• effect of different wave theories on run-up prediction

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 799
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     swash zone is the oscillating interface between seawater and land. wave runup on the beach results in swash oscillations that are believed to cause significant sediment transport. on the other hand, predicting wave runup on an open coast is important in estimating the area affected by storm waves.run-up, r, is defined as a local maximum or peak in the instantaneous water elevation, η, at the shoreline. (figure 1) the upper limit of run-up is an important parameter for determining the active portion of the beach profile. at present, theoretical approaches for calculating run-up on beaches are not viable for coastal design. difficulties inherent in run-up prediction include nonlinear wave transformation, wave reflection, three-dimensional effects (bathymetry, infragravity waves), porosity, roughness, permeability, and groundwater elevation.in the present paper, wave run-up has been predicted based on one-dimensional boussinesq equations for different incoming regular wave models and the results are compared to each other and to the proposed emperical relations to determine which kind of wave models lead to closer results to the experimental studies.

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