运载火箭贮箱筒段环缝焊接数值模拟研究  

Study on Numerical Simulation of Carrier Rocket Cylinder Section Girth Welding

作　　者：李波 肖旋 王建国[2] 傅莉[2] 马康 张下陆 LI Bo;XIAO Xuan;WANG Jian-guo(Tianjin Long March Launch Vehicle Manufacturing Co.,Ltd,Tianjin 300462;Northwestern Polytechnical University,Xi'an 710072)

机构地区：[1]天津航天长征火箭制造有限公司,天津300462 [2]西北工业大学,西安710072

出　　处：《航空精密制造技术》2023年第3期20-22,共3页Aviation Precision Manufacturing Technology

摘　　要：利用ABAQUS分析软件,引入焊接热源,基于TIG焊接工艺及内撑工装撑出方式,对2219铝合金5m直径贮箱筒段环缝焊接过程进行数值模拟,研究筒段在焊接过程中应力场和变形场的演变规律。Based on the TIG welding technique and the push-out mode,the ABAQUS software was was used to numerically simulate the welding process of the 5m-diameter 2219 aluminum alloy carrier rocket section.The evolution law of the stress field and deformation field during the welding process was studied.

关 键 词：数值模拟 筒段 应力场 变形场 

分 类 号：V414.32[航空宇航科学与技术—航空宇航推进理论与工程]