnki.jasp.2019.01.016
  CLC：
- Published：2019
- 稿件说明：
移动端阅览
张秉杰, 臧朝平, PETROV E P. 基于高保真有限元模型失谐叶盘受迫响应的统计特性[J]. 航空动力学报, 2019, 34(1): 135-141.

doi: 10.13224/j.cnki.jasp.2019.01.016
张秉杰, 臧朝平, PETROV E P. 基于高保真有限元模型失谐叶盘受迫响应的统计特性[J]. 航空动力学报, 2019, 34(1): 135-141. DOI： 10.13224/j.cnki.jasp.2019.01.016.

doi: 10.13224/j.cnki.jasp.2019.01.016 DOI：

摘要

采用极值理论分析失谐叶盘最大受迫响应的统计特性并应用于某压气机叶盘上。对失谐叶盘进行减缩建模，运用蒙特卡洛方法模拟响应计算，研究不同激励阶次下最大响应放大因子的分布特性。采用极值理论对最大响应放大因子分布进行统计学建模，以极大似然估计方法求解未知参数，进行分布拟合，并采用K-S(Kolmogorov-Smirnov)检验方法检验各分布函数拟合的好坏程度。对某压气机叶盘进行失谐响应统计特性分析，对比了7种分布函数对最大响应放大因子的拟合效果，结果表明：极值分布、二参数威布尔分布、正态分布、对数正态分布和伽马分布拟合效果较差；常用的三参数威布尔分布不如广义极值分布的拟合效果好。因此，说明广义极值分布更能准确地描述失谐叶盘动力响应的统计特性。

Abstract

The extreme value theory was used to analyze the statistical characteristics of maximum forced response of the mistuned bladed disks

and applied to a compressor disk. The mistuning bladed disk was reduced and modeled. The Monte Carlo method was used to simulate the response calculation

and the distribution characteristics for the amplification factor of the maximum response under different engine order excitations were studied. The extreme value theory was used to model the maximum response distribution

and the maximum likelihood estimation method was introduced to get the unknown parameters. The K-S(Kolmogorov-Smirnov) test was employed to test the goodness of fit of different distribution functions. The statistical characteristics of the response of a compressor disk were analyzed. The fitting results of seven kinds of distribution functions for the amplification factor of the maximum response were compared. Results showed that the fitting effects of the extreme value distribution

two-parameter Weibull distribution

normal distribution

lognormal distribution and Gamma distribution were all poor; the fitting effect of the commonly used three-parameter Weibull distribution was not as good as that of the generalized extreme value distribution. Therefore

the generalized extreme value distribution can more accurately describe the statistical characteristics of the dynamic response of mistuned bladed disks.

关键词

Keywords

references

Views

557

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Uncertainty analysis of machining error influence of compressor blade

Analysis on vibration suppression of mistuned bladed disk via bi-periodic distributed piezoelectric shunt damping

Probabilistic risk assessment method for turbine disk

Application of cyclic symmetry property in transient response solution of mistuned bladed disks

Numerical investigation of thermal radiation in a nacelle

Related Author

邓卫敏

徐浩亮

蔡宇桐

高丽敏

李超

刘久周

李琳

CHEN Jian

Related Institution

西北工业大学动力与能源学院

先进航空发动机协同创新中心

北京航空航天大学能源与动力工程学院

北京航空航天大学航空发动机结构强度北京市重点实验室

Commercial Aircraft Engine Company Limited, Aviation Industry Corporation of China

AI问答

Postal code：100079
Tel：（010）53879206 Email：tmw@bjxintong.com.cn
Technical support is provided by Beijing Founder electronics co., LTD 京ICP备09082226号-64 京公网安备11010602201714号
It is recommended to read the content of this site in Chrome&IE9+. Please switch to extreme mode in browser 360.
Cookies We use cookies to help provide and enhance our service and tailor content. By continuing, you agree to the use of cookies.

⁰