The reflection coefficient of perforated caissons and the total horizontalforces acting on them were experimentally and numerically analyzed and discussed when wavepropagates normally. To consider the viscosity effect...The reflection coefficient of perforated caissons and the total horizontalforces acting on them were experimentally and numerically analyzed and discussed when wavepropagates normally. To consider the viscosity effect of fluid and nonlinear action of waves onstructures, the VOF (Volume Of Fluid) method combined with the k-ε turbulence model was used tosimulate the interaction between waves and structures. Governing equations were solved with thefinite difference method. Through 2D experimental study in the wave flume, the empiricalrelationship between the reflection coefficient of perforated caissons and the main affectingfactors were obtained from the experimental data using the least square method. Also the correlationbetween the ratio of the total horizontal force acting on perforated caisson and the force actingon solid caisson and the main affecting factors were regressed from the experimental data.展开更多
文摘The reflection coefficient of perforated caissons and the total horizontalforces acting on them were experimentally and numerically analyzed and discussed when wavepropagates normally. To consider the viscosity effect of fluid and nonlinear action of waves onstructures, the VOF (Volume Of Fluid) method combined with the k-ε turbulence model was used tosimulate the interaction between waves and structures. Governing equations were solved with thefinite difference method. Through 2D experimental study in the wave flume, the empiricalrelationship between the reflection coefficient of perforated caissons and the main affectingfactors were obtained from the experimental data using the least square method. Also the correlationbetween the ratio of the total horizontal force acting on perforated caisson and the force actingon solid caisson and the main affecting factors were regressed from the experimental data.
