恒定水深船舶数值波流水池构造研究
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摘要
为研究船舶推进过程中波流相互作用问题,基于不可压缩黏性流N-S方程,采用质量源和动量源方法,建立了恒定水深黏性流船舶数值波流水池,对波流相互作用时流场变化及波形变化进行了研究。通过在水池两端设定稳定入口速度实现水池区域均匀流的生成,同时在水池中间指定区域内添加质量源生成目标波,依靠VOF方法实现自由液面的精确捕捉。模拟的不同工况下波面与速度分布情况与理论结果吻合良好,表明建立的黏性流船舶数值波流水池可以进行波流相互作用数值模拟,并进一步定量分析了水流对波浪参数的影响以及孤立波流相互作用问题。
Concerning the problem of wave-current interaction for ship propulsion,a ship viscous numerical wave and current tank with constant water depth is established based on the Navier-Stokes equations for viscous,incompressible fluid and the mass-source wave generation method and the momentum-source wave absorption method. The variation of the flow field and the wave profile during wave-current interaction is studied. The uniform current generation is achieved by imposing a steady inlet velocity on both the left and right boundaries,while the target wave is generated by adding the mass-source term to the specified domain,and the VOF method is used to accurately capture the water free surface. The numerical results of the water surface profile and velocity distribution under different wave and current conditions agree well with the theoretical results,indicating that the model established here has abilities in simulating the wave-current interactions. Based on the numerical model established here,the ship viscous numerical wave and current tank with constant water depth is developed,and the effects of current velocity on wave and the solitary wave-current interactions are investigated quantitatively.
Concerning the problem of wave-current interaction for ship propulsion,a ship viscous numerical wave and current tank with constant water depth is established based on the Navier-Stokes equations for viscous,incompressible fluid and the mass-source wave generation method and the momentum-source wave absorption method. The variation of the flow field and the wave profile during wave-current interaction is studied. The uniform current generation is achieved by imposing a steady inlet velocity on both the left and right boundaries,while the target wave is generated by adding the mass-source term to the specified domain,and the VOF method is used to accurately capture the water free surface. The numerical results of the water surface profile and velocity distribution under different wave and current conditions agree well with the theoretical results,indicating that the model established here has abilities in simulating the wave-current interactions. Based on the numerical model established here,the ship viscous numerical wave and current tank with constant water depth is developed,and the effects of current velocity on wave and the solitary wave-current interactions are investigated quantitatively.
引文
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[17]Zhongbo Liu,Kezhao Fang.Two-Layer Boussinesq Models for Coastal Water Waves[J].Wave Motion,2015,57:88-111.
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[19]吴永胜,练继建,王兆印,等.波浪-水流相互作用模型[J].水利学报,2002,(4):13-17.
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[22]Pengzhi Lin,Philip L,Liu F,et al.Internal WaveMaker for Navier-Stokes Equations Models[J].Journal of Waterway,Port,Coastal and Ocean Engineering,1999,125(4):207-214.
[23]Wei G,Kirby J T,Sinha A.Generation of Waves in Boussinesq Models Using a Source Function Method[J].Coastal Engineering,1999,36:271-299.
[24]Madsen P A,Bingham H B,Liu H.A New Boussinesq Method for Fully Nonlinear Waves from Shallow to Deep Water[J].Journal of Fluid Mechanical,2003,462:1-30.
[25]邹志利.水波理论及其应用[M].北京:科学出版社,2005.
[2]楼云锋,李昊.考虑结构响应及轴线形状的防浪堤抗波浪冲击数值模拟研究[J].工程力学,2015,32(2):241-249.
[3]舒敏骅,陈科,尤云祥,等.外部轴向激励作用下螺旋桨轴承力非定常变化特性数值研究[J].推进技术,2017,38(4):721-731.(SHU Min-hua,CHEN Ke,YOU Yun-xiang,et al.Numerical Study on Unsteady Variation Characteristics for Bearing Forces of a Propeller with External Axial-Excitation[J].Journal of Propulsion Technology,2017,38(4):721-731.)
