Research Article
Feb 1975
Statistical Properties of Wave Force
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VIEW THE REPLYPublication: Journal of the Engineering Mechanics Division
Volume 101, Issue 1
Abstract
Expressions of the mean and standard deviation of wave force on vertical cylinder in a random field are derived. Wave force is evaluated according to Morison's formula and the sea surface is assumed to be Gaussian. The effects of free surface fluctuation, which have previously been overlooked, are included. The mean and standard deviation are computed and results are presented graphically. It is shown that the mean of wave force is nonzero, contrary to past results. Also, the standard deviation of wave force deviates drastically from that when the free surface fluctuation phenomenon is ignored especially in the vicinity of the mean water level. Since most of the water movements are around and above the mean water level where the foregoing observed discrepancy is most pronounced, it is concluded that the effects of the free surface fluctuation phenomenon on wave force has important implications on the design considerations of marine structures that protrude above the mean water level.
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Published In
Journal of the Engineering Mechanics Division
Volume 101 • Issue 1 • February 1975
Pages: 1 - 11
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Feb 1975
Published online: Feb 3, 2021
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Authors
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Chi C. Tung, AM.ASCE
Assoc. Prof. of Civ. Engrg., North Carolina State Univ., Raleigh, N.C.
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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.