NDLI: Evaluation of added resistance in regular incident waves by computational fluid dynamics motion simulation using an overlapping grid system

Content Provider	Springer Nature Link
Author	Orihara, Hideo Miyata, Hideaki
Copyright Year	2003
Abstract	A computational fluid dynamics simulation method called WISDAM-X was developed to evaluate the added resistance of ships in waves. The Reynolds-averaged Navier–Stokes (RANS) equation was solved by the finite-volume method and a MAC-type solution algorithm. An overlapping grid system was employed to implement rigorous wave generation, the interactions of ships with incident waves, and the resultant ship motions. The motion of the ship is simultaneously solved by combining the solution of the motion of the ship with the solution of the flow about the ship. The free surface is captured by treatment by the density-function method. The accuracy of WISDAM-X is examined by a comparison with experimental data from a container carrier hull form, and shows a fairly good agreement with respect to ship motion and added resistance. Simulations were also conducted for a bow-form series of a medium-speed tanker to examine the effectiveness of the WISDAM-X method as a design tool for a hull form with a smaller resistance in waves. It was confirmed that the WISDAM-X method can evaluate the added resistance with sufficient relative accuracy and can be used as a design tool for ships.
Starting Page	47
Ending Page	60
Page Count	14
File Format	PDF
ISSN	09484280
Journal	Journal of Marine Science and Technology
Volume Number	8
Issue Number	2
e-ISSN	14378213
Language	English
Publisher	Springer-Verlag
Publisher Date	2003-10-31
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Computational fluid dynamics Added resistance in waves Ship motion in waves Overlapping grid
Content Type	Text
Resource Type	Article
Subject	Oceanography Ocean Engineering Mechanics of Materials Mechanical Engineering

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