便携式水下航行器近水面航行波浪力计算分析与预报

doi:10.3969/j.issn.1000-1093.2014.03.012

兵工学报 ›› 2014, Vol. 35 ›› Issue (3): 371-378.doi: 10.3969/j.issn.1000-1093.2014.03.012

便携式水下航行器近水面航行波浪力计算分析与预报

潘光，刘亚楠，杜晓旭， Saeed Akram Malik

(西北工业大学航海学院, 陕西西安 710129)

收稿日期:2013-03-19 修回日期:2013-03-19 上线日期:2014-04-28
作者简介:潘光（1969—），男，教授，博士生导师
基金资助:
国家自然科学基金项目（51279165）

Computational Analysis and Prediction of Wave Forces on Portable Underwater Vehicle

PAN Guang，LIU Ya-nan，DU Xiao-xu，Saeed Akram Malik

(School of Marine Science and Technology, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, China)

Received:2013-03-19 Revised:2013-03-19 Online:2014-04-28

摘要/Abstract

摘要： 基于三维势流理论，运用边界元法计算便携式水下航行器近水面航行作业时受到的波浪力，计算入射波不同参数和航行器上浮和下潜时不同姿态组合下航行器受到的波浪载荷。分析发现可以采用航行器的实时纵向位置来代替有航速情况下的遭遇频率，考虑各因素影响并对波浪力的数值计算结果进行函数拟合。该方法拟合得到的波浪力计算公式可以直接加入航行器运动控制方程中，为评估水下航行器在波浪载荷下的操纵性研究带来了方便。

关键词: 流体力学, 便携式水下航行器, 波浪力, 面元法, 函数拟合

Abstract: The wave forces on portable underwater vehicle during sailing close to water surface are calculated based on panel method. Hydrodynamic forces acting on the underwater vehicle under the desired sea wave condition is calculated when it floats and submerges as well as operates at a constant velocity in a constant depth beneath the free surface waves. The effects of various factors, such as wave frequency, vehicle depth, direction, etc., on surge, heave and pitch are analyzed. A real time lognitudinal position is used instead of encounter frequency. The results are then used to derive the analytical formulae for wave forces and moment by curve fitting approach. The results are satisfactory by comparing the prediction and the real-time simulation. The proposed method can be used to assess the maneuverability of underwater vehicle when it operates in the ocean wave environment. The accuracy of the numerical simulation is ensured by verifying the difference between numerical simulation and experimental results.

Key words: fluid mechanics, underwater vehicle, wave force, panel method, curve fitting function

中图分类号:

TJ63

潘光，刘亚楠，杜晓旭， Saeed Akram Malik. 便携式水下航行器近水面航行波浪力计算分析与预报[J]. 兵工学报, 2014, 35(3): 371-378.

PAN Guang，LIU Ya-nan，DU Xiao-xu，Saeed Akram Malik. Computational Analysis and Prediction of Wave Forces on Portable Underwater Vehicle[J]. Acta Armamentarii, 2014, 35(3): 371-378.

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便携式水下航行器近水面航行波浪力计算分析与预报

Computational Analysis and Prediction of Wave Forces on Portable Underwater Vehicle

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