A study of some simple-shape bodies wave generation during motion in the unrestricted flow
EDN: GIZBFY
Abstract
The article considers the features of wave formation during movement at speeds from 7 m/s to 11.7 m/s of bodies of various shapes: a sphere, an ellipsoid, a modified Wigley hull and a longitudinal cylinder with fairings with L/B = 1, 2, 4, 6, 8, 16 and a range of draft from 0,465 m to 0,865 m. The results of numerical modeling using the NUMECA/FineMarineTM software package are presented. The dependences of the coefficients of total resistance and heights of generated waves on the Froude numbers are presented. The influence of the main dimensions and shape of bodies on the coefficient of total resistance and generated wave heights is shown, as well as the nonlinearity of the wave formation process when changing the dimensions of bodies and drafts. The results obtained will be used for research in the field of reducing the wave resistance of a heavy-duty catamaran due to the interference of wave systems created by its hulls and an additional body installed in the interhull space, forming a general hydrodynamic complex with the vessel.
About the Authors
E. Yu. Cheban
Volga State University of Water Transport
Russian Federation
Russian Federation
DSc
603950, Nizhny Novgorod, ul. Nesterova, 5
A. I. Kozhevnikov
Volga State University of Water Transport
Russian Federation
Russian Federation
PhD student
603950, Nizhny Novgorod, ul. Nesterova, 5
D. V. Nikushchenko
Petersburg State Marine Technical University
Russian Federation
Russian Federation
DSc, St.
190121, St. Petersburg, Lotsmanskaya ul., 3
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Review
For citations:
Cheban E.Yu., Kozhevnikov A.I., Nikushchenko D.V. A study of some simple-shape bodies wave generation during motion in the unrestricted flow. Research Bulletin by Russian Maritime Register of Shipping. 2025;(79):39-51. (In Russ.) EDN: GIZBFY
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