The paper presents a novel wave boundary model, namely Wavy Interface model, abbreviated as WI, for the particle methods by directly modelling the target wave fronts. In practical engineering problems, the information of the design waves as an input boundary is limited to only the wave heights and periods. To accommodate the situations, the proposed Wavy Interface model is designed to omit a usual tuning process by keeping the desired wave front through generation/removal of the particles around the free surface. The good reproducibility of the Wavy Interface model is shown through benchmarks targeting regular, irregular and solitary waves. Verification is made in terms of reproduced free-surface profile, velocity and energy fields. In addition, simulations of overtopping waves show the good conservation of the water level by the Wavy Interface model. The Wavy Interface model is shown to be a proper wave generation model in a numerical wave flume to generate waves as precise as the conventional wave paddle model and with considerable reduction of CPU time.

通过直接模拟目标波阵面，提出了一种新颖的波边界模型，即波浪界面模型，简称为WI，用于粒子方法。在实际工程问题中，设计波作为输入边界的信息仅限于波高和周期。为了适应这种情况，建议的波浪界面模型旨在通过在自由表面周围生成/移除粒子来保持所需的波前，从而省略常规的调谐过程。通过针对规则波，不规则波和孤立波的基准，可以显示出波浪界面模型的良好可重复性。根据复制的自由表面轮廓，速度和能量场进行验证。此外，波浪的模拟表明，波浪界面模型可以很好地保持水位。波浪接口模型显示为数字波浪槽中的合适波浪生成模型，可以生成与常规波浪桨叶模型一样精确的波浪，并显着减少了CPU时间。