Abstract
This paper is concerned with the numerical analysis of the resonance characteristics of liquid sloshing in a 2-D baffled tank subjected to the forced lateral excitation. Sloshing flow is formulated based on the linearized potential flow theory, while an artificial damping term is employed into the kinematic free-surface condition to reflect the eminent dissipation effect in resonant sloshing. A test FEM program is developed for the resonant sloshing analysis in frequency domain. The choice of the artificial damping coefficient is parametrically examined and the numerical accuracy is verified through the comparison with the available analytic solutions. Through the numerical analysis of sloshing frequency response with respect to the number, location and opening width of baffle, the sloshing damping characteristics by the baffle are parametrically investigated.
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