| FEA for designing of floating raft shock-resistant system |
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| 引用本文： | ZHAOYing-long HELin HUANGYing-yun WANGYu. FEA for designing of floating raft shock-resistant system[J]. 船舶与海洋工程学报, 2003, 2(1): 24-29. DOI: 10.1007/BF02935571 |
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| 作者姓名： | ZHAOYing-long HELin HUANGYing-yun WANGYu |
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| 作者单位： | [1]InstituteofNoise＆Vibration,NavalUniversityofEngineering,Wuhan430033,China [2]NavalResearchCenter,Beijing100036,China |
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| 摘 要： | Choosing the equipment with good shock-resistant performance and taking shock protection measures while designing the onboard settings, the safety of onboard settings can be assured when warships, especially submarine subjected to non-contact underwater explosion, that is, these means can be used to limit the rattlespace (i. e. , the maximum displacement of the equipment relative to the base) and the peak acceleration experienced by the equipment. Using shock-resistant equipments is one of shock protection means. The shock-resistant performance of the shock-resistant equipments should be verified in the design phase of the equipments. The FEA (finite element analysis) software, for example, MSC. NASTRANw, can be used to verify the shock-resistant performance. MSC. PATRAN and MSC. NASTRAN are used for modeling and analyzing the floating raft vibration isolating equipment. The model of the floating raft and the floating raft vibration isolating system are theoretically analyzed and calculated, and the analysis results are in agreement with the test results. The transient response analysis of the system model follows the modal analysis of the floating raft vibration isolating system. And it is used to verify the shock-resistant performance. The analysis and calculation method used in this paper can be used to analyze the shock-resistant performance of onboard shock-resistant equipments.
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| 关 键 词： | 船载安全设备 瞬态响应 隔振 抗震物 橡皮船 军舰 抗冲击力 建模 计算方法 |
FEA for designing of floating raft shock-resistant system |
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| Zhao Ying-long,He Lin,Huang Ying-yun,Wang Yu. FEA for designing of floating raft shock-resistant system[J]. Journal of Marine Science and Application, 2003, 2(1): 24-29. DOI: 10.1007/BF02935571 |
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| Authors: | Zhao Ying-long He Lin Huang Ying-yun Wang Yu |
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| Affiliation: | (1) Institute of Noise & Vibration, Naval University of Engineering, 430033 Wuhan, China;(2) Naval Research Center, 100036 Beijing, China |
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| Abstract: | Choosing the equipment with good shock-resistant performance and taking shock protection measures while designing the onboard settings, the safety of onboard settings can be assured when warships, especially submarine subjected to non-contact underwater explosion, that is, these means can be used to limit the rattlespace (i.e., the maximum displacement of the equipment relative to the base) and the peak acceleration experienced by the equipment. Using shock-resistant equipments is one of shock protection means. The shock-resistant performance of the shock-resistant equipments should be verified in the design phase of the equipments. The FEA (finite element analysis) software, for example, MSC.NASTRAN(R), can be used to verify the shock-resistant performance. MSC.PATRAN(R) and MSC.NASTRAN are used for modeling and analyzing the floating raft vibration isolating equipment. The model of the floating raft and the floating raft vibration isolating system are theoretically analyzed and calculated, and the analysis results are in agreement with the test results. The transient response analysis of the system model follows the modal analysis of the floating raft vibration isolating system. And it is used to verify the shock-resistant performance. The analysis and calculation method used in this paper can be used to analyze the shock-resistant performance of onboard shock-resistant equipments. |
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| Keywords: | MSC.NASTRAN FEA transient response raft vibration isolating shock resistant |
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