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Title of Journal: ACTA MECH SINICA

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Abbravation: Acta Mechanica Sinica

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Springer-Verlag

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DOI

10.1016/0037-0738(90)90071-z

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1614-3116

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Damping computation of liquid sloshing with small

Authors: Wei Wang Junfeng Li Tianshu Wang
Publish Date: 2005/12/16
Volume: 22, Issue: 1, Pages: 93-98
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Abstract

An FEM Finite Element Method based damping estimation method of liquid sloshing with small amplitude in rigid container is proposed Damping of the sloshing is affected by many factors and some of them are very complicated Therefore this paper aims to provide an estimation range instead of computing the exact value of damping This method will consider the dissipation at wall in the interior and at the contaminated free surface Owing to the complexity of viscous damping at the free surface damping of two extreme conditions are computed to estimate the range of actual damping An iterative algorithm is designed to solve a special general eigenvalue problem Comparing the computation results with experimental results it is found that most of the experimental results are within the range of the numerical estimation Therefore the method is effective in estimating the range of the damping of liquid sloshing with small amplitude in rigid container

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