燃气涡轮发动机模态分析方法研究  

The Way of Model Analysis for Gas Turbine Motor

作　　者：吴忠怀[1] 

机构地区：[1]岳阳职业技术学院机电工程系,湖南岳阳414000

出　　处：《湖南理工学院学报（自然科学版）》2010年第4期69-71,88,共4页Journal of Hunan Institute of Science and Technology(Natural Sciences)

基　　金：湖南省自然科学基金资助项目(09C1302)

摘　　要：针对燃气涡轮发动机的结构特点,在分析涡轮发动机的工作特性的基础上,说明了各种模态分析方法在优化工程结构中的应用,并从数值模态分析和试验模态分析角度介绍了模态分析的原理及分析过程.提出了拉普拉斯数值逆的数值模态处理思想.为燃气涡轮发动机的结构优化提供理论依据,并给出了一个算例.Based on the structural features and performance characteristic of gas turbine motor,the application of model methods to optimize engineering structure was summarized and the theory and analysis process of model analysis was introduced in the view of numerical model analysis and experimental model analysis.Then,the thought of numerical inversion of Laplace is presented,and the theoretical basis is provided for structure optimizing to gas turbine motor.

关 键 词：燃气涡轮发动机 模态分析 拉普拉斯数值逆 

分 类 号：TK47[动力工程及工程热物理—动力机械及工程]