[4]吴乘胜,朱德祥,顾民.数值波浪水池及顶浪中船舶水动力计算[J].船舶力学,2008,12(2):168-179.
[5]Hong Xiao,Wenrui Huang,Jianhua Tao.Numerical Modeling of Wave-Current Forces Acting on Horizontal Cylinder of Marine Structures by VOF Method[J].Ocean Engineering,2013,67:58-67.
[6]董志,詹杰民.基于VOF方法的数值波浪水池以及造波、消波方法研究[J].水动力学研究与进展(A辑),2009,24(1):15-21.
[7]Chen L F,Zang J,Hillis A J.Numerical Investigation of Wave-Structure Interaction Using Open FOAM[J].Ocean Engineering,2014,88:91-109.
[8]方昭昭,朱仁传,缪国平.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.
[9]封星,吴宛青.二维数值波浪水槽在FLUENT中的实现[J].大连海事大学学报,2010,36(3):94-96.
[10]唐耀,邹早建.二维黏性流数值波浪水池的开发与验证[J].水动力学研究与进展(A辑),2013,28(5):15-21.
[11]Chen Yenlung,Shih-Chun Hsiao.Generation of 3D Water Waves Using Mass Source Wavemaker Applied to Navier-Stokes Model[J].Coastal Engineering,2016,109:76-95.
[12]Zhang J S,Zhang Y,Jeng D S.Numerical Simulation of Wave-Current Interaction Using a RANS Solver[J].Ocean Engineering,2014,75:157-164.
[13]宁德志,陈丽芬,田宏光.波流混合作用的完全非线性数值水池模型[J].哈尔滨工程大学学报,2010,31(11):1450-1455.
[14]唐恺,朱仁传,缪国平.波浪中浮体运动的时域混合格林函数法[J].上海交通大学学报,2014,48(4):508-514.
[15]Anbarsooz M,Passandideh Fard M,Moghiman M.Fully Nonlinear Viscous Wave Generation in Numerical Wave Tanks[J].Ocean Engineering,2013,59:73-85.
[16]Azhen Kang,Pengzhi Lin,Yi Jiat Lee.Numerical Simulation of Wave Interaction with Vertical Circular Cylinders of Different Submergences Using Immersed Boundary Method[J].Computers&Fluids,2015,106:41-53.
[17]Zhongbo Liu,Kezhao Fang.Two-Layer Boussinesq Models for Coastal Water Waves[J].Wave Motion,2015,57:88-111.
[18]Junwoo Choi,James Kirby T.Boussinesq Modeling of Long Shore Currents in the Sandy Duck Experiment under Directional Random Wave Conditions[J].Coastal Engineering,2015,101:17-34.
[19]吴永胜,练继建,王兆印,等.波浪-水流相互作用模型[J].水利学报,2002,(4):13-17.
[20]秦楠,鲁传敬.数值波流水池构造方法研究[J].水动力学研究与进展(A辑),2013,28(3):349-356.
[21]吴梓鑫,朱仁庆,缪志刚.波流数值水池模拟研究[J].江苏科技大学学报(自然科学版),2015,(1):10-15.
[22]Pengzhi Lin,Philip L,Liu F,et al.Internal WaveMaker for Navier-Stokes Equations Models[J].Journal of Waterway,Port,Coastal and Ocean Engineering,1999,125(4):207-214.
[23]Wei G,Kirby J T,Sinha A.Generation of Waves in Boussinesq Models Using a Source Function Method[J].Coastal Engineering,1999,36:271-299.
[24]Madsen P A,Bingham H B,Liu H.A New Boussinesq Method for Fully Nonlinear Waves from Shallow to Deep Water[J].Journal of Fluid Mechanical,2003,462:1-30.
[25]邹志利.水波理论及其应用[M].北京:科学出版社,2005.