On the problem of time-harmonic water waves in the presence of a freely floating structure

Author:
N. Kuznetsov

Original publication:
Algebra i Analiz, tom **22** (2010), nomer 6.

Journal:
St. Petersburg Math. J. **22** (2011), 985-995

MSC (2010):
Primary 76B15, 76B03; Secondary 35Q35, 35P05

DOI:
https://doi.org/10.1090/S1061-0022-2011-01179-3

Published electronically:
August 19, 2011

MathSciNet review:
2760090

Full-text PDF Free Access

Abstract | References | Similar Articles | Additional Information

Abstract: The two-dimensional problem of time-harmonic water waves in the presence of a freely floating structure (it consists of a finite number of infinitely long surface-piercing cylinders connected above the water surface) is considered. The coupled spectral boundary value problem modeling the small-amplitude motion of this mechanical system involves the spectral parameter, the frequency of oscillations, which appears in the boundary conditions as well as in the equations governing the structure's motion. It is proved that any value of the frequency turns out to be an eigenvalue of the problem for a particular structure obtained with the help of the so-called inverse procedure.

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Additional Information

**N. Kuznetsov**

Affiliation:
Institute of Mechanical Engineering Problems, Russian Academy of Sciences, Bol′shoĭ Pr. 61, St. Petersburg 199178, Russia

Email:
nikolay.g.kuznetsov@gmail.com

DOI:
https://doi.org/10.1090/S1061-0022-2011-01179-3

Keywords:
Coupled spectral problem,
time-harmonic water waves,
freely floating structure,
trapped mode

Received by editor(s):
April 5, 2010

Published electronically:
August 19, 2011

Additional Notes:
The author is indebted to Dr. O. Motygin for stimulating discussions and to Professor S. Nazarov for his comments on the first version of the paper

Dedicated:
To V. M. Babich on the occasion of his 80th birthday

Article copyright:
© Copyright 2011
American Mathematical Society