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The effect of beach reflection on undertow | ||
| Iranian Journal of Science and Technology Transactions of Civil Engineering | ||
| شناسنامه علمی شماره، دوره 33، شماره 1، فروردین 2009، صفحه 49-60 اصل مقاله (1.4 M) | ||
| شناسه دیجیتال (DOI): 10.22099/ijstc.2009.700 | ||
| چکیده | ||
| Based on experiments, a model is introduced to calculate the vertical and horizontal distribution of undertow in the surf zone due to monochromatic and random wave attack for reflective beaches. The present model is a modification of the original model presented by Okayasu et al., [2] for natural, non-refiective beaches in which the wave set up, radiation stress and mass flux due to breaking waves are modified as described by Mehrdad and Neshaei [6] to include the effect of partially reflected waves. The results of experimental investigation and model development show that the existence of reflective conditions on beaches results in a reduction in the magnitude of undertow and modifies its distribution across the beach profile. | ||
| کلیدواژهها | ||
| Beach reflection؛ mass flow؛ Sediment؛ surf zone؛ undertow | ||
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