Improved formula for estimating added resistance of ships in engineering applications

The authors previously introduced a semi-empirical formula that enabled fast estimation of the added resistance of ships in head waves, and in this study the formula is further refined for easy use in engineering applications. It includes an alternative ship draft correction coefficient, which better accounts for the wave pressure decay with ship’s draft. In addition, it only uses the speed and main characteristics of the ship and wave environment as input, and has been simplified to the extent that it can be readily processed using a pocket calculator. Extensive validations are conducted for different ship types at low to moderate speeds in various typical irregular sea conditions, and encouraging results are obtained. This relevant and topical research lies within the framework of the recent IMO MEPC.232(65) (2013) EEDI guidelines for estimating the minimum powering of ships in adverse weather conditions, which specify for the use of simple methods in current Level 2 assessment within engineering applications.

[1]  Sverre Steen,et al.  Added Resistance of a VLCC in Short Waves , 2010 .

[2]  Apostolos Papanikolaou,et al.  Fast approach to the estimation of the added resistance of ships in head waves , 2016 .

[3]  Vladimir Shigunov,et al.  Duisburg Test Case: Post-Panamax Container Ship for Benchmarking , 2012 .

[4]  M F van Sluys,et al.  Behaviour and performance of compact frigates in head seas , 1972 .

[5]  Young-Joong Kwon,et al.  The effect of weather, particularly short sea waves, on ship speed performance , 1981 .

[6]  Jinkine,et al.  A METHOD FOR PREDICTING THE ADDED RESISTANCE OF FAST CARGO SHIPS IN HEAD WAVES , 1974 .

[7]  Masashi Kashiwagi,et al.  ADDED RESISTANCE, WAVE-INDUCED STEADY SWAY FORCE AND YAW MOMENT ON AN ADVANCING SHIP , 1992 .

[8]  Ould el Moctar,et al.  Numerical Prediction of the Added Resistance of Ships in Waves , 2014 .

[9]  W Beukelman,et al.  Analysis of the resistance increase in waves of a fast cargo ship , 1972 .

[10]  Yasuyuki Toda,et al.  CFD verification and validation of added resistance and motions of KVLCC2 with fixed and free surge in short and long head waves , 2013 .

[11]  Hajime Maruo,et al.  The Drift of a Body Floating on Waves , 1960 .

[12]  O. M. Faltinsen,et al.  Prediction of Resistance and Propulsion of a Ship in a Seaway , 1980 .

[13]  J. N. Newman.  The Drift Force and Moment on Ships in Waves , 1967 .

[14]  George Zaraphonitis,et al.  Practical Approach to the Added Resistance of a Ship in Short Waves , 2015 .

[15]  Christos A. Kontovas,et al.  Speed models for energy-efficient maritime transportation: A taxonomy and survey , 2013 .

[16]  Apostolos Papanikolaou,et al.  Prediction of added resistance of ships in waves , 2011 .

[17]  Vladimir Shigunov,et al.  A RANKINE PANEL METHOD FOR ADDED RESISTANCE OF SHIPS IN WAVES , 2014 .

[18]  A Papanikolaou,et al.  IMPROVED METHOD FOR THE EVALUATION OF SECOND-ORDER MOTIONS AND LOADS OF 3D FLOATING BODIES IN WAVES , 1987 .

[19]  W. R. Dean,et al.  The effect of a fixed vertical barrier on surface waves in deep water , 1947, Mathematical Proceedings of the Cambridge Philosophical Society.

[20]  Jorgen Ström-Tejsen.  Wadded resistance in waves , 1973 .

[21]  Kyong-Hwan Kim,et al.  Numerical study on added resistance of ships by using a time-domain Rankine panel method , 2011 .

[22]  Masaru Tsujimoto,et al.  Investigation on Components of Added Resistance in Short Waves , 2008 .

[23]  Hideaki Miyata,et al.  Evaluation of added resistance in regular incident waves by computational fluid dynamics motion simulation using an overlapping grid system , 2003 .

[24]  J. A. Pinkster,et al.  Mean and low frequency wave drifting forces on floating structures , 1979 .

[25]  J. Gerritsma.  Shipmotions in longitudinal waves1 , 1960 .

[26]  Petri Valanto,et al.  Experimental Investigation on Ship Wave Added Resistance in Regular Head, Oblique, Beam, and Following Waves , 2015 .