Research Article
Aug 1969
Ocean Wave Forces on a Subsurface Sphere
Publication: Journal of the Waterways and Harbors Division
Volume 95, Issue 3
Abstract
There is an absence of field data for the surface wave-induced forces on a submarine, spherical structure. An ocean test site was established in 25 ft of water to measure the time histories of force exerted on an 8 in. sphere and the wave pressure interpretation of the surface elevation above the sphere. The data were recorded on shore and from the charts obtained drag coefficients were derived for 72 separate waves. Since the drag forces outweighed the estimated inertia forces for the waves processed, inertia coefficients could not be estimated from the records. It was found that the maximum total force range for the processed waves could be predicted with a correlation coefficient of 0.94 by using third-order theory to determine the water particle kinematics and by employing a single value of 0.69 for the drag coefficient, as estimated from the data, and a supposed value of 1.15 for the inertia coefficient.
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Information
Published In
Journal of the Waterways and Harbors Division
Volume 95 • Issue 3 • August 1969
Pages: 291 - 317
Copyright
© 1969 American Society of Civil Engineers.
History
Published in print: Aug 1969
Published online: Feb 12, 2021
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Authors
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Robert A. Grace, AM.ASCE
Engr., Société de Forages en Mer ‘Neptune’, Paris, France; on leave as Asst. Prof., Dept. of Civ. Engrg., Univ. of Hawaii, Honolulu, Hawaii
Frederick M. Casciano
Research Assoc., Look Laboratory of Oceanographical Engrg., Univ. of Hawaii, Honolulu, Hawaii
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.