全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
工程力学  2014 

索结构静力分析的新型拉索单元研究

DOI: 10.6052/j.issn.1000-4750.2012.09.0707, PP. 46-52

Keywords: 索结构,非线性,拉索单元,悬链线,张拉

Full-Text   Cite this paper   Add to My Lib

Abstract:

总结和分析不同工况下索结构中拉索的受力特点,将拉索行为归纳为已知原长和已知索力两种典型受力情况。利用悬链线拉索解析解的线性展开,并引入适当的约束条件,建立两种新型的拉索单元,给出单元切线刚度矩阵的显式表达。提出索结构非线性静力分析的一般迭代算法,算法中利用等效线自重考虑弹性变形对拉索静力状态的影响。以斜拉悬臂结构的多阶段安装为例,分别采用该文方法和传统方法针对不同工况进行了索结构分析,对比计算结果证明了该文新型单元和算法的效率和精度。

References

[1]  Karoumi R. Some modeling aspects in the nonlinear finite element analysis of cable supported bridges [J]. Computers & Structures, 1999, 71(4): 397―412.
[2]  娄荣, 罗尧治, 郑君华, 等. 索网张力结构的张拉控制及多目标优化计算[J]. 浙江大学学报(工学版), 2011, 45(3): 539―543.
[3]  Lou Rong, Luo Yaozhi, Zheng Junhua, et al. Tension control and multi-objective optimization of tensile cable net structure construction [J]. Journal of Zhejiang University (Engineering Science), 2011, 45(3): 539―543. (in Chinese)
[4]  魏建东, 许惟国. 滑轮在索上滑行分析的索-轮单元法[J]. 力学学报, 2005, 37(3): 322―328.
[5]  Wei Jiandong, Xu Weiguo. Cable-pulley element to analyze pulley sliding on cable [J]. Acta Mechanica Sinica, 2005, 37(3): 322―328. (in Chinese)
[6]  Gong S F, Chen K, Chen Y, et al. Configuration analysis of deepwater S-lay pipeline [J]. China Ocean Engineering, 2011, 25(3): 519―530.
[7]  Morterollea S, Maurina B, Quiranta J, et al. Numerical form-finding of geotensoid tension truss for mesh reflector [J]. Acta Astronautica, 2012, 76: 154―163.
[8]  Greco L, Cuomo M. On the force density method for slack cable nets [J]. International Journal of Solids and Structures, 2012, 49(13): 1526―1540.
[9]  Rhode-Barbarigos L, Schulin C, Ali N B H. Mechanism-based approach for the deployment of a tensegrity-ring module [J]. Journal of Structural Engineering, ASCE, 2012, 138(4): 539―548.
[10]  Thai H T, Kim S E. Nonlinear static and dynamic analysis of cable structures [J]. Finite Elements in Analysis and Design, 2011, 47(3): 237―246.
[11]  Irvine H M. Cable Structures [M]. Cambridge: MIT Press, 1981: 43―46, 150―155.
[12]  Yang Y B, Tsay J Y. Two-node catenary cable element with rigid-end effect and cable shape analysis [J]. International Journal of Structural Stability and Dynamics, 2011, 11(3): 563―580.
[13]  陈太聪, 马海涛, 苏成. 拉索静力状态的高精度无迭代求解方法研究[J]. 工程力学, 2013, 30(3): 244―250.
[14]  Chen Taicong, Ma Haitao, Su Cheng. Study on high-accuracy and non-iteration methods for determining static status of a cable [J]. Engineering Mechanics, 2013, 30(3): 244―250. (in Chinese)
[15]  Knudson W C. Static and dynamic analysis of cable net structures [D]. Berkeley: University of California, 1971.
[16]  Ernst H J. Der E-Modul von seilen unter berücksichtigung des durchhanges [J]. Der Bauingenieur, 1965, 40(2): 52―55.
[17]  Tang J M, Shen Z Y, Qian R J. A nonlinear finite element method with five-node curved element for analysis of cable structures [C]// Proceedings of IASS International Symposium, 1995, 2: 929―935.
[18]  胡松, 何艳丽, 王肇民. 大挠度索结构的非线性有限元分析[J]. 工程力学, 2000, 17(2): 36―43.
[19]  Hu Song, He Yanli, Wang Zhaomin. Nonlinear analysis of flexible cable structures using the finite element method [J]. Engineering Mechanics, 2000, 17(2): 36―43. (in Chinese)
[20]  O’Brien W T, Francis A J. Cable movements under two-dimensional loads [J]. Journal of Structural Engineering, ASCE, 1964, 90(ST3): 89―123.
[21]  Peyrot A H, Goulois A M. Analysis of cable structures [J]. Computers & Structures, 1979, 10: 805―813.
[22]  Jayaraman H B, Knudson W C. A curved element for the analysis of cable structures [J]. Computers & Structures, 1981, 14(3): 325―333.
[23]  Andreu A, Gil L, Roca P. A new deformable catenary element for the analysis of cable net structures [J]. Computers & Structures, 2006, 84(29/30): 1882―1890.
[24]  梁鹏, 徐岳, 刘永键. 斜拉索分析统一理论及其应用[J]. 建筑科学与工程学报, 2006, 23(1): 68―77.
[25]  Liang Peng, Xu Yue, Liu Yongjian. Unified analysis theory of cable stay and its applications [J]. Journal of Architecture and Civil Engineering, 2006, 23(1): 68―77. (in Chinese)
[26]  袁驷, 程大业, 叶康生. 索结构找形分析的精确单元方法[J]. 建筑结构学报, 2005, 26(2): 46―51.
[27]  Yuan Si, Cheng Daye, Ye Kangsheng. Exact element method for form-finding analysis of cable structures [J]. Journal of Building Structures, 2005, 26(2): 46―51. (in Chinese)
[28]  Crisfield M A. Nonlinear Finite Element Analysis of Solids and Structures, vol. 2 [M]. Chichester: John Wiley & Sons, 1997: 242―243.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133