针对高速水面舰艇减阻需求，以优化粒子群算法为核心，FFD自由变形算法为型线变换手段，线性势流理论为阻力计算方法，编写了一套型线优化程序，并以单位排水量下的兴波阻力为目标函数，在几何约束条件下对DTMB-5415声呐导流罩型线进行优化。计算表明优化方案的排水量增加1.5%，湿面积增加0.9%，Fr=0.28、0.37、0.44工况下的兴波阻力分别降低15.3%、9.9%、7.1%。最后以1艘无球艏的DTMB-5415兴波为基准，将球艏波系分离出来，通过波形分析法定性讨论了优化方案的减阻原理。
In order to reducing the resistance of high-speed vessels, the hull form optimization program was developed with improved particle swarm algorithm as the core, free form deformation algorithm as the hull form deformation tool, and linear potential flow theory as the resistance calculation method. The DTMB-5415 sonar dome was optimized based on geometric constraints, and wave-making resistance per unit displacement was used as the objective function. The result shows that the optimal hull form increases the displacement by 1.5%, the wetted area by 0.9%, and wave-making resistance under Fr=0.28, Fr=0.37, and Fr=0.44 conditions decreases by 15.3%, 9.9%, and 7.1% respectively. Finally, using a DTMB-5415 without bulbous bow as reference, the bulbous bow wave system could be separated, and the reason for resistance reduction of the optimal hull form was qualitatively discussed by waveform analysis method.
2025,47(20): 57-62 收稿日期：2024-12-12
DOI：10.3404/j.issn.1672-7649.2025.20.009
分类号：U661.31+1
基金项目：国家自然科学基金资助项目（12202327）
作者简介：纪仁超(1991-),男,硕士,工程师,研究方向为舰船减振降噪
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