A new Rankine panel method and an extended Reynolds-Averaged Navier–Stokes (RANS) solver were employed to predict added resistance in head waves at different Froude numbers of a Wigley hull, a large tanker, and a modern containership. The frequency domain panel method, using Rankine sources as basic flow potentials, accounts for the interaction of the linear periodic wave-induced flow with the nonlinear steady flow caused by the ship's forward speed in calm water, including nonlinear free surface conditions and dynamic squat. Added resistance in waves is obtained by the pressure integration method. The time domain RANS solver, based on a finite volume method, is extended to solve the nonlinear equations of the rigid body six-degrees-of-freedom ship motions. The favorable comparison of the panel and RANS predictions demonstrated that the Rankine method is suitable to efficiently obtain reliable predictions of added resistance of ships in waves. Comparable model test predictions correlated less favorably, although the overall agreement was felt to be acceptable, considering the difficulties associated with the procedures to obtain accurate measurements.
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August 2014
Research-Article
A Rankine Panel Method for Added Resistance of Ships in Waves
Heinrich Söding,
Heinrich Söding
Institute of Fluid Dynamics and Ship Theory,
e-mail: h.soeding@tuhh.de
Hamburg University of Technology
,Schwarzenbergstrasse 95C
,21073 Hamburg
, Germany
e-mail: h.soeding@tuhh.de
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Vladimir Shigunov,
Vladimir Shigunov
1
1Corresponding author.
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Thomas E. Schellin,
Thomas E. Schellin
DNV GL
,Brooktorkai 18
,20457 Hamburg
, Germany
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Ould el Moctar
Ould el Moctar
DNV GL
,Brooktorkai 18
,20457 Hamburg
, Germany
Search for other works by this author on:
Heinrich Söding
Institute of Fluid Dynamics and Ship Theory,
e-mail: h.soeding@tuhh.de
Hamburg University of Technology
,Schwarzenbergstrasse 95C
,21073 Hamburg
, Germany
e-mail: h.soeding@tuhh.de
Vladimir Shigunov
Thomas E. Schellin
DNV GL
,Brooktorkai 18
,20457 Hamburg
, Germany
Ould el Moctar
DNV GL
,Brooktorkai 18
,20457 Hamburg
, Germany
1Corresponding author.
Contributed by the Ocean, Offshore, and Arctic Engineering Division of ASME for publication in the JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING. Manuscript received September 4, 2012; final manuscript received February 7, 2014; published online April 1, 2014. Assoc. Editor: Dominique Roddier.
J. Offshore Mech. Arct. Eng. Aug 2014, 136(3): 031601 (7 pages)
Published Online: April 1, 2014
Article history
Received:
September 4, 2012
Revision Received:
February 7, 2014
Citation
Söding, H., Shigunov, V., Schellin, T. E., and Moctar, O. E. (April 1, 2014). "A Rankine Panel Method for Added Resistance of Ships in Waves." ASME. J. Offshore Mech. Arct. Eng. August 2014; 136(3): 031601. https://doi.org/10.1115/1.4026847
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