摘要
港内波高大小对泊稳条件影响重大。以海外某离岸式化工码头为工程背景,采用新型密排管桩防波堤为研究对象,探讨不同波浪工况下防波堤的透射性能。基于FLOW 3D的有限差分法,建立具有自由水面的三维数值波浪水池,通过与物理模型试验对比验证模型的准确性,分析在不同波陡、不同周期波浪条件下,不同管桩间缝宽的透射系数。结果表明:随波浪周期的增大,透射系数先增大后趋于平缓,当入射波浪周期大于一定范围时,防波堤对于波浪的掩护作用不再增强;在小周期波浪条件下,透射系数随桩间缝宽的增大而增大,当相对缝宽为0.05时,透射系数低于70%。研究结果可为实际工程应用提供指导。
The magnitude of the wave height in the port has a significant impact on the mooring stability conditions.This article takes an offshore chemical terminal overseas as the engineering background and takes the new type of densely packed pipe piles breakwater as the research object to explore the transmission performance of the breakwater under different wave conditions.Based on the finite difference method of FLOW 3D,a three-dimensional numerical wave tank with a free water surface is established.The accuracy of the model is verified by comparing it with the experimental data.The results show that as the wave period increases,the transmission coefficient first increases and then tends to flatten.When the incident wave period exceeds a certain range,the protective effect of the breakwater on the waves is no longer enhanced.Under small-period wave conditions,the transmission coefficient increases with the increase in the width of the pile gap.When the relative width of the pile gap is 0.05,the transmission coefficient is less than 70%.The research results can guide practical engineering applications.
作者
魏建宇
谭彬政
任赵飞
WEI Jianyu;TAN Binzheng;REN Zhaofei(CCCC-FHDI Engineering Co.,Ltd.,Guangzhou 510230,China)
出处
《水运工程》
北大核心
2023年第12期55-59,共5页
Port & Waterway Engineering
关键词
FLOW
3D
密排管桩防波堤
透射系数
反射系数
FLOW 3D
densely packed pipe pile
transmission coefficient
reflection coefficient
