Examination of unified sediment transport and cross shore morphology model

Budianto Ontowirjo, Akira Mano

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

A numerical model was developed to simulate the flow and sediment motion in connection with plunging breakers in the surf zone. The Reynolds-Averaged Navier-Stokes (RANS) equations in two spatial dimensions were employed to simulate the flow field together with a k-ε model for the turbulence and the Volume of Fluid (VOF) method for multiple free-surface tracking. An advection-diffusion equation was used for the suspended sediment concentration with a bottom boundary condition following the reference concentration formulation. The Meyer Peter Muller (MPM) formula was used to estimate bed-load transport and Weighted Essentially Non Oscillatory (WENO) scheme was used to calculate the seabed evolution. Incorporating bed-load, suspended load and seabed evolution formulation in the present model, the performance of the new model were examined through the comparison with experimental data. Good agreement between the model and experimental data was obtained for the surface elevation and velocity, turbulent kinetic energy, eddy viscosity, bottom shear stresses, suspended sediment concentration as well as seabed evolution.

Original languageEnