The coupled fluid-structural acoustic analysis theory, method and processing flow for acoustic cavity modeling was introduced.The noise analysis in ship cabin is carried out.

• 摘要文章介绍了封闭声腔结构区域内流固耦合声学有限元数值分析理论、方法和计算流程，并用该方法进行封闭区域内声学特性分析，应用于船舶舱室噪声数值预报。