High-fidelity simulation of wave propagation based on VPM-THINC/QQ model

被引：0
|
作者：
Nie L. [1 ]
Zhao X. [1 ]
Zhang Z. [1 ]
Tong C. [1 ]
Wang C. [1 ]
机构：
[1] Ocean College, Zhejiang University, Zhoushan, 316021, Zhejiang
来源：
Lixue Xuebao/Chinese Journal of Theoretical and Applied Mechanics | 2019年 / 51卷 / 04期
关键词：
High-fidelity; InterFoam solver; Numerical dissipation; Regular wave; VPM-THINC/QQ model; Wave propagation;
D O I：
10.6052/0459-1879-18-454
中图分类号：
学科分类号：
摘要：
In order to achieve high-fidelity of numerical simulation of wave propagation, an improved finite volume method with volume-average and point-value (VPM) is used to solve the Navier-Stokes equation and the tangent of hyperbola for interface capturing with quadratic surface representation and Gaussian quadrature reconstructs the free surface. The VPM-THINC/QQ model based on OpenFOAM underlying function library is established. The piston wave-making method is added to the current model to realize the wave generation, and the relaxation method is used to realize the wave dissipation. A high-precision viscous numerical wave water tank is built. The numerical simulation of regular waves is carried out by using VPM-THINC/QQ model and interFoam solver (multiphase solver widely used in OpenFOAM software packages) respectively. The effects of grid size and time step on the wave propagation process are investigated mainly. The attenuation degree of wave height is quantitatively compared and analyzed. In order to verify the adaptability of the current model, simulation of long and short waves is carried out. The results show that under the same grid size or time step, the prediction results of the VPM-THINC/QQ model agree well with the theoretical solution compared with the interFoam solver. The wave height has little attenuation and there is no phase difference. It shows high-fidelity of the VPM-THINC/QQ model in the wave propagation process. A high-precision model of viscous numerical wave tank is provided for studying the wave propagation process in this work. © 2019, Chinese Journal of Theoretical and Applied Mechanics Press. All right reserved.
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页码：1043 / 1053
页数：10
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