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http://dx.doi.org/10.3795/KSME-B.2017.41.11.759

Numerical Analysis of Three-dimensional Sloshing Flow Using Least-square and Level-set Method  

Jeon, Byoung Jin (Integrative Cardiovascular Imaging Research Center, Yonsei Univ.)
Choi, Hyoung Gwon (Dept. of Mechanical and Automotive Engineering, Seoul Nat'l Univ. of Science and Technology)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.41, no.11, 2017 , pp. 759-765 More about this Journal
Abstract
In this study, a three-dimensional least-square, level-set-based two-phase flow code was developed for the simulation of three-dimensional sloshing problems using finite element discretization. The code was validated by solving some benchmark problems. The proposed method was found to provide improved results against other existing methods, by using a coarser mesh. The results of the numerical experiments conducted during the course of this study showed that the proposed method was both robust and accurate for the simulation of three-dimensional sloshing problems. Using a substantially coarse grid, historical results of the dynamic pressure at a selected position corresponded with existing experimental data. The pressure history with a finer grid was similar to that of a coarse grid; however, a fine grid provided higher peak pressures. The present method could be extended to the analysis of a sloshing problem in a complex geometrical configuration using unstructured meshes owing to the features of FEM.
Keywords
Level Set; Least Square; Sloshing Problem; Three-dimensional; Finite Element Method;
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