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A note on head-sea diffraction by a slender body

Published online by Cambridge University Press:  20 April 2006

J. A. P. Aranha  and
M. Sugaya
J. A. P. Aranha
Affiliation:
Department of Civil Engineering, IPT, São Paulo, Brazil
M. Sugaya
Affiliation:
Department of Civil Engineering, IPT, São Paulo, Brazil
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Abstract

In studying head-sea diffraction by a slender body, Haren & Mei (1981) found, at a special frequency, a singularity inherent in the cross-section (inner) mathematical problem. In this note this singularity is interpreted, and it is shown that the head-sea problem is similar to the problem of an acoustic duct being excited at one end by a pressure field. As a consequence, the head sea is not always refracted away from the body, since the solution remains oscillatory for frequencies above that special frequency.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 155 , June 1985 , pp. 131 - 139
Copyright
© 1985 Cambridge University Press

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References

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