Abstract
Nonlinear wave motion on the free surface in a two-dimensional container subjected to external periodical excitation is considered in this paper. In order to analyze the arbitrary container geometry, a solution scheme using Lagrange particles on the free surface is employed. Fluid motion is assumed to be governed by the Laplace equation in terms of the velocity potential with a nonlinear pressure equation on the surface. The boundary element method with an explicit time marching is used by the fluid region boundary discretization alone at each time. Various kinds of container with inclined side walls are analyzed for the horizontal sway motion and compared from a practical viewpoint.
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