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Article type: Research Article
Authors: Ettouney, M. | Daddazio, R. | DiMaggio, F.
Affiliations: Weidlinger Associates, Inc., Applied Science Division, 333 Seventh Avenue, New York, NY 10001 | Columbia University, Department of Civil Engineering and Engineering Mechanics, New York, NY 10027
Abstract: Using the wet modes of a submerged structure as expansion functions, it is shown how the scattered far-field pressures induced by an incident harmonic wave may be modified in a prescribed manner. This is done by applying forces directly to the structural surface, which superposes a radiated pressure field on the scattered one. By appropriate choice of the applied nodal forces, modal participation factors associated with any combination of mode shapes may be controlled. The method is illustrated by a numerical example.
DOI: 10.3233/SAV-1993-1107
Journal: Shock and Vibration, vol. 1, no. 1, pp. 55-58, 1993
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