Numerical simulation of violent sloshing by a CIP-based method
Numerical simulation of violent sloshing by a CIP-based method
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DOI：
10.1007/s00773-006-0216-7
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发表时间：
2006-05
影响因子：
2.6
通讯作者：
Zdravko R. Kishev;Changhong Hu;M. Kashiwagi
中科院分区：
文献类型：
--
作者：
Zdravko R. Kishev;Changhong Hu;M. Kashiwagi
本文采用一种新的基于约束内插轮廓(CIP)方法的计算流体力学模拟方法来处理剧烈晃动问题。本文研究了矩形水池中的二维晃动现象。通过该方法，晃动问题被视为一个包含水和空气流动的多相问题。采用固定笛卡尔网格，自由面采用界面捕捉法求解。流动求解采用CIP联合统一程序(CCUP)格式，界面捕捉采用CIP格式和CIP守恒半拉格朗日-三次插值多项式(CIP-CSL3)格式。为了验证数值方法的有效性，对一个矩形储罐进行了不同频率、不同充填高度的物理实验。首先对该方法进行了收敛检验。对剧烈晃动的数值模拟结果表明，采用CIP-CSL3格式作为界面捕获过程，可以得到比传统CIP格式更好的压力分布和自由面分布。
In this article, a new computational fluid dynamics simulation approach based on the constraint interpolation profile (CIP) method is applied to tackle the violent sloshing problem. The present study considers two-dimensional sloshing phenomena in a rectangular tank. By the proposed method, the sloshing problem is viewed as a multiphase problem that includes water and air flows. A stationary Cartesian grid is used and the free surface is solved by an interface capturing method. The CIP combined unified procedure (CCUP) scheme was adopted for the flow solver, and both the CIP scheme and the CIP conservative semi-Lagrangian with cubic interpolation polynomial (CIP-CSL3) scheme were used for interface capturing. For validation of the numerical method, a physical experiment was conducted with a rectangular tank for several frequencies and filling heights. A convergence check was first performed for the method. The numerical simulation results on violent sloshing show that the use of the CIP-CSL3 scheme as an interface capturing procedure gives much better results for the pressures and free-surface profiles than the conventional CIP scheme.