Wave parameters after smooth submerged breakwater (CROSBI ID 194892)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Carević, Dalibor ; Lončar, Goran ; Pršić, Marko
engleski
Wave parameters after smooth submerged breakwater
Based on the experimental studies of smooth submerged breakwater in the wave channel, it has been studied how the breakwater impacts on the changes of representative wave periods when the waves cross the breakwater. It has been shown that the reduction of the wave periods has a strong relationship with the wave steepness and relative submersion Rc/Hm0 − i. Also, the impact of waves crossing the smooth submerged breakwater onto the Rayleigh's distribution of wave heights was investigated. The influence of short and long waves generated after submerged smooth structure on temporal analysis has been investigated. The Lanczos filter was used for high and low frequency wave removal. It was concluded that long and short waves do not significantly influence the temporal analysis of periods. The Van der Meer et al. (2000) model for the description of the transmitted spectrum has been improved so it gives better agreement with measurements. It was assumed that transfer of the energy from lower to higher frequencies vanishes linearly with a decrease in the relative submergence − Rc/Hm0. The energy transferred to higher frequencies is assumed as uniformly distributed between 1.5fp and 3.2fp.
Smooth submerged breakwater ; Wave period transformation ; Zero crossing wave parameters ; Spectral wave parameters ; Smooth emerged breakwater
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