... 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...

... 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...

...-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 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...

... 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 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...

... 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...

... 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...

... engineering wave transmission crest wave transmission characteristic submerged breakwater frequency energy coefficient interaction scenario wave height investigation wave flume mathematical model breakwater numerical investigation reservoir characterization experiment equation...

...Experimental and Numerical Investigation on the Interaction between Freak Waves and a Submerged Breakwater Mengyu Li, Xizeng Zhao , Zhouteng Ye, Zijun Hu Ocean College, Zhejiang University Zhoushan, Zhejiang, People s Republic of China ABSTRACT Researches about the interaction between freak waves...

... 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...

...Numerical Simulations of Wave and Flow Variations between Submerged Breakwaters and Slope Seawall Chun-Han Ko, Ching-Piao Tsai, Ying-Chi Chen, Tri-Octaviani Sihombing Department of Civil Engineering, National Chung Hsing University Taichung, Taiwan ABSTRACT In this study, we report the numerical...

... with submerged breakwaters. Coastal Engineering 55, 945-958. Dattatri, J., Raman, H., Shankar, J.N., 1978. Performance characteristics of submerged breakwaters. Proc. 16rd Int. Conf. on Coastal Eng. ASCE, pp.2153-2171. Goda, Y., Susuki, Y., 1976. Estimation of incident and reflected wave in random wave...

... 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...

... be instable in the prototype. The characteristics of stabilized multi-array impermeable sinusoidal submerged breakwater are investigated experimentally in this article, and the interactions between wave and the obstacle are discussed. This study discusses merely on the properties of the reflection coefficient...