[1]苏亚,鹿少博,鹿晓阳*,等.杂交型马鞍网壳结构参数化设计及形状优化[J].山东建筑大学学报,2016,(01):38-46.
 Su Ya,Lu Shaobo,Lu Xiaoyang,et al.Parametric modeling and shape optimization of hybrid saddle reticulated shell[J].Journal of Shandong jianzhu university,2016,(01):38-46.
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杂交型马鞍网壳结构参数化设计及形状优化()
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《山东建筑大学学报》[ISSN:1673-7644/CN:37-1449/TU]

卷:
期数:
2016年01期
页码:
38-46
栏目:
研究论文
出版日期:
2016-02-20

文章信息/Info

Title:
Parametric modeling and shape optimization of hybrid saddle reticulated shell
作者:
苏亚1鹿少博2鹿晓阳*洪宁3陈亚若3李涛1
(1.山东建筑大学 工程力学研究所 济南 250101; 2.坦佩雷理工大学 建筑学院 芬兰坦佩雷FI-337203;3.济南锅炉集团 设计一处 济南 250022)
Author(s):
Su Ya1Lu Shaobo2Lu Xiaoyang1Hong Ni3et al.
(1. Research Institute of Engineering Mechanics, Shandong Jianzhu University, Jinan250101, China;2.School of Architecture, Tampere University of Technology, FI-33720, Finland;3. The First Design Department, Jinan Boiler Group Company Limited, Jinan250022, China)
关键词:
杂交型马鞍网壳参数化设计受力性能分析形状优化设计
Keywords:
hybrid saddle reticulated shell parametric design mechanical performances analysis shape optimization design
分类号:
TU393.3,TU311.41
文献标志码:
A
摘要:
杂交型网壳可以发挥各单一传统网壳的优点,在增大跨度的同时又可获得较高的经济效益。文章根据杂交型马鞍型网壳结构特点,采用APDL参数化设计语言研制了两类六种不同杂交型马鞍网壳参数化设计宏程序,运用ANSYS软件对其进行受力性能分析,并对受力性能最好的凯威特-联方(Kie-Lam)网壳进行了108种工况形状优化设计。结果表明:在同等工况下Kie-Lam最大位移6.9 mm和最不应力25.1 Mpa均最小,受力最为合理;矢高f与网壳最不利应力成反比,f每增加1m最不利应力平均下降幅度最大为0.51MPa,随Ns变化没有统一规律;在S=60m、f=30m一定的情况下,存在一种工况Kn=8、Nx=12和Ns=8满足结构强度、刚度和稳定性前提下,使网壳结构总耗钢量最轻。
Abstract:
Hybrid shell can take the advantages of each single traditional shell, which can not only increase the span but also obtain higher economic benefits at the same time. Macro program of six kinds hybrid saddle reticulated shell parametric design were developed by ANSYS parameter of design language according to saddle reticulated shell features. The mechanical performances were analyzed and the shape optimization under 108 kinds of working condition for Kiewitt-Lamella Saddle Reticulated Shell was studied with objective function of minimum steel consumption and shape optimization design variables Kn(ring to symmetric regional copies number), Nx(radial node ring number), Ns(the upper structure of radial ring). The results showed: The maximal displacement and the most unfavorable stress of Kiewitt-Lamella were 6.9 mm and 25.1 Mpa, which were so smaller that its mechanical performance was the most reasonable under the same condition. The vector height f was inversely proportional to the most unfavorable stress, existing suitable f made their respective overall deflection minimum, and Ns changed the law of the unity on both; When span S=60m and the f=30m were certain, existing one kind of working condition of Kn=8, Nx=12 and Ns=8 under the precondition satisfied the strength, stiffness and stability, making the total steel consumption of reticulated shell lightest.

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更新日期/Last Update: 2016-03-17