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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Lee, Changhoon Jung, Jae-Sang Merrick, C. Haller |
| Copyright Year | 2009 |
| Abstract | In this study, a more general directional spreading function is developed that allows for asymmetric directional distributions. For multi-directional random waves that approach the shore obliquely over a planar slope, we demonstrate that directional asymmetry is generated due to wave refraction. The asymmetry created by refraction increases with the offshore peak wave direction. The present spreading function is compared to a pre-existing symmetric spreading function and is shown to better capture changes in the directional distribution that occur in a refracting, random wave field. Finally, the new asymmetric spreading function is compared to a long time series of wave directional spectra measured at a nearshore field site. The results demonstrate that refraction-induced asymmetry is common in the nearshore and the asymmetric spreading function gives an improved analytic representation of the overall directional distribution as compared to the symmetric function. |
| Sponsorship | Ocean, Offshore and Arctic Engineering Division |
| Starting Page | 415 |
| Ending Page | 423 |
| Page Count | 9 |
| File Format | |
| ISBN | 9780791843444 |
| DOI | 10.1115/OMAE2009-79632 |
| e-ISBN | 9780791838440 |
| Volume Number | Volume 4: Ocean Engineering; Ocean Renewable Energy; Ocean Space Utilization, Parts A and B |
| Conference Proceedings | ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering |
| Language | English |
| Publisher Date | 2009-05-31 |
| Publisher Place | Honolulu, Hawaii, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Ocean engineering Spectra (spectroscopy) Waves Refraction Ocean waves Time series |
| Content Type | Text |
| Resource Type | Article |
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