基于镜像SPH的三维容器液体晃荡研究  

Study on Liquid Sloshing in 3D Tanks Based on Ghost SPH

作　　者：刘玉龙[1] 滕斌[1] 

机构地区：[1]大连理工大学海岸和近海工程国家重点实验室,辽宁大连116024

出　　处：《船舶工程》2014年第5期42-45,共4页Ship Engineering

基　　金：国家自然科学基金(51379032;51221961)

摘　　要：基于SPH方法对液体在三维矩形容器中的非线性晃荡问题进行了数值模拟研究。采用镜像粒子边界建立三维模型,成功解决传统SPH方法在容器壁产生缝隙的问题。对横荡和横摇两种容器运动形式进行数值模拟,在液面时间历程、不同时刻液体形态、点压强以及液体晃荡作用力等方面与其他学者的实验研究结果和数值计算结果进行对比验证,表明此三维模型的正确性。A numerical study has been taken to simulate nonlinear liquM sloshing in 3D rectangular tank. The 3D model is developed by using smoothed-particle-hydrodynamics （SPH） method with ghost boundary condition, which avoids the gap between liquid and the walls of container usually conducted by traditional SPH method Numerical simulations have been taken on sway and roll tank motion respectively, which are compared to the experiments and numerical studies of other researchers at surface elevation, flow pattern, point pressure and sloshing force. The result shows the validation Of the 3D numerical model

关 键 词：SPH 镜像边界 液体晃荡 三维容器 

分 类 号：U663.85[交通运输工程—船舶及航道工程]