轻量化和低噪声是当今船舶的发展趋势，实现船舶的轻量化低噪声设计对提高乘客的舒适性和机器设备的寿命具有重要意义。将多孔吸声材料与金字塔型夹层板进行结合，利用声学有限元的方法对其隔声性能进行仿真研究，分析了吸声材料厚度和密度、面板厚度，金字塔夹芯杆的宽度、夹层高度和晶格常数对金字塔型夹层板隔声性能的影响规律，并以轻量化高隔声量为优化目标，使用多目标优化算法对各参数进行寻优，确定优化结构，最终实现含多孔吸声材料金字塔型夹层板的轻量化高隔声量的声学优化。
Lightweight and low noise is the development trend of today's ships, and realizing the lightweight and low noise design of ships is of great significance to improve the comfort of passengers and the life of machines and equipment. The combination of porous acoustic material and pyramid-type sandwich panel is simulated by using acoustic finite element method, and the influence of acoustic material thickness and density, panel thickness, width of pyramid core bar, sandwich height and lattice constant on the sound insulation performance of pyramid-type sandwich panel is analyzed, and the optimization goal of lightweight and high sound insulation is taken, and the optimized structure is determined, and finally the lightweight and low-noise design of the ship with porous acoustic material is realized. The optimal structure is determined by a multi-objective optimization algorithm, and the acoustic optimization of pyramidal sandwich panels containing porous acoustic materials with high sound insulation and lightweight is finally realized.
2025,47(18): 39-44 收稿日期：2024-11-19
DOI：10.3404/j.issn.1672-7649.2025.18.007
分类号：U663.6
基金项目：山东省自然科学基金资助项目（ZR2021QE287）
作者简介：丁建虎（1998 – ），男，硕士研究生，研究方向为噪声与振动控制
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