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Xiong Yaoyu, Duan Hong, Jiang Zhifang, Chen Li. 数值模拟现代水面舰船带自由面的湍流绕流场J. Chinese Journal of Ship Research, 2010, 5(6): 15-20,32. DOI: 10.3969/j.issn.1673-3185.2010.06.004
Citation:
Xiong Yaoyu, Duan Hong, Jiang Zhifang, Chen Li. 数值模拟现代水面舰船带自由面的湍流绕流场J. Chinese Journal of Ship Research, 2010, 5(6): 15-20,32. DOI: 10.3969/j.issn.1673-3185.2010.06.004
Xiong Yaoyu, Duan Hong, Jiang Zhifang, Chen Li. 数值模拟现代水面舰船带自由面的湍流绕流场J. Chinese Journal of Ship Research, 2010, 5(6): 15-20,32. DOI: 10.3969/j.issn.1673-3185.2010.06.004
Citation:
Xiong Yaoyu, Duan Hong, Jiang Zhifang, Chen Li. 数值模拟现代水面舰船带自由面的湍流绕流场J. Chinese Journal of Ship Research, 2010, 5(6): 15-20,32. DOI: 10.3969/j.issn.1673-3185.2010.06.004
数值模拟现代水面舰船带自由面的湍流绕流场
Xiong Yaoyu
,
Duan Hong
,
Jiang Zhifang
,
Chen Li
Graphical Abstract
Abstract
Abstract
为了研究带自由面的船舶湍流绕流场,选择了一艘ITTC推荐的公开船模作为模拟对象,数值求解RANS方程。此模型为带声呐导流罩和方形尾封板的复杂水面舰船。采用Ogrid块拓扑算法生成质量较高的纯六面体多块结构化网格,计算中采用RNG k-ε湍流模式和标准壁面函数,并使用VOF算法来捕捉自由面。空间离散采用QUICK格式,压力-速度解耦采用PISO算法。将阻力和波形的数值结果与实验数据相比较,总阻力系数误差约2%,船侧波形、船首自由面吻合良好,显示了CFD方法在船舶水动力学中预测带自由面湍流绕流场的有效性。
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