索膜结构论文特种结构论文.pdf

第 27 卷
第 2 期
河
北
工
程
大
学
学
报
( 自
然
科
学
版)
Vol
27
No
2
2010 年 6 月
Journal
of
Hebei
University
of
Eng ineering ( Natural Science Edition)
Jun
2010
文章编号: 1673- 9469( 2010) 02- 0016- 03
耦合作用下索膜结构的风振响应分析
谭燕秋, 张鹏
( 河北工程大学土木工程学院, 河北邯郸 056038)
摘要: 在任意拉格朗日- 欧拉描述下, 结合索膜结构的风振响应特点, 采用流固耦合问题数值计
算方法, 实现了三维情况下索膜结构风场的数值模拟。结果表明: 耦合作用对风压的分布形式
影响不明显。在迎风面出现负压区, 边缘附近风压较小; 高负压区出现在迎风面的中部; 中部为
高正压区。耦合作用对索膜结构起抑制作用, 结构的位移与应力会有所减小。
关键词: 索膜结构; 流固耦合; 风振响应
中图分类号: TU38
文献标识码: A
Wind induced response analysis of membrane- cable structures
in fluid- structure interaction
TAN Yan
qiu, ZHANG Peng
( College of Civil Engineering , Hebei University of Engineering , Hebei Handan 056038, China)
Abstract: According to the Arbitrary Lagrangian- Eulerian( ALE) description, a numerical simulation ap
proach for wind induced response analysis of membrane- cable structures in three dimensions has been ac
complished with recent putation techniques. The results show that the influence of cou
pling effect to the distribution form of wind pressure isnot significant. The negative pressure occurs in the
windward area, and the air pressure near the edge is smaller than other parts; the high- negative pressure
occurs in the middle of the windward side and the high positive pressure in the center. The membrane-
cable structure is restrained by the co