NDLI: Hydrodynamics of a body floating in a two-layer fluid of finite depth. Part 1. Radiation problem

Content Provider	Springer Nature Link
Author	Ten, Igor Kashiwagi, Masashi
Copyright Year	2004
Abstract	A linearized 2-D radiation problem was considered for a general floating body in a two-layer fluid of finite depth. A boundary integral-equation method was developed for directly computing the velocity potential on the wetted surface of a body which is immersed in both the upper and lower layers as a general case. To do this, appropriate time-harmonic Green’s functions were derived, and an efficient numerical method of evaluating those functions is proposed. Based on Green’s theorem, hydrodynamic relations such as the energy-conservation principle were derived theoretically for a case of finite depth, and we confirm that those relations are satisfied numerically with very good accuracy. Experiments were also carried out using water and isoparaffin oil as the two fluids and a Lewis-form body. Measured results for the added mass, the damping coefficient, and the amplitude of the generated waves are compared with the computed results, and a favorable agreement is found.
Starting Page	127
Ending Page	141
Page Count	15
File Format	PDF
ISSN	09484280
Journal	Journal of Marine Science and Technology
Volume Number	9
Issue Number	3
e-ISSN	14378213
Language	English
Publisher	Springer-Verlag
Publisher Date	2004-11-04
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Two-layer fluid Interface Surface-wave mode Internal-wave mode Radiation problem Finite water depth Engineering Fluid Dynamics Mechanical Engineering Engineering Design Automotive and Aerospace Engineering Offshore Engineering
Content Type	Text
Resource Type	Article
Subject	Oceanography Ocean Engineering Mechanics of Materials Mechanical Engineering

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