水动力导数求解是进行水下滑翔机操纵性能分析的基础，为了快速预报水下滑翔机的操纵性能，开展基于CFD方法的水下滑翔机水动力导数计算研究。选用约束模型试验作为水动力导数求解方法，并给出其CFD数值模拟方法；以 SUBOFF潜艇模型为例，进行约束模型试验的CFD数值仿真和水动力导数计算。计算结果表明，CFD数值模拟方法可用于水下潜器的水动力导数计算。采用CFD方法对水下滑翔机的斜航试验、纯横荡和纯首摇运动进行数值模拟，并利用最小二乘法拟合仿真数据得到水下滑翔机的水动力导数，为操纵性能分析提供支撑。
The solution of hydrodynamic derivative is the basis of analyzing the maneuverability of underwater glider. In order to quickly predict the maneuverability of underwater glider, the calculation of hydrodynamic derivative of underwater glider is carried out based on CFD method. The captive model test is selected as the solution method of hydrodynamic derivatives, and its CFD numerical simulation method is given. Taking the SUBOFF submarine model as an example, the CFD numerical simulation and hydrodynamic derivative calculation of the captive model test are carried out. The calculation results show that the CFD numerical simulation method is an effective method to calculate the hydrodynamic derivative of the underwater vehicle. CFD method is used to simulate the yaw test, pure sway and pure yaw motion of the underwater glider, and the least square method is used to fit the simulation data to obtain the hydrodynamic derivatives of the underwater glider, which provides support for the analysis of handling performance.
2023,45(24): 38-46 收稿日期：2022-11-22
DOI：10.3404/j.issn.1672-7649.2023.24.007
分类号：U674.941
基金项目：国家自然科学基金资助项目（51909110）；国防科技重点实验室基金资助项目（6142217210204）
作者简介：张代雨(1988-),男,博士,副教授,研究方向为水下航行器多学科设计优化
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