Based on the Navier-Stokes equations, a 3-D viscous non-reflection numerical wave tank is established by using mass source method, and the interactions of waves and floating structures are investigated in the tank. In the tank the mass source region and working zone are surrounded by two sponge layer zones at both ends of the tank in order to avoid the reflected waves. Regular traveling waves and the interactions of wave and bottom-mounted wall, floating structures are simulated. The results show that the waves gene-rated by mass source method and their propagation agree well with the theoretical results. In the wave tank standing waves form before the structures, which reveals the tank’s non-reflection function. The interaction of waves and two floating bodies of Wigley and rectangular box side by side are simulated and analyzed. The computed wave forces at various frequencies are in good agreement with the experimental results, especially near the resonant frequency that they are much closer to experimental ones comparing with results over-predicted by the potential flow method.
YANG Yuntao,ZHU Renchuan,JIANG Yin,MIAO Guoping
. Simulation of 3-D Viscous Non-Reflection Numerical Wave Tank and
the Interactions of Waves and Structures[J]. Journal of Shanghai Jiaotong University, 2018
, 52(3)
: 253
-260
.
DOI: 10.16183/j.cnki.jsjtu.2018.03.001
［1］ZHU R C, MIAO G P, YOU Y X. Influence of gaps between 3-D multiple floating structures on wave forces［J］. Journal of Hydrodynamics, Ser B, 2005, 17(2): 141-147.
［2］ZHU H R, ZHU R C, MIAO G P. A time domain investigation on the hydrodynamic resonance pheno-mena of 3-D multiple floating structures［J］. Journal of Hydrodynamics, Ser B, 2008, 20(5): 611-616.
［3］LU L, TENG B, CHENG L, et al. Modelling of multi-bodies in close proximity under water waves—Fluid resonance in narrow gaps［J］. Science China Physics, Mechanics and Astronomy, 2011, 54(1): 16-25.
［4］LU L, TENG B, SUN L, et al. Modelling of multi-bodies in close proximity under water waves-Fluid forces on floating bodies［J］. Ocean Engineering, 2011, 38(13): 1403-1416.
［5］王永学. 无反射造波数值波浪水槽［J］. 水动力学研究与进展A辑, 1994, 9(2): 205-214.
WANG Yongxue. Numerical wave channel with absorbing wave-maker［J］. Chinese Journal of Hydrodynamics, 1994, 9(2): 205-214.
［6］LARSEN J, DANCY H. Open boundaries in short wave simulations — A new approach［J］. Coastal Engineering, 1983, 7(3): 285-297.
［7］LIN P, LIU P L F. Internal wave-maker for Navier-Stokes equations models［J］. Journal of Waterway, Port, Coastal, and Ocean Engineering, 1999, 125(4): 207-215.
［8］周勤俊, 王本龙, 兰雅梅, 等. 海堤越浪的数值模拟［J］. 力学季刊, 2005, 26(4): 629-633.
ZHOU Qinjun, WANG Benlong, LAN Yamei, et al. Numerical simulation of wave overtopping over seawalls［J］. Chinese Quarterly of Mechanics, 2005, 26(4): 629-633.
［9］林兆伟, 朱仁传, 缪国平. 甲板上浪问题的二维数值模拟［J］. 船舶力学, 2009, 13(1): 1-8.
LIN Zhaowei, ZHU Renchuan, MIAO Guoping. 2-D numerical simulation for green water on oscillating ships［J］. Journal of Ship Mechanics, 2009, 13(1): 1-8
［10］王志鹏, 侯国祥, 余洋, 等. 两种三维数值造波方法的对比研究［J］. 流体动力学, 2013, 1(3): 41-46.
WANG Zhipeng, HOU Guoxiang, YU Yang, et al. Comparison of two methods of wave generating in 3-d numerical wave tank［J］. International Journal of Fluid Dynamics, 2013, 1(3): 41-46.
［11］张博杰, 张庆河. 基于OpenFOAM开源程序的无反射数值波浪水槽［J］. 中国港湾建设, 2012, 182(5): 1-3.
ZHANG Bojie, ZHANG Qinghe. 2D numerical wave flume without reflection based on OpenFOAM［J］. China Harbour Engineering, 2012, 182(5): 1-3.
［12］方昭昭, 朱仁传, 缪国平, 等. 基于数值波浪水池的波浪中船舶水动力计算［J］. 水动力学研究与进展A辑, 2012, 27(5): 515-524.
FANG Zhaozhao, ZHU Renchuan, MIAO Guoping, et al. Numerical calculation of hydrodynamic forces for a ship in regular waves based on numerical wave tank［J］. Chinese Journal of Hydrodynamics, 2012, 27(5): 515-524.
［13］CHOI J, YOON S B. Numerical simulations using momentum source wave-maker applied to RANS equation model［J］. Coastal Engineering, 2009, 56(10): 1043-1060.
［14］KASHIWAGI M, ENDO K, YAMAGUCHI H. Wave drift forces and moments on two ships arranged side by side in waves［J］. Ocean Engineering, 2005, 32(5/6): 529-555.
［15］SHEN Z R, WAN D C. RANS computations of added resistance and motions of a ship in head waves［J］. International Journal of Offshore and Polar Engineering, 2013, 23(4): 263-271.
