... stepped heights on structures are also compared with conventional breakwaters such as smooth and vertical submerged breakwaters. Various cases of wave interaction with structures are simulated in open-source software for Computational Fluid Dynamics (CFD), OpenFOAM®. Resulted wave energy dissipations...

...-slope assumption. The model is applied to wave evolution over a submerged trapezoid breakwater with a 1:20 afore slope and 1:10 back slope, good agreement is found (Liu et al., 2019). The applicability of this model in simulating regular wave evolution over a submerged breakwater with slope higher than...

... ABSTRACT The present work investigates the evolution process of beach nourished profile with a permeable submerged breakwater based on a physical experiment. A series of test cases with different configurations of the submerged breakwater in installation position, width and submerged depth...

... ABSTRACT The effects of stepped slope on submerged breakwater are investigated for the efficiency of wave energy dissipation. This paper focuses on stepped submerged breakwater with different step sizes and crest widths, which are carried out on numerical simulation (OpenFOAM®). Regular waves...

... to simulate the regular wave transmission over a submerged breakwater and threedimensional model was used to simulate the directional regular wave transmission across a vertical breakwater. The numerical results were compared with the previous studies and good agreements were obtained. It shows that our...

... Abstract This study aimed to develop a numerical model for waves and waveinduced currents with turbulence effects due to wave breaking around submerged breakwaters. In the wave model, the wave breaking deformation on the submerged breakwaters, wave regeneration after breaking, and the second...

... ABSTRACT The main challenge in building submerged breakwaters consists in guaranteeing the effectiveness of the breakwater, in terms of coast protection, achieving the maximum submergence. In this work, we carried out a numerical experiment on a submerged breakwater that incorporates...

... for different types of revetments can be found in EurOtop (2018). current affection embankment wave reflection reflection coefficient variation coefficient interaction submerged breakwater smooth surface forward current irregular wave attenuation hi gt 2 0 reflection external current...

.... Furthermore, the SWAN model is used to simulate the wave fields from deep water to the shallow water with different wave levels and different wave direction. The wave elements of different return periods are obtained inside and outside the submerged breakwater. The wave height before and after the breakwater...

... and experiment data were obtained. Based on this model, the pressure drag on front submerged breakwater and the wave transformation were studied. The numerical results showed that the negative peak value of front obstacle is larger than that of single submerged breakwater and the optimal distance, judged...

... ABSTRACT This paper concerns the behaviour of regular waves interacting with a smooth submerged breakwater. A series of experiments was carried out and was used to compare with the numerical results based upon a RNG k-ε turbulence model and Volume of Fluid (VOF), and they agreed well...

... interaction freakwave investigation numerical model frequency breakwater numerical result flume numerical investigation numerical simulation variation reservoir simulation energy structure variation experiment freak wave wave group submerged breakwater Experimental and Numerical...

... ABSTRACT This study investigated numerically the wave breaking effect on Bragg reflection by series submerged breakwaters. The numerical simulation was based on Reynolds-averaged Navier-Stokes equations coupled with the renormalization group turbulent model. Both non-breaking and breaking...

... on the coupling of modified FVCOM model, WRF model and SWAN model was established to help estimate the channel siltation due to typhoon in Guangli harbor, which is protected by the double long submerged breakwaters. It is shown from simulated results that the model is able to reflect the changes of tides...

... Abstract In this study, a numerical model is developed to investigate the hydrodynamic performance of a kind of submerged breakwater with an air chamber. This breakwater utilizes the air compressibility to interfere the motion of water particles, so as to improve the wave damping performance...

... long submerged breakwaters. It is shown from simulated results that the model is able to reflect the changes of tides and currents around the harbor reasonable. The maximum wind set up in the Laizhou bay located by Weifang harbor from the prediction results is analyzed. water level breakwater...

... Abstract In this study, we report the numerical simulations of wave height, water level and flow variations between dual permeable submerged breakwaters and the slope seawall. The RANS equations associated with RNG turbulent model was applied for the numerical simulations with CFD. The volume...

... generation magnitude. water depth intermediate horizontal submerged breakwater submerged step primary wave artificial intelligence harmonic generation harmonic generation magnitude machine learning incident step height harmonic wave poisson equation equation low step boundary harmonic...

... obstacle topography reflection efficiency variation submerged breakwater breakwater engineering transmittance arrangement transmission coefficient Wave Attenuation Properties of Composite Undulating Submerged Breakwaters Ruey-Syan Shih1, Wen-Kai Weng2, Chung-Ren Chou2 1. Department...

... are given. The behaviors of regular wave propagating in the flume and running up the submerged breakwater are simulated numerically. The results show that the free surface elevations at various gauging points are in good agreement with analytical solutions and experimental data from literature. wave...