Abstract
The evaluation of wave-induced seabed stability around a submerged breakwater is particularly important for coastal engineers involved in design of the foundation of breakwaters. Unlike previous studies, a mesh-free model is developed to investigate the dynamic soil response around a submerged breakwater in this study. Both regular and irregular wave loadings are considered. The present model was validated against the previous experimental data and theoretical models for both regular and irregular waves. Parametric study shows the regular wave-induced liquefaction depth increases as wave period and wave height increase. The seabed is more likely to be liquefied with a low degree of saturation and soil permeability. A similar trend of the effects of wave and seabed characteristics on the irregular wave-induced soil response is found in the numerical examples.
Highlights
Climate change is a a global issue that has significant impacts on coastal zones
Numerouos recent reports for the impact of climate changes on different scientific issues and engineering problems have been available in the literature [1,2,3,4,5,6]
It is still essential to investigate the mechanism of wave-seabed-structure interactions (WSSI) around a breakwater under irregular wave loading
Summary
Climate change is a a global issue that has significant impacts on coastal zones. This scientific issue does challenge the ocean environments and its associated engineering design for coastal structures. For the design of breakwaters, the possible interactions between the wave, storm surges, wind setup, sea current, and tide can produce significant nonlinear effects. This complicated problem has been studied in the past [4,15,16,17,18]. Regarding the application of mesh-free method in the problem of wave-seabed interactions, Karim et al [27] presented a two-dimensional model using the EFG method to investigate transient response of saturated porous elastic soil under cyclic loading system. We further applied our previous mesh-free model to investigate the wave-induced soil response around a submerged breakwater under regular and irregular wave loading. Irregular wave-induced soil response in the vicinity of a submerged breakwater will be further discussed
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