基于CFD的水下滑翔机水动力导数计算  

Calculation of hydrodynamic derivatives of underwater glider based on CFD method

作　　者：张代雨 曹磊 张贝 王志东[1] 凌宏杰[1] ZHANG Dai-yu;CAO Lei;ZHANG Bei;WANG Zhi-dong;LING Hong-jie(School of Naval Architecture and Engineering,Jiangsu University of Science and Technology,Zhenjiang 212003,China;State Key Laboratory of Ocean Engineering,Shanghai Jiaotong University,Shanghai 200240,China)

机构地区：[1]江苏科技大学船舶与海洋工程学院,江苏镇江212003 [2]上海交通大学海洋工程国家重点实验室,上海200240

出　　处：《舰船科学技术》2023年第24期38-46,共9页Ship Science and Technology

基　　金：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)。

摘　　要：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.

关 键 词：水下滑翔机 水动力导数 约束模型试验 斜航实验 平面运动机构 

分 类 号：U674.941[交通运输工程—船舶及航道工程]