孙烨, 司先才, 马靖丰, 谭俊哲, 张雪飞, 王树杰. 小型无人帆船Z形操纵性能预测分析[J]. 中国舰船研究, 2019, 14(2): 15-20. DOI: 10.19693/j.issn.1673-3185.01380
引用本文: 孙烨, 司先才, 马靖丰, 谭俊哲, 张雪飞, 王树杰. 小型无人帆船Z形操纵性能预测分析[J]. 中国舰船研究, 2019, 14(2): 15-20. DOI: 10.19693/j.issn.1673-3185.01380
Sun Ye, Si Xiancai, Ma Jingfeng, Tan Junzhe, Zhang Xuefei, Wang Shujie. Predictive analysis on zigzag maneuverability of small saildrone[J]. Chinese Journal of Ship Research, 2019, 14(2): 15-20. DOI: 10.19693/j.issn.1673-3185.01380
Citation: Sun Ye, Si Xiancai, Ma Jingfeng, Tan Junzhe, Zhang Xuefei, Wang Shujie. Predictive analysis on zigzag maneuverability of small saildrone[J]. Chinese Journal of Ship Research, 2019, 14(2): 15-20. DOI: 10.19693/j.issn.1673-3185.01380

小型无人帆船Z形操纵性能预测分析

Predictive analysis on zigzag maneuverability of small saildrone

  • 摘要:
      目的  无人帆船的操纵性预测对实现智能循迹航行具有关键性的作用。为了研究舵角与船体运动之间的关系,实现对操纵性的准确预测,
      方法  采用数值模拟方法,系统研究无人帆船船-舵斜航粘性流场模型及其水动力特性,在对船-舵系统的水动力特性进行仿真前,分别对船体、敞水舵的数值计算结果与理论方法予以初步验证;然后,在此基础上实现无人帆船船-舵斜航粘性流场的数值计算;最后,利用MMG分离建模方法建立帆船的操纵运动模型,采用四阶龙格-库塔方法对微分方程进行求解,通过模拟船舶Z字形航行来分析船舵对船体操纵性的影响。
      结果  结果表明,应用CFD方法预报船体操纵性可行。
      结论  船体的操纵性能可以适用于规定工况下无人帆船的安全航行。

     

    Abstract:
      Objectives  The maneuverability prediction of small saildrone plays a key role in achieving intelligent tracking and navigation. In order to study the relationship between rudder angle and hull motion, and to predict the maneuverability accurately,
      Methods  in this paper, the numerical simulation method is used to systematically study the ship-rudder oblique viscous flow field model and hydrodynamic properties of saildrone. Before simulation of hydrodynamic properties of ship-rudder system, the numerical calculation results and theoretical method of the hull and open water rudder are preliminarily validated. Then the numerical calculation of ship-rudder oblique viscous flow field of saildrone is carried out. Finally, the MMG (ship manoeuvring mathematical model group) method is used to establish the maneuver motion model of the saildrone. The fourth-order Runge-Kutta method is used to solve the differential equation. The influence of the rudder on the maneuverability of the hull is analyzed by simulating the hull zigzag navigation.
      Results  The results show that it is feasible to predict the maneuverability of the saildrone with CFD method.
      Conclusions  The maneuverability of the hull is applicable for the safe navigation of saildrone in defined conditions.

     

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