NDLI: Nonlinear Internal Waves: A Numerical Investigation of 2D Sloshing

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Daniel, T. Valentine
Copyright Year	2004
Abstract	This paper examines internal sloshing motions in 2-D numerical wave tanks subjected to horizontal excitation. In all of the cases studied, the rectangular tank of liquid has a width-to-depth ratio of 2. The results presented are from simulations of internal waves induced by sloshing a density-stratified liquid. Non-linear, viscous flow equations of a Newtonian, Boussinesq liquid are solved. Some of the features of the evolution of sloshing in nearly two-layer and three-layer fluid systems are described. Initially, the middle of the two layers and the center of the middle layer of the three layers are horizontal and located at the center of the tank. The two-layer cases are forced at resonance. The evolution of sloshing from rest is examined. The maximum amplitude of sloshing occurs during the initial transient. If breaking occurs it is at the center of the container in the two-layer cases. The subharmonic forcing of a three-layer case induces a resonant response with the middle layer moving in such a way that motion is perpendicular to the isopycnals within this layer. These model problems provide some insights into the relatively complex sloshing that can occur in density-stratified liquids.
Sponsorship	Ocean, Offshore, and Arctic Engineering Division
Starting Page	367
Ending Page	374
Page Count	8
File Format	PDF
ISBN	0791837459
DOI	10.1115/OMAE2004-51002
e-ISBN	0791837386
Volume Number	23rd International Conference on Offshore Mechanics and Arctic Engineering, Volume 3
Conference Proceedings	ASME 2004 23rd International Conference on Offshore Mechanics and Arctic Engineering
Language	English
Publisher Date	2004-06-20
Publisher Place	Vancouver, British Columbia, Canada
Access Restriction	Subscribed
Subject Keyword	Fluids Simulation Sloshing Containers Resonance Engineering simulation Excitation Waves Density Transients (dynamics) Viscous flow
Content Type	Text
Resource Type	Article

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