Journal of the Society of Naval Architects of Japan
Online ISSN : 1884-2070
Print ISSN : 0514-8499
Boundary Element Analysis of 3-Dimensional Sloshing Problems by Using Cubic Spline Element
Toshio IsekiAkiji ShinkaiKuniharu Nakatake
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1989 Volume 1989 Issue 166 Pages 355-362


The boundary element method is extended to simulate the non-linear sloshing of liquid in a three dimensional tank. In the proposed method, higher-order element (cubic spline element) is employed for discretization of the boundary integral equation in order to improve the accuracy of numerical solutions. And, the perturbation method is introduced for the purpose of saving the computing time. The details of the boundary element technique are described in reference to formations of cubic spline element.
Several numerical examples are presented for liquid-sloshing in prismatic and spherical tanks subjected to forced oscillations, and are compared with the experimental results, furthermore, the usefulness of the proposed method is discussed.

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