相似理论在大型复杂构件有限元分析中的应用  

The Application of Similarity Theory in the Finite Element Analysis of Complex and Large Components

作　　者：李新华[1] 曹伟魏[1] 唐敏[1] 

机构地区：[1]中南林业科技大学机电工程学院,长沙410000

出　　处：《机械设计与研究》2013年第5期18-20,25,共4页Machine Design And Research

基　　金：湖南省科技厅资助项目(2009GKB138)

摘　　要：为克服一般有限元软件在分析大型复杂工程构件中的局限性,在有限元分析流程中引入相似理论,通过两者的结合可以有效地解决大型构件有限元分析中单元数量大、节点多和求解困难等缺点。以龙门起重机为例说明相似理论在有限元分析中的应用,分析表明相似理论在大型机械工程有限元分析中有重要的应用价值。In order to overcome the limitations of general finite element software in analyzing large and complex engineering components similarity theory combining with the finite element analysis is introduced to the analysis process,which can effectively solve the shortcomings of huge number and difficulty of calculation.Taking gantry crane as an example to show the application of similarity theory in finite element analysis,which indicates that the similarity theory has important application value in finite element analysis with large mechanical engineering.

关 键 词：有限元分析 相似理论 相似准则 龙门起重机 

分 类 号：TH12[机械工程—机械设计及理论]