. "Accuracy of Wave Pattern Analysis Methods in Towing Tanks." Twenty-First Symposium on Naval Hydrodynamics. Washington, DC: The National Academies Press, 1997.
The following HTML text is provided to enhance online
readability. Many aspects of typography translate only awkwardly to HTML.
Please use the page image
as the authoritative form to ensure accuracy.
Twenty-First Symposium on NAVAL HYDRODYNAMICS
NOMENCLATURE
LCM
Longitudinal Cut Method.
DDM
Discrete Decomposition Method.
SDIM
Singularity Distribution Identification Method.
Symbol
Unit
Definition
b
(m)
Breadth of the tank.
e
(-)
Local error.
E
(-)
Global error.
(-)
Froude number.
F(u)+i G(u)
(-)
Components of Free-Wave spectrum.
h
(-)
Model depth.
l=Ko.L/2
(-)
Model half-length.
(l/m)
Speed-length number.
L
(m)
Model length.
Nr
(-)
Number of reflections.
Rw
(N)
Wave resistance.
(-)
Wave resistance.
u=ω tan θ
(-)
Transverse wave number.
U
(m/s)
Model velocity.
x=X.Ko
(-)
Coordinate along Ox.
X
(m)
Coordinate along Ox.
xe
(-)
Length of signal.
y=Y.Ko
(-)
Coordinate along Ox.
Y
(m)
Coordinate along Oy.
yc
(-)
Distance from model axis.
M(x')
(m/s)
Source density.
θ
(°)
Wave direction.
η
(m)
Wave elevation.
ζ
(-)
Wave elevation.
ζnf
(-)
Near field wave elevation.
ζff
(-)
Far field wave elevation.
REFERENCES
1 Eggers K.W.H., Sharma S.D. and Ward L.W., “An assessment of some Experimental Methods for Determining the Wavemaking Characteristics of a Ship Form”, Transactions SNAME, Vol 75.
2 Yokoo K. and Tanaka H., “Application of Wave Analysis to Tank Experiments”, Proceedings of the International Seminar on Wave Resistance. Tokyo, February 1976.
3 Newman J.N., “The Determination of Wave Resistance from Wave Measurements along a Parallel Cut”, Proceedings of the International. Seminar on Theoretical Wave Resistance, Univ. of Michigan, 1963.
4 Eggers K.W.H., “Wave Analysis, State of the Art”, Universitat Hambourg, Germany.
5 Tsai C.E. and Landweber L., “Further Development of Procedure for Determination of Wave Resistance from Longitudinal-Cut Surface Profile Measurements”, Journal of Ship Research., vol 19, no 2, June 1975.
6 Hogben N. “Automated recording and analysis of wave patterns behind towed models ”, Transactions of RINA, vol. no 114, 1972.
7 Baba, E. “Study on Separation of Ship Resistance Components”, MITSUBISHI Technical Bulletin No 59, August 1969.
8 Okhusu, “Wave Analysis of Simple Hull Form”, Journal of society Naval Architects of Japan, Vol. 126, 1969.
9 Bessho, “Wave Free Distribution and their Applications”, Proceedings of the International. Seminar on Theorical Wave Resistance. Univ. of Michigan, 1963.
10 Bessho, “A Contribution of Wave Analysis of Ship Waves”, Scientific and Engineering Reports of the Defence Academy, Vol. 7, nº 1, 1969.
11 Ikehata and Nozawa, “Determination of Wave Making Resistance of a Ship by the Method of Wave Analysis”, 1st and 2nd Reports, Journal of theSociety Naval Architects of Japan, Vol. 121, 1967 and Vol. 124, 1968.
12 Dumez F.X. and Cordier S., “Scale Effects on the Resistance Components of a High-Speed Semi-Displacement Craft”, FAST 93, Yokohama, December 1993.
13 Dumez F.X. “Décomposition de la Résistance à l'Avancement des Navires”, Proceedings of the Quatrième Journées de l'Hydrodynamique, 1993, Nantes.
14 Cordier S. and Dumez F.X., “Resistance Components of Displacement and Semi-Displacement Hull Forms” Proceedings of the 20th ITTC, Vol. II pp 75,77, 1993, San Francisco.
15 Tanaka H. and Nakatake K., “Cooperative Resistance Tests with Geosim Models of a High-Speed Semi-Displacement Craft” Journal of the society of Naval Architects of Japan, Vol. 169.
16 Hally D. “Implementation of a Free Surface in Calculations of the Flow into the Propeller Plane of a Ship”, Proceedings of CADMO92, Madrid, 1992.
