Abstract
A finite difference model for solving Navier Stokes equations with turbulence taken into account is used to investigate viscous liquid sloshing-wave interaction with baffles in a tank. The volume-of-fluid and virtual boundary force methods are employed to simulate free surface flow interaction with structures. A liquid sloshing experimental apparatus was established to evaluate the accuracy of the proposed model, as well as to study nonlinear sloshing in a prismatic tank with the baffles. Damping effects of sloshing in a rectangular tank with bottom-mounted vertical baffles and vertical baffles touching the free surface are studied numerically and experimentally. Good agreement is obtained between the present numerical results and experimental data. The numerical results match well with the current experimental data for strong nonlinear sloshing with large free surface slopes. The reduction in sloshing-wave elevation and impact pressure induced by the bottom-mounted vertical baffle and the vertical baffle touching the free surface is estimated by varying the external excitation frequency and the location and height of the vertical baffle under horizontal excitation.
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Acknowledgement
This study is supported by the National Natural Science Foundation of China (Nos. 51679079 and 51209080), the Fundamental Research Funds for the Central Universities (No. 2014B17314), the Program for Excellent Innovative Talents of Hohai University, the Open Fund of State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University (HESS-1703), the Open Fund Program of Key Laboratory of Water & Sediment Science and Water Hazard Prevention, Changsha University of Science & Technology (2015SS03), and the 111 Project (B12032).
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Xue, MA., Zheng, J., Lin, P. et al. Violent transient sloshing-wave interaction with a baffle in a three-dimensional numerical tank. J. Ocean Univ. China 16, 661–673 (2017). https://doi.org/10.1007/s11802-017-3383-8
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DOI: https://doi.org/10.1007/s11802-017-3383-8