Analytical Study of Transient Coupling between Vessel Motion and Liquid Sloshing in Multiple Tanks
Publication: Journal of Engineering Mechanics
Volume 142, Issue 7
Abstract
The transient coupling between the vessel motion and liquid sloshing in multiple tanks is investigated. External disturbance factors (e.g., spring constraint or force field) that might affect the oscillation characters of the coupling system are not involved so that the vessel motion is only excited by the liquid sloshing in tanks. The analytical solution for this coupling problem has been derived based on the potential flow theory, which converts the problem to a linear system of ordinary differential equations. The approach to determine natural frequencies of the coupling system is also given. The vessel with one or more rectangular tanks is considered for cases studies. Effects of factors, such as vessel mass, number of tanks, tank configuration and free-surface deformation on the vessel motion, liquid sloshing, and mechanical-energy components of the system are studied systematically.
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Acknowledgments
The author gratefully acknowledges the financial support from the Lloyd’s Register Foundation (LRF) through the joint center involving University College London, Shanghai Jiao Tong University, and Harbin Engineering University. The LRF helps to protect life and property by supporting engineering-related education, public engagement, and the application of research. This work is also supported by the China Scholarship Council (CSC) (No. 201206680001). Thanks also go to Prof Guo Xiong Wu from University College London for valuable discussions.
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Information
Published In
Journal of Engineering Mechanics
Volume 142 • Issue 7 • July 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Sep 17, 2015
Accepted: Jan 7, 2016
Published online: Mar 2, 2016
Published in print: Jul 1, 2016
Discussion open until: Aug 2, 2016
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