李开伦¹，徐志宏¹，岳永强²
    (1 中国建筑设计研究院，北京100044; 2 杭州市建筑设计研究院有限公司，杭州310001)

[摘要] 本文首先对某体育场顶棚结构做了一些简要的介绍，然后利用有限元分析软件ANSYS对改顶棚结构的前主拱做了参数分析及优化，得出一些有益的结论，希望这些结论能对类似工程提供一些参考。
[关键词] 拱结构；拱轴线；空间桁架

    Optimizing of Roof Structure of Changshu Stadium
    Li Kailun¹,  Xu Zhihong¹, Yue Yongqiang²
    (1 China Architecture Design & Research Croup, Beijing 100044, China; 2 Hangzhou Architecture Design & Research Institute Co. , Ltd. , Hangzhou 310001, China)

Abstract: Brief introduction about the roof structure of Changshu stadium is presented. Parameter analysis about the front main arc of this structure by ANSYS, and some valuable conclusion are given. These conclusions could provide some reference for similar projects.
Keywords: are structure; arc axis, space truss