This model demonstrates improved wave interactions in deep-water and shallow-water environments, indicating significant advancements in hydrodynamic simulation.
Abstract To improve the cost-effectiveness of modelling of wave interactions, a ''numerical wavetank'' is presented whose distinctive novel feature is its ability to couple both deep-water potential-flow and shallow-water models to controllable, prespecified wavemaker motion and beach topography. The coupling is in part obtained via a variational-principle approach that guarantees important conservation properties and numerical stability.The model presented is the first fully nonlinear model to couple deep-water (discretised as finite elements) and shallow-water equations (discretised as finite volumes). Resulting simulations of wave generation, propagation and absorption by shallow-water wave breaking are presented and analysed. A discussion is given on the efficacy of the novel approach.
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Lu et al. (2025) studied this question.
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