2008•Chuanbo lixueRequires access

Level-set Method for Predicting Impact Pressure Induced by Violent Sloshing in a Tank

Renqing Zhu, Zhiyong Fang, Zhang Zhao-gang, Zhengyun Chen

Abstract

In this paper, a two-dimensional (2D) numerical simulation based on the Level-set method is performed for the simulation of violent flow in a partially filled tank. For modeling impact pressure induced by large amplitude sloshing, an emphasis is given to the numerical treatment of the free surface, which is sensitive to the simulation. Liquid sloshing inside a rectangular tank is simulated. The time histories of the free surface position and the dynamic pressure are obtained. The results are compared with the test ones. These comparisons show that the present method can be used to simulate the sloshing induced impact loads.

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Key concepts: Slosh dynamics, Impact pressure, Free surface, Structural engineering, Computer simulation, Mechanics, Dynamic pressure, Flow (mathematics)