Coupling between ship motion and sloshing using potential flow analysis and rapid sloshing model
Lee, Y., Godderidge, B., Tan, M., Temarel, P., Turnock, S.R. and Cowlan, N. (2009) Coupling between ship motion and sloshing using potential flow analysis and rapid sloshing model. In, Nineteenth (2009) International Offshore and Polar Engineering Conference (ISOPE-2009 Osaka), Osaka, Japan, 21 - 26 Jun 2009. USA, International Society of Offshore and Polar Engineers9pp.
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The coupled motion of a rigid barge with a partially filled tank is
studied with a pulsating Green’s function approach, Rankine source method and a Rapid Sloshing Model (RSM). The aim of this paper is the comparison of the suitability of potential flow based methods and RSM, based on RANS, in simulating the fundamental physical aspects of liquid sloshing and their application to the coupling between sloshing and ship motion. The hydrodynamic forces and moments associated with the liquid sloshing are represented by relevant added mass coefficients. Subsequently, the coupled equations of motion of ship-partially filled tank in regular beam waves are solved.
Comparison of hydrodynamic characteristics of liquid sloshing (e.g.added mass) and ship motions obtained using the aforementioned methods indicate good overall agreement with other available numerical predictions and experimental measurements. All the methods used here capture well the physical aspects of the effects of sloshing liquid on ship motions.
|Item Type:||Conference or Workshop Item (Paper)|
|Keywords:||sloshing, sloshing-seakeeping coupling, cfd, rapid sloshing model|
|Subjects:||T Technology > TC Hydraulic engineering. Ocean engineering
V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering
|Divisions:||University Structure - Pre August 2011 > School of Engineering Sciences > Fluid-Structure Interactions
|Date Deposited:||10 Jul 2009|
|Last Modified:||27 Mar 2014 18:47|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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