基于声学设计与噪声预报的舰船基座结构设计与优化

The design and optimization of ship-base using acoustic design and noise prediction

舰船基座是用来固定动力装置的基础结构,在起到承载设备重量作用的同时,也会将动力装置产生的振动传递到舰船船体,直接影响着舰船的声辐射特性。在舰船基座设计时,需要考虑这种振动传递性对声辐射特性所带来的影响。本文在舰船基座设计中,通过声学设计与噪声预报技术,研究舰船基座参数对声辐射特性的影响,从而选取最佳的设计方案,实现对舰船基座设计的优化。

The function of the ship-base is to fix the fundamental structure of the power plant. However, it would transmit the vibration generated by the power plant to the hull, which would affect the acoustic radiation characteristics of the ship directly, while bearing the weight of the equipment. Thus, the influence on the acoustic radiation characteristics exerted by the transmission of vibration should be considered, when designing the ship-base. In this paper, the influence of the parameters of the ship-base on the acoustic radiation characteristics is analyzed, utilizing the acoustic design and the noise prediction technology, to select the best design scheme, which would optimize the design of the ship-base.