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Issue:
Computational Analysis and Prediction of Wave Forces on Portable Underwater Vehicle
Author(s):
PAN Guang
,
LIU Ya-nan
,
DU Xiao-xu
Pages:
371
-
378
Year:
2014
Issue:
3
Journal:
Acta Armamentarii
Keyword:
fluid mechanics
;
underwater vehicle
;
wave force
;
panel method
;
curve fitting function
;
Abstract:
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.
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