中国舰船研究2011，Vol.6Issue(6)：49-53,5.DOI:10.3969/j.issn.1673-3185.2011.06.010
高速船全频段舱室噪声仿真预报
Full Spectrum Simulation Prediction of High-Speed Vessel Cabin Noise
邱斌 1吴卫国 2刘恺1
作者信息
- 1. 武汉理工大学交通学院,湖北武汉430063
- 2. 高速船舶工程教育部重点实验室,湖北武汉430063
- 折叠
摘要
Abstract
A transferring method of machinery exciting force and response under different elastic mounting conditions were given to pre-estimate the vibration of the machine. Firstly,the coupling effect was dealt by predigesting one machine with several mounting points to several single mounting machines based on equivalent point mobility theory. Then,the transferring relationship of machine exciting force and response under different elastic mounting conditions were found based on the characterization of machinery exciting property of free velocity. Finally,an experiment was done to test the vibration of elastic mounted dynamotor and the numerical estimation and test data were analyzed and compared. The results show that the total error of vibration level is below 3dB between 20 Hz to 1 000 Hz,which proves the validity of the method.关键词
FE-SEA混合法/噪声预报/高速船Key words
free velocity/ equivalent point mobility/ transferring relationship/ vibration prediction分类
交通工程引用本文复制引用
邱斌,吴卫国,刘恺..高速船全频段舱室噪声仿真预报[J].中国舰船研究,2011,6(6):49-53,5.
