摘要
以Navier-Stokes方程为控制方程,使用VOF方法追踪自由液面,对FLUENT进行二次开发,将各功能区的源项表达式添加到动量方程中,从而实现动量源造波和消波。模拟二阶Stokes波作用下不同断面形式防浪墙的流场和波压力,并将计算结果与物理模型试验数据进行对比,结果吻合较好。比较直立式和弧形防浪墙波浪压力数值计算结果可以发现,在相同水位和波浪要素情况下,作用在圆弧墙上的最大点压强明显大于直立墙,而且最大压强发生在圆弧部分,工程中应该对圆弧部分进行加固处理。
Based on Navier-Stokes equations to describe the motion of incompressible fluid,the volume of fluid(VOF)method is adopted to track the free surface.In the second development of FLUENT,the source term expression of each functional area is added to the momentum equation to realize the momentum source wave and the wave elimination.In this paper,the flow field and wave pressure of the different sections of the anti-wave wall under the action of second-order Stokes wave are simulated,and the calculated results are compared with the physical model test data,and the results are in good agreement.Comparing the results of the numerical calculation of the wave pressure of the vertical and curved walls,it can be found that the maximum pressure on the arc wall is significantly greater than the vertical wall in the case of the same water level and the wave elements,and the maximum pressure occurs in the arc part which should be strengthened in order to ensure the overall stability of arc crown wall.
作者
于龙基
杨森
张华昌
董胜
YU Long-ji;YANG Sen;ZHANG Hua-chang;DONG Sheng(Shanghai Waterway Engineering Design and Consulting Co., Ltd., Shanghai 200120, China;Navy Engineering Design and Research Institute,Qingdao 266100,China;Ocean University of China,Qingdao 266100,China)
出处
《水运工程》
北大核心
2017年第11期29-35,共7页
Port & Waterway Engineering
关键词
N-S方程
V0F方法
动量源
弧形防浪墙
波压力
Navier-Stokes equations
VOF method
momentum source
arc crown wall
wave pressure
