| 大型结构大修改下的静力重分析方法 |
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| 引用本文： | 黄冀卓,王湛.大型结构大修改下的静力重分析方法[J].力学学报,2011,43(2):355-361. |
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| 作者姓名： | 黄冀卓 王湛 |
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| 作者单位： | 1. 福州大学土木工程学院;2. 华南理工大学土木工程系; |
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| 基金项目： | 国家自然科学基金(50808116); 华南理工大学亚热带建筑科学国家重点实验室开放基金(2008KB25)资助项目~~ |
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| 摘 要： | 对于大型结构发生参数大修改时, 采用组合近似算法进行结构位移重分析会使所得
的近似解与真实解误差较大. 为了解决组合近似算法在大型结构发生参数大修改时
的求解精度不足缺陷, 提出了3种改进的结构静力重分析方法. 该3种改进算
法都是基于组合近似算法, 并分别通过位移迭代修正、刚度逐步逼近等措施使求解
精度不断提高. 通过2个算例验证了3种改进算法的
有效性和高效性, 并对3种改进算法之间的求解效率进行了比较.
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| 关 键 词： | 静力重分析 近似重分析 组合近似法 大型结构 大修改 |
| 收稿时间： | 2009-12-07 |
| 修稿时间： | 2010-03-06 |
STATIC REANALYSIS METHODS FOR LARGE-SCALE STRUCTRUES WITH LARGE MODIFICATIONS |
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| Huang Jizhuo
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Wang Zhan.STATIC REANALYSIS METHODS FOR LARGE-SCALE STRUCTRUES WITH LARGE MODIFICATIONS[J].chinese journal of theoretical and applied mechanics,2011,43(2):355-361. |
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| Authors: | Huang Jizhuo Wang Zhan |
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| Institution: | Huang Jizhuo~(*,**,2)) Wang Zhan~( ,**) *(College of Civil Engineering,Fuzhou University,Fuzhou 350108,China) (Department of Civil Engineering,South China University of Technology,Guangzhou 510641,China) **(State Key Laboratory of Subtropical Building Science,Guangzhou 510640,China) |
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| Abstract: | This study presents three static reanalysis methods for large-scale structures with large modifications of structural parameters based on the Combined Approximation(CA) method.For large-scale structures with large changes in the design,the Combined Approximation method can not provide enough accurate results. To improve the accuracy of the results in reanalysis of the modified structure,three CA-based static reanalysis methods are presented by introducing several strategies,such as displacement iterative co... |
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| Keywords: | static reanalysis approximate reanalysis combined approximation method large-scale structure large modification |
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