| Summary: | 碩士 === 國立臺灣大學 === 造船工程學系 === 86 === This study discusses three-dimensional nonlinear liquid sloshing
problems for the Tuned Liquid Damper(TLD), namely nonlinear
oscillation of liquid in a tank subjected to horizontal forced
vibrations. First, the liquid is assumed to satisfy
potential theory. By this assumption, the Boundary Element
Method is applied to solve the potential and velocity
distributions on the boundary of tank. Next, the Taylor series
expansion and Lagrangian description are used to compute the
position and relative unknowns of the liquid particles on the
free surface. In the present study, the free surface movement in
the container due to horizontal harmonic forced oscillation and
the effectiveness in vibration reducing of three-dimensional
rectangular and cylindrical TLD tanks are computed and
discussed. The study also presents the behavior of the iterative
techniques for solving linear systems in this liquid sloshing
problems.
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