3-D simulation of large amplitude liquid sloshing using Youngs-VOF method

被引：0

作者：

School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China ^{[1
]}

不详 ^{[2
]}

机构：

[1] School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University

[2] National Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University

来源：

Harbin Gongcheng Daxue Xuebao | / 9卷 / 1075-1078期

关键词：

3-D large amplitude sloshing; Surface tension; Volume of fluid;

D O I：

10.3969/j.issn.1007-7043.201109006

中图分类号：

学科分类号：

摘要：

The problem of liquid sloshing in tanks of liquid cargo ships has increasingly been attracting the attention of researchers. For three dimensional large amplitude sloshing, the low filling height and harmonic excitation frequency were taken as the conditions of forming resonance frequency, and a Youngs-VOF method based on finite difference method was adopted to reconstruct a free surface; the effect of surface tension was considered because of air entrapment, and then 3-D violent sloshing phenomena such as merging and air entrapment were numerically simulated. Finally, pressure time histories were predicted. Comparison between numerical and experimental results about the deforming phenomena of liquid surface in the large-amplitude sloshing shows that the Youngs-VOF method can effectively simulate violent sloshing phenomena, and calculational and experimental results of the impulsive load are in good agreement. In addition, the analysis of the impact of surface tension on impulsive pressure shows that surface tension must be included in the moment equation when considering impulsive pressure.

引用

页码：1075 / 1078

页数：3

共 12 条

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