| 基于Strand7平台的索膜结构找形分析及API程序实现 |
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| 引用本文： | 赵冬,赵冉.基于Strand7平台的索膜结构找形分析及API程序实现[J].中国勘察设计,2010(11):41-44. |
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| 作者姓名： | 赵冬 赵冉 |
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| 作者单位： | [1]广东工程职业技术学院 [2]华南理工大学 |
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| 摘 要： | 索膜结构为柔性的张拉结构体系，必须通过施加预应力和调整结构曲面曲率使之处于稳定的初始平衡状态，本文采用非线性有限元找形方法，以大型通用有限元软件Strand7为平台，用其二次开发程序Strand 7API编制了相应的程序，对两个典型的索膜结构实例和一个大型索膜结构工程进行了找形验证。分析结果发现该找形方法适合各类索膜结构的找形分析，可以快速有效地得到索膜结构的初始平衡形态。
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| 关 键 词： | 索膜结构 找形分析 Strand7 API程序 |
FORM-FINDING ANALYSIS OF CABLE-MEMBRANE STRUCTURES BASED ON STRAND7 AND STRAND7API PLATFORM |
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| Abstract: | Cable-membrane structure is flexible tensional structure system, prestresses should be imposed and structure surface curvature shoule be adjusted so that the structure would be in a stable initial equilibrium state. Based on nonlinear displacement analysis theory, a FEM software Strand7 and its application program interface, is used to procedure for analyze typical two cable-membrane structure and a large cable-membrane stadium. From the results, it is found that the form-finding method is suitable for kinds of cable-membrane structure, could get stable shapes rapidly. |
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| Keywords: | cable-membrane structure form-finding analysis Strand7 Strand7API |
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