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http://dx.doi.org/10.7837/kosomes.2016.22.5.564

Numerical Analysis of Added Resistance and Vertical Ship Motions in Waves for KVLCC2  

Kim, Mingyu (Department of Naval Architecture, Ocean and Marine Engineering, University of Strathclyde)
Park, Dong-Woo (Department of Naval Architecture & Ocean Engineering, Tongmyong University)
Publication Information
Journal of the Korean Society of Marine Environment & Safety / v.22, no.5, 2016 , pp. 564-575 More about this Journal
Abstract
The present study provides numerical simulations to predict the added resistance and ship motion of the KVLCC2 in regular waves using the unsteady Reynolds-Averaged Navier-Stokes (URANS) and 3-D potential methods. This numerical analysis is focused on added resistance and vertical ship motions (heave and pitch) under a wide range of wave conditions at three ship speeds (design, operating and zero speeds). Firstly, the characteristics of the CFD and 3-D potential flow methods are presented to predict added resistance and ship motions in regular waves taking into account various wave conditions at design speed to provide a validation study as well as at operating and zero speeds. Secondly, analyses of added resistance and ship motion with unsteady wave patterns and time history results as simulated by CFD were performed at each ship speed. Systematic validation and verifications of the numerical computations in this study were made against available Experimental Fluid Dynamics (EFD) data including grid convergence tests to demonstrate that reliable numerical results were obtained for the prediction of added resistance and ship motion in waves. Relationships between added resistance, vertical motion and changes in ship speeds were also found.
Keywords
Added resistance; Ship motions; URANS; CFD; KVLCC2;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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