| 不确定参数结构的改进及静力区间分析 |
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| 引用本文： | 余朝蓬,高峰,吴杰. 不确定参数结构的改进及静力区间分析[J]. 农业机械学报, 2006, 37(3): 134-137 |
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| 作者姓名： | 余朝蓬 高峰 吴杰 |
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| 作者单位： | 北京航空航天大学汽车工程系,100083,北京市;南京航空航天大学能源与动力学院,210016,南京市 |
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| 摘 要： | 针对区间参数结构的不确定性问题,提出一种新的静力区间分析方法。通过将函数的一阶导数也看成是区间的,利用一阶泰勒展开和函数的区间扩张,可以得到结构静力响应的更可靠的区间。将该方法应用于连续梁结构的静力分析,表明该方法是有效的。
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| 关 键 词： | 区间参数结构 静力区间分析 区间扩张 结构静力响应 |
| 收稿时间： | 2004-11-09 |
| 修稿时间： | 2004-11-09 |
Improved Interval Static Analysis for Uncertain Structures |
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| Yu Zhaopeng,Gao Feng,Wu Jie. Improved Interval Static Analysis for Uncertain Structures[J]. Transactions of the Chinese Society for Agricultural Machinery, 2006, 37(3): 134-137 |
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| Authors: | Yu Zhaopeng Gao Feng Wu Jie |
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| Affiliation: | 1.Beihang University 2.Nanjing University of Aeronautics and Astronautics |
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| Abstract: | This paper presents an improved interval static method to solve the uncertain problems, where the structural parameters are assumed to be expressed as interval parameters. Using the interval extension of functions, the new method can be obtained. It can be seen that, using the new interval static analysis method, more accurate interval values are obtained about the structural static response. The present method is implemented for a continuous beam. The numerical results are compared with those obtained by the method presented in reference. The example of numerical analysis shows that the present method is more accurate in predicting the influence of the structural uncertainties on the structural static response. |
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| Keywords: | Interval parameter structure Interval static analysis Interval extension Structural static response |
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