浮式防波堤非线性波浪力实验研究

Experimental study on non-linear wave forces acting on floating breakwaters

对浮式防波堤在不同吃水深度、周期、波高和入射波波型情况,进行了波浪对浮式防波堤非线性作用力的研究,给出了有关实验结果。实验结果表明波浪力在周期较大时,随着波高的增加,出现一阶力减小、高阶力增大的强非线性现象。实验中出现了二阶力大于一阶力的现象,也出现了三阶力大于二阶力和一阶力的现象。

In this paper, an experimental study on nonlinear wave forces on floating breakwaters is presented. The effect of draft,wave period and wave height on the maximum wave forces and different components of wave forces are discussed. The experimental data show that with the increase of wave height,the first order wave forces decrease, and higher arder wave forces increase for longer period waves. It is also shown by the experiment that the second order wave forces are greater than the first order ones, and that the third order wave forces are greater than the second and the first order ones.