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Open AccessArticle

Optimal Design of Circular Baffles on Sloshing in a Rectangular Tank Horizontally Coupled by Structure

1
Department of Mechanical, Robotics and Energy Engineering, Dongguk University, Seoul 04620, Korea
2
Faculty of Aerospace Engineering, Delft University of Technology, 5058 Delft, The Netherlands
3
Division of Computational Physics, Institute for Computational Science, Ton Duc Thang University, Ho Chi Minh City 70000, Vietnam
4
Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City 70000, Vietnam
*
Author to whom correspondence should be addressed.
Water 2018, 10(11), 1504; https://doi.org/10.3390/w10111504
Received: 29 August 2018 / Revised: 24 September 2018 / Accepted: 3 October 2018 / Published: 24 October 2018
(This article belongs to the Special Issue Pipeline Fluid Mechanics)
Parametric studies on the optimization of baffles on vibration suppression of partially filled tanks coupled by structure have been widely conducted in literature. However, few studies focus on the effect of the position of the baffles on fluid flow stratification and dampening the motion. In the present study, a numerical investigation, an engineering analysis, and optimal design study were performed to determine the effect of external flow on circular obstacle baffles performance on suppressing the vibrations of coupled structure in a closed basin. The single degree of freedom model (mass–spring–damper) is used to model the structure that holds the tank. The coupled system is released from an initial displacement without a velocity. The governing mass, turbulent Navier–Stokes momentum, volume of fluid, and one degree of freedom structure equations are solved by the Pressure-Implicit with Splitting of Operators algorithm in fluids and Newmark method in structure. Based on a detailed study of transient structure motion coupled with sloshing dynamics, the optimal baffle location was achieved. Optimal position of the baffle and its width are systematically obtained with reference to the quiescent free surface. View Full-Text
Keywords: baffles; fluid–solid interaction; sloshing dynamics; vibration; control baffles; fluid–solid interaction; sloshing dynamics; vibration; control
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MDPI and ACS Style

Jamalabadi, M.Y.A.; Ho-Huu, V.; Nguyen, T.K. Optimal Design of Circular Baffles on Sloshing in a Rectangular Tank Horizontally Coupled by Structure. Water 2018, 10, 1504.

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