Skip to main content
Article thumbnail
Location of Repository

SPH computation of plunging waves using a 2-D sub-particle scale (SPS) turbulence model.

By Songdong Shao and C. Ji

Abstract

NoThe paper presents a 2-D large eddy simulation (LES) modelling approach to investigate the properties of the plunging waves. The numerical model is based on the smoothed particle hydrodynamics (SPH) method. SPH is a mesh-free Lagrangian particle approach which is capable of tracking the free surfaces of large deformation in an easy and accurate way. The Smagorinsky model is used as the turbulence model due to its simplicity and effectiveness. The proposed 2-D SPH-LES model is applied to a cnoidal wave breaking and plunging over a mild slope. The computations are in good agreement with the documented data. Especially the computed turbulence quantities under the breaking waves agree better with the experiments as compared with the numerical results obtained by using the k- model. The sensitivity analyses of the SPH-LES computations indicate that both the turbulence model and the spatial resolution play an important role in the model predictions and the contributions from the sub-particle scale (SPS) turbulence decrease with the particle size refinement

Topics: SPH, 2-D LES, Particle scale (PS), Sub-particle scale (SPS), Numerical phase-averaging, Plunging wave
Year: 2006
DOI identifier: 10.1002/fld.1165
OAI identifier: oai:bradscholars.brad.ac.uk:10454/3864
Provided by: Bradford Scholars
Download PDF:
Sorry, we are unable to provide the full text but you may find it at the following location(s):
  • http://hdl.handle.net/10454/38... (external link)
  • http://dx.doi.org/10.1002/fld.... (external link)
  • Suggested articles


    To submit an update or takedown request for this paper, please submit an Update/Correction/Removal Request.