Abstract
Water wave impact on a wet deck is an important issue in ocean engineering, and the plate-shaped structure in the splash zone tends to suffer tremendous impact loads. This work presents a method for predicting the wave slamming uplift force on a fixed plate with different inclined angles. Both numerical simulation and the scale model test of the wave impact loads on an inclined plate were performed, and a good agreement was obtained. In addition, the influence of three important wave parameters on the slamming uplift force was systematically investigated: relative deck width B/LS, relative wave height Δh/H1/3, and the plate’s inclined angle α. The results indicate that the three parameters can significantly influence the wave slamming uplift force. Finally, a developed empirical equation is proposed for estimating the wave slamming uplift force on the inclined plate.
Highlights
As an important renewable energy source, marine energy is playing a vital role in solving the growing shortage of land energy and facilitating the necessary transition to clean and low-carbon energy
Over the past 40 years, various kinds of marine structures have been established as effective platforms for renewable energy extraction
Problems related to water entry of a solid body with a relatively low deadrise angle [3], as well as water wave impact pressures on the wetted deck, green water, tank sloshing, etc. [4,5], have been previously investigated
Summary
As an important renewable energy source, marine energy is playing a vital role in solving the growing shortage of land energy and facilitating the necessary transition to clean and low-carbon energy. Various methods have been developed to investigate the interaction between fixed structures and waves both theoretically and experimentally It is different from the wave entry problem to some extent, the methods are universal and widely adopted. Experiments on the impact loads on a flat plate were conducted and generated key findings on trapped air and its effect on impact pressure [15] In recent years, another significant study investigating water wave impact was done by taking the elasticity of the plate into consideration [16]. Considering the fact that wave slamming occurs instantaneously, applying a fixed plate with different angles can contribute to the investigation of the slamming phenomenon by focusing on the significant effect of inclined angles on the evolution of bubbles and the slamming force, which happens within a very short time.
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