Forced response characteristic of bladed disk with aerodynamic mistuning

XIN Jian-qiang; WANG Jian-jun

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Forced response characteristic of bladed disk with aerodynamic mistuning

更新时间：2026-07-07

- Forced response characteristic of bladed disk with aerodynamic mistuning
- Vol. 27, Issue 4, (2012)
- 作者机构：
  
  北京航空航天大学能源与动力工程学院,北京,100191
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2012
- 稿件说明：
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XIN Jian-qiang, WANG Jian-jun. Forced response characteristic of bladed disk with aerodynamic mistuning[J]. 2012, 27(4).
DOI：

XIN Jian-qiang, WANG Jian-jun. Forced response characteristic of bladed disk with aerodynamic mistuning[J]. 2012, 27(4). DOI：

摘要

对非均匀静子叶片分布影响下的失谐流体激励叶盘结构响应特性进行研究.首先推导叶盘结构强迫共振条件与流体失谐设计理论;其次对工程叶盘结构响应分析的模态减缩方法和精细积分法进行理论描述;最后给出数值算例

对谐调和失谐流体激励特性和实际工程叶盘的响应特性进行研究

分析流体失谐设计方法对叶盘强迫响应的影响.在响应特性计算中

通过有限元方法得到叶盘的系统质量、阻尼和刚度矩阵后

利用MATLAB软件编制程序进行响应特性分析.

Abstract

The forced response characteristic of bladed disk under fluid excitation with aerodynamic mistuning was analyzed.The resonant criterion of bladed disk and the aerodynamic mistuning theory were performed first.Then

the modal reduction theory and the precise integration method were given.Finally

the transient response characteristics of bladed disk under tuned and mistuned fluid excitations were investigated.In this section

the system mass

stiffness and damping matrix were obtained by FEM(finite element method)

and MATLAB code was then used to study the response characteristic.

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Related Institution

北京航空航天大学能源与动力工程学院,北京 100191 先进发动机协同创新中心,北京 100191 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

北京航空航天大学能源与动力工程学院

先进发动机协同创新中心

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

School of Energy and Power Engineering,Beijing University of Aeronautics and Astronautics

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