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多重约束下空间桁架结构抗风优化

黄友钦 林俊宏 傅继阳 吴玖荣

黄友钦, 林俊宏, 傅继阳, 吴玖荣. 多重约束下空间桁架结构抗风优化[J]. 应用数学和力学, 2013, 34(8): 824-835. doi: 10.3879/j.issn.1000-0887.2013.08.006
引用本文: 黄友钦, 林俊宏, 傅继阳, 吴玖荣. 多重约束下空间桁架结构抗风优化[J]. 应用数学和力学, 2013, 34(8): 824-835. doi: 10.3879/j.issn.1000-0887.2013.08.006
HUANG You-qin, LIN Jun-hong, FU Ji-yang, WU Jiu-rong. Wind Resistant Optimization of Spatial Truss Structures Under Multi-Constraints[J]. Applied Mathematics and Mechanics, 2013, 34(8): 824-835. doi: 10.3879/j.issn.1000-0887.2013.08.006
Citation: HUANG You-qin, LIN Jun-hong, FU Ji-yang, WU Jiu-rong. Wind Resistant Optimization of Spatial Truss Structures Under Multi-Constraints[J]. Applied Mathematics and Mechanics, 2013, 34(8): 824-835. doi: 10.3879/j.issn.1000-0887.2013.08.006

多重约束下空间桁架结构抗风优化

doi: 10.3879/j.issn.1000-0887.2013.08.006
基金项目: 国家自然科学基金资助项目(51222801;51208126);广东省教育厅育苗工程项目(2012LYM-0107)
详细信息
    作者简介:

    黄友钦(1982—),男,福建宁德人,助理研究员,博士(Tel:+86-20-39366451;E-mail:yqhuang.dennis@gmail.com);傅继阳(1976—),男,湖北黄梅人,研究员,博士(通讯作者. E-mail: jyfu@gzhu.edu.cn).

  • 中图分类号: TU318+.1;O302

Wind Resistant Optimization of Spatial Truss Structures Under Multi-Constraints

  • 摘要: 目前复杂结构的抗风优化研究大多集中于高层建筑,很少针对风敏感的大跨屋盖结构.考虑强度、刚度和几何尺寸等多重约束,基于虚功原理和Lagrange乘子将抗风优化转化为无约束问题,编制数值程序整合有限元计算和优化分析两部分,然后对杆件数为10080的实际双层柱面网壳进行优化设计,讨论了设计变量可行域、初始值和调整步选择等对优化结果的影响.研究表明,采用本文方法可实现对空间桁架结构进行多重约束下的高效抗风优化设计,网壳总重降低约37%,风致响应分布不均使得有必要设定可行域下限,而设计变量初值和调整步选择不影响最后的优化结果.
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出版历程
  • 收稿日期:  2013-06-03
  • 修回日期:  2013-06-13
  • 刊出日期:  2013-08-15

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