[1]喻莹,王继中,朱兴一.基于有限质点法的双层柱面网壳强风作用下倒塌破坏研究[J].东南大学学报(自然科学版),2015,45(4):756-762.[doi:10.3969/j.issn.1001-0505.2015.04.025]
 Yu Ying,Wang Jizhong,Zhu Xingyi.Collapse analysis of double-layer cylindrical reticulated shell under strong wind based on finite particle method[J].Journal of Southeast University (Natural Science Edition),2015,45(4):756-762.[doi:10.3969/j.issn.1001-0505.2015.04.025]
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基于有限质点法的双层柱面网壳强风作用下倒塌破坏研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
45
期数:
2015年第4期
页码:
756-762
栏目:
土木工程
出版日期:
2015-07-20

文章信息/Info

Title:
Collapse analysis of double-layer cylindrical reticulated shell under strong wind based on finite particle method
作者:
喻莹1王继中1朱兴一2
1汕头大学土木系, 汕头 515063; 2同济大学道路与交通工程教育部重点实验室, 上海 200092
Author(s):
Yu Ying1 Wang Jizhong1 Zhu Xingyi2
1Department of Civil Engineering, Shantou University, Shantou 515063, China
2Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji University, Shanghai 200092, China
关键词:
有限质点法 双层柱面网壳 强风 倒塌模拟
Keywords:
finite particle method double-layer cylindrical reticulated dome strong wind collapse simulation
分类号:
TU393;TU312
DOI:
10.3969/j.issn.1001-0505.2015.04.025
摘要:
采用有限质点法研究空间柱面网壳在强风作用下的倒塌破坏性能.推导了有限质点法基本方程和三维空间单元的内力计算公式,给出了利用该方法分析结构几何非线性、材料非线性的具体过程,建立了断裂模型和断裂准则.在破坏过程模拟中,考虑风速风压模拟的空间三维相关性,运用线性滤波器法中的自回归(AR)模型编写程序模拟脉动风速与风压,实现了强风作用下双层柱面网壳的倒塌全过程分析.基于结构倒塌模拟结果, 建立衡量结构倒塌破坏的控制指标,对双层柱面网壳的结构参数进行优化,提高了双层柱面网壳的抗倒塌性能.
Abstract:
The finite particle method(FPM)is applied to the collapse process analysis of double-layer reticulated domes subjected to strong wind. The theoretical fundamentals of the FPM and the derivation of the internal force for three-dimensional beam element are given. Methods to handle geometric and material nonlinearity are provided. The fracture criterion, fracture model and corresponding algorithm are developed to simulate fracture of structural members. The autoregressive(AR)model of the linear filter method is used to program and simulate the turbulent wind and velocity pressure. The collapse process of a double-layer cylindrical reticulated shell subjected to strong wind is simulated and analyzed. Based on the simulated results, the control indices of structure collapse are established. Significant structural parameters are optimized to improve the collapse performance.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2015-01-05.
作者简介: 喻莹(1983—),女,博士,副教授,yuying@stu.edu.cn;朱兴一(联系人),女,博士,副研究员,zhuxingyi66@aliyun.com.
基金项目: 国家自然科学基金资助项目(51108257,11102104)、 广东省自然科学基金资助项目(2014A030313478)、教育部博士点基金资助项目(20114402120001)、广东省高等学校优秀青年教师培养计划资助项目(Yq2013071).
引用本文: 喻莹,王继中,朱兴一.基于有限质点法的双层柱面网壳强风作用下倒塌破坏研究[J].东南大学学报:自然科学版,2015,45(4):756-762. [doi:10.3969/j.issn.1001-0505.2015.04.025]
更新日期/Last Update: 2015-07-20