Modeling and Analysis of Transitional Tube with Constant Sectional Area along Derivative Central Route

作     者：MENG Xiang-bao TONG Bao-guo PAN Zi-jian LI Hai-xing 

作者机构：College of Mechanical Science and Engineering Jilin University Changchun 130025 China Changchun Institute of Optics Fine Mechanics and Physics Changchun 130033 China 

出 版 物：《Computer Aided Drafting,Design and Manufacturing》 (计算机辅助绘图设计与制造（英文版）)

年 卷 期：2011年第21卷第2期

页      码：19-24页

摘      要：Firstly, sample square-circular transition tube along straight central route was modeled on CATIA software. The parameters are as follows： let the tube length is L, and the constant cross section area is S, and S = πR^2 = a2, in which R stands for the circle radius on one end, and a the square side length on the other end; set up the coordinate system with OX axis on the central route in which the origin O is on centroid of the square end and assume the cross section size at x as the square shaped with all four comers filleted in radius r which is proportional to x, that is, the linear slope of r is R/L, thus, both values r and square side length ax can be attained on the constant cross section area assumption. Secondly, some sample polygonal-circular transition tubes along straight, circular and helical central route were implemented similarly. Thirdly, numerical analysis of stress and displacement of these tubes were carried out on MSC/PATRAN software which are important to the distribution of turbulent flow and the layout of these transitional tube structures.

主 题 词：parametric modeling transitional tube constant cross section area finite element analysis CATIA application 

学科分类：08[工学] 080203[080203] 0802[工学-机械学] 

D　O　I：10.19583/j.1003-4951.2011.02.004

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