| 金属夹层结构的舰船应用研究综述 |
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| 引用本文： | 刘建良, 梅志远, 张焱冰, 唐宇航, 成天健. 浮力材料和橡胶格栅夹层板振动响应试验对比研究[J]. 中国舰船研究, 2019, 14(4): 1-6, 13. DOI: 10.19693/j.issn.1673-3185.01289 |
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| 作者姓名： | 刘建良 梅志远 张焱冰 唐宇航 成天健 |
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| 作者单位： | 1.海军工程大学 舰船与海洋学院, 湖北 武汉 430033;2.海军研究院, 北京 100161;3.武汉海威船舶与海洋工程科技有限公司, 湖北 武汉 430033 |
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| 基金项目： | 国家自然科学基金资助项目（51609252） |
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| 摘 要： | 目的 为探究芯材对格栅夹层板振动的影响规律， 方法 以格栅夹层板为研究对象，通过试验对比浮力材料格栅夹层板和橡胶格栅夹层板在不同状态下的振动响应差异，重点分析芯材对两型板抑振效果的影响。 结果 结果表明，空气中浮力材料格栅夹层板在中低频段（0~1 000 Hz）内的振动响应较低，橡胶格栅夹层板在高频段（1 000~3 000 Hz）内的振动响应较低；水中由于附加质量及附加阻尼效应的影响，夹层板体质量和芯材阻尼因素对板振动响应的影响程度被弱化，夹层结构的整体及板格局部弯曲刚度成为主导性影响因素，浮力材料格栅夹层板在全频段（0~3 000 Hz）内的振动响应均低于橡胶格栅夹层板的。 结论 为降低振动响应，格栅夹层板芯材的刚度应接近格栅的刚度；此外，芯材密度越小，阻尼越低，格栅夹层板在空气中和水中的振动响应差异就越大。
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| 关 键 词： | 格栅夹层 振动响应 附加质量 附加阻尼 |
| 收稿时间： | 2018-05-13 |
Application and prospect of steel sandwich panels in warship |
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| Liu Jianliang, Mei Zhiyuan, Zhang Yanbing, Tang Yuhang, Cheng Tianjian. Comparative study on vibration response test of buoyancy-core and rubber-core grid sandwich panels[J]. Chinese Journal of Ship Research, 2019, 14(4): 1-6, 13. DOI: 10.19693/j.issn.1673-3185.01289 |
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| Authors: | Liu Jianliang Mei Zhiyuan Zhang Yanbing Tang Yuhang Cheng Tianjian |
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| Affiliation: | 1.College of Naval Architecture and Ocean Engineering, Naval University of Engineering, Wuhan 430033, China;2.Naval Research Academy, Beijing 100161, China;3.Wuhan Hiway Naval Architecture and Ocean Engineering Technology Co., Ltd., Wuhan 430033, China |
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| Abstract: | Objectives To explore the influence of core materials on the vibration of composite grid sandwich panels, Methods taking the panels as the research object, the vibration response of rubber-core grid sandwich panels and buoyancy-core grid sandwich panels under different conditions is compared by means of experiment, with emphasis given to the analysis of vibration suppression effect of core material on the two composite panels. Results The results show that the mid-frequency and low-frequency(0-1 000 Hz) vibration response of the buoyancy-core grid sandwich panels in air is low, while the high-frequency(1 000-3 000 Hz) vibration response of the rubber-core grid sandwich panels is low. The influence of the factors such as the mass of the sandwich panel and the damping of the core on the vibration response of the panel is weakened due to the added mass effect and the added damping effect and the integral of the sandwich structure and the local bending stiffness of the panel are the main factors. The vibration response of the buoyancy-core grid sandwich panel within full-frequency band (0-3 000 Hz) is lower than that of the rubber-core grid sandwich panel. Conclusions To reduce the vibration response of the panel, the core stiffness of the grid sandwich panel shall be close to the grid stiffness. In addition, the smaller the density and damping of the core, the greater the difference between the vibration response in air and water. |
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| Keywords: | grid sandwich vibration response added mass added damping |
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