SPH Model of Solitary Waves Shoaling on a Mild Sloping Beach
نویسندگان
چکیده
Shoaling of solitary waves on a uniform plane beach connected to a constant-depth wave tank is investigated numerically using the smoothed particle hydrodynamics (SPH) method. The characteristics of water surface elevations have been analyzed for wave shoaling. To test the validity of the numerical model, the relative wave heights, the time histories of the free surface profiles are measured at several locations along the slope. In addition, the breaking points, breaking index and different breaking types have also been analyzed. Compared with laboratory data, and theory solutions, the calculated results from the present model are acceptable, indicating that the numerical model is reasonable.
منابع مشابه
شبیهسازی عددی شکست موج تنها بر روی ساحل شیبدار به روش هیدرودینامیک ذرات هموار نسبتاً تراکمپذیر
In this article, a numerical meshless method called Weakly Compressible Smoothed Particle Hydrodynamic (WCSPH) is used to simulate the solitary wave breaking process on the beach. The present model is a two dimensional model that considers the fluid weakly compressibility. This model solves the viscous fluid equations to obtain velocity field and density and solves the equation of state to obta...
متن کاملNumerical Modeling and Experiments for Solitary Wave Shoaling and Breaking over a Sloping Beach
This research deals with the validation of fluid dynamic models, used for simulating shoaling and breaking solitary waves on slopes, based on experiments performed at the Ecole Supérieure d’Ingénieurs de Marseille’s (ESIM) laboratory. A separate paper, also presented at this conference, reports on experiments. In a first part of this work, a fully nonlinear potential flow model based on a Bound...
متن کاملA Numerical Implementation of a Nonlinear Mild Slope Model for Shoaling Directional Waves
We describe the numerical implementation of a phase-resolving, nonlinear spectral model for shoaling directional waves over a mild sloping beach with straight parallel isobaths. The model accounts for non-linear, quadratic (triad) wave interactions as well as shoaling and refraction. The model integrates the coupled, nonlinear hyperbolic evolution equations that describe the transformation of t...
متن کاملExperiments on the Run-up of Solitary Waves over Sloping Bottoms
The objective of this study was to investigate experimentally solitary waves run-up on sloping beaches. Conducted in the Super wave flume(5m×5.2m×300m) and the Large wave flume(2m×2m×200m)at Tainan Hydraulics Laboratory (THL), solitary waves were generated by moving the wave board forward in the manner of ramp-trajectory and solitary-wave-trajectory separately to simulate the various of wave he...
متن کاملTheoretical and experimental study of particle trajectories for nonlinear water waves propagating on a sloping bottom.
A third-order asymptotic solution in Lagrangian description for nonlinear water waves propagating over a sloping beach is derived. The particle trajectories are obtained as a function of the nonlinear ordering parameter ε and the bottom slope α to the third order of perturbation. A new relationship between the wave velocity and the motions of particles at the free surface profile in the waves p...
متن کامل