Experimental Study of Wave Impact Loads on Circular Cylinder by Breaking Waves

Abstract

This study considers a wave impact load acting on a circular cylinder by breaking wave. The impact load due to breaking waves is not easy to measure due to large uncertainty in experiments. In this study, the impact load acting on the circular cylinder is measured by applying a breaking waves to a truncated circular cylinder. Force sensors and pressure sensors are applied to measure the impact loads with high sampling rates. Model test condition under steep wave is repeated 10 times and spilling and plunging wave tests are repeated 20 times. Based on the measured results and the high-speed camera images, the characteristics of impact load due to the breaking waves are discussed.