长江口深水航道三维泥沙数值模型相关问题探讨A review on the three-dimensional numerical model of flow,sediment and salinity and the movement mechanism in Yangtze estuary
顾峰峰,郭贺
摘要(Abstract):
基于近年来长江口三维水沙盐数值模型及水沙运动机理的研究进展,系统梳理了在长江口实际应用中面临的若干理论和技术难题,其中包括长江口物质输运模拟计算格式的守恒性和稳定性、河口区域河床切应力的准确计算、拦门沙区域近底高浓度泥沙形成机理及数值模型模拟、长江口近底高浓度泥沙横向入槽模式等问题,通过对于上述问题的梳理和总结,表明在长江口这类巨型河口进行三维水沙盐数值模型和水沙机理研究的复杂性,并针对此类区域的模型技术研发和水沙运动理论研究,提出了有科学意义和研究价值的方向和思路。
关键词(KeyWords): 长江口;三维水沙盐数值模型;水沙运动机理;高浓度泥沙
基金项目(Foundation): 国家重点研发计划项目(2017YFC0405400);; 港口航道泥沙工程交通行业重点实验室开放基金项目
作者(Author): 顾峰峰,郭贺
DOI: 10.16483/j.issn.1005-9865.2020.04.005
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