| 预应力作用下雷达框架结构的动力特性 |
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| 引用本文： | 张康. 预应力作用下雷达框架结构的动力特性[J]. 电子机械工程, 2008, 24(5): 11-12,17 |
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| 作者姓名： | 张康 |
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| 作者单位： | 中船重工第七○四研究所,上海,200031 |
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| 摘 要： | 针对雷达框架结构经常在预应力作用下的特点,从模态分析的角度对预应力的作用机理进行理论推导,并结合工程实践进行分析,得出预应力是通过改变框架结构的刚度矩阵影响结构的固有特性的结论.
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| 关 键 词： | 框架结构 模态分析 固有频率 预应力 |
Dynamical Characteristic about Radar Frame Structure Under Pre-stress |
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| ZHANG Kang. Dynamical Characteristic about Radar Frame Structure Under Pre-stress[J]. Electro-Mechanical Engineering, 2008, 24(5): 11-12,17 |
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| Authors: | ZHANG Kang |
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| Affiliation: | ZHANG Kang(The 704th Research Institute of CSIC,Shanghai 200031,China) |
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| Abstract: | Fousing on the features of radar frame structure affected by pre-stress,the deformation mechanism is deduced from modal analysis.The conclusion that pre-stress influences frame structural natural characteristics through remodeling its stiffness matrix is drawn with engineering experience. |
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| Keywords: | frame structure modal analysis natural frequency pre-stress |
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