| 几何位移迭代法在体内张拉成形网格结构形态分析中的简易算法(Ⅰ) |
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| 引用本文： | 王成,张毅刚.几何位移迭代法在体内张拉成形网格结构形态分析中的简易算法(Ⅰ)[J].四川建筑科学研究,2009,35(5). |
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| 作者姓名： | 王成 张毅刚 |
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| 作者单位： | 王成(中国建筑科学研究院国家建筑工程质量监督检验中心,北京,100013;北京工业大学空间结构研究中心,北京,100124);张毅刚(北京工业大学空间结构研究中心,北京,100124) |
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| 摘 要： | 针对体内张拉成形网格结构实际发展需要,明确了结构的三种受力状态——零状态、初始态和荷载态,在几何位移迭代法形态分析方法的基础上,从工程应用的角度提出了一种实用的形态简易算法,并就一个80m跨的体内张拉成形网格结构实例,用APDL参数化设计语言编程,对该简易算法的特点做了细致的分析,结果表明,几何位移迭代法简易算法找形速度快、迭代计算简单,一般情况下,完全可以满足实际施工要求,而且可以保持结构的完整性,便于荷载态的分析.
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| 关 键 词： | 预应力 迭代 几何 形态分析 |
Simple arithmetic of the geometrical displacement-iteration method in the form-finding analysis of ISFL(I) |
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| WANG Cheng,ZHANG Yigang.Simple arithmetic of the geometrical displacement-iteration method in the form-finding analysis of ISFL(I)[J].Building Science Research of Sichuan,2009,35(5). |
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| Authors: | WANG Cheng ZHANG Yigang |
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| Affiliation: | WANG Cheng1,2,ZHANG Yigang2(1.National Center for Quality Supervision , Test of Building Engineering,China Academy of Building Research,Beijing 100013,China,2.Space Structures Research Center,Beijing University of Technology,Beijing 100124,China) |
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| Abstract: | In order to put the internal Stretch Forming Latticed Structure(ISFL) into practice,the paper firstly redefined three structure states-zero state,initial state and load state of ISFL.In the point of the engineering-oriented application,the simple applied form-finding arithmetic is then proposed,which is based on the geometrical displacement iterative method.A detailed study on the form-finding process is carried out by parametric design language APDL programming analysis,which based on an ISFSL with a long ... |
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| Keywords: | prestressing force iterative geometry form-finding analysis |
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