| 采用两类子结构模态综合理论的试验模态综合技术 |
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| 引用本文： | 谭志勇,应祖光.采用两类子结构模态综合理论的试验模态综合技术[J].强度与环境,1997(2):30-37. |
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| 作者姓名： | 谭志勇 应祖光 |
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| 作者单位： | 北京强度环境研究所(谭志勇，邱吉宝)，浙江大学力学系(应祖光) |
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| 摘 要： | 在采用子结构自由界面固定界面的两类模态综合理论的基础上进行了以解决复结构全尺寸振动试验为目的的试验模态综合研究。
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| 关 键 词： | 子结构 模态综合法 结构动力分析 振动试验 |
The Technique of Experimental Component Mode Synthesis Based on the Theory of Using Two Sorts of Substructural Modes |
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| Tan Zhiyong, Qiu Jibao.The Technique of Experimental Component Mode Synthesis Based on the Theory of Using Two Sorts of Substructural Modes[J].Structure & Environment Engineering,1997(2):30-37. |
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| Authors: | Tan Zhiyong Qiu Jibao |
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| Institution: | Tan Zhiyong; Qiu Jibao(Beijing Institute of Structure & Environment Engineering)Ying Zuguang(Zhe Jiang University) |
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| Abstract: | In this paper, the technique of experimental component mode synthesis (ECMS) was pro-ceeded to solve the problem of mode test for whole-scale complicated structures, based on the ECMS the-ory which using substructure's free modes and fixed-interface modes. By the procedure of substructure'sexperiment, the technique of mode test and the method of handling testdata were studied, it inc1uded themanner to calculate the fittest distance between measure points and the regression method to extract need-ed data from more points, it also included the echanced manner to obtain angles of mode shape, and so on.All these had made obvious stable progress comparing with the formly results by free-interface ECMSmethod. |
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| Keywords: | Substructure Model integrated law Dynamic struetural analysis Vibration test Date processing |
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