Research Article
May 1981
Design Curves for Hinged Wavemakers: Theory
Authors: Robert T. Hudspeth, M.ASCE, and Min-Chu ChenAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 107, Issue 5
Abstract
Dimensionless theoretical design curves for hinged wavemakers of variable draft are extended, within the limits of linearized potential wave theory, to wave flume geometries consisting of two constant depth domains separated by a gradually sloping transition region. These design curves are examined for the following: hydrodynamic pressure moment, moment arm, relative moment phase angle, and the ratio of the wavemaker stroke to the propagating wave height. The dimensionless design curves are shown to demonstrate the effects of wave flume and wavemaker geometry on the minimum inertial wave pressure moment on the wavemaker flap better than tabular lookup methods. The effects of nondimensional wavemaker parameters on the dimensionless wavemaker power curves are explored, and they are compared to the energy flux in a propagating periodic wave. Convergence of the eigenfunction expansion for the wavemaker velocity for hinged wavemakers of variable depth is examined numerically.
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Published In
Journal of the Hydraulics Division
Volume 107 • Issue 5 • May 1981
Pages: 533 - 552
Copyright
© 1981 American Society of Civil Engineers.
History
Published in print: May 1981
Published online: Feb 3, 2021
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Authors
Affiliations
Robert T. Hudspeth, M.ASCE
Assoc. Prof., Dept. of Civ. Engrg. and Ocean Engrg. Programs, Oregon State Univ. of Corvallis, Oreg. 97331
Min-Chu Chen
Sr. Research Engr., Offshore System Div., Exxon Production Research Co., Houston, Tex. 77001; formerly, Grad Research Asst., Dept. of Civ. Engrg, Oregon State Univ., Corvallis, Oreg. 97331
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