A SPH simulation on large-amplitude sloshing for fluids in a two-dimensional tank

A SPH simulation on large-amplitude sloshing for fluids in a two-dimensional tank
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二维罐内流体大振幅晃动的SPH模拟

DOI:
10.1007/s11803-013-0157-1
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发表时间:
2013-03
影响因子:
2.8
通讯作者:
Li Yuchun
Li Yuchun
中科院分区:
工程技术3区
文献类型:
--
作者:
Wang Lishi;Wang Zhuang;Li Yuchun

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光滑粒子流体动力学(SPH)是一种无网格自适应拉格朗日粒子方法,具有处理自由表面流动的独特优点。本文应用SPH方法模拟了二维储罐中有浮体和无浮体的大幅横向晃动以及垂向参激晃动。数值结果表明,SPH方法在处理剧烈流固耦合、自由液面流动分离和波浪破碎等非线性晃动问题时,与传统的网格方法相比具有明显的优势。SPH方法为解决这类特殊的强非线性晃动问题提供了一种新的思路和有效的方法。
Smoothed particle hydrodynamics (SPH) is a mesh-free adaptive Lagrangian particle method with attractive features for dealing with the free surface flow. This paper applies the SPH method to simulate the large-amplitude lateral sloshing both with and without a floating body, and the vertical parametrically-excited sloshing in a two-dimensional tank. The numerical results show that the SPH approach has an obvious advantage over conventional mesh-based methods in handling nonlinear sloshing problems such as violent fluid-solid interaction, and flow separation and wave-breaking on the free fluid surface. The SPH method provides a new alternative and an effective way to solve these special strong nonlinear sloshing problems.
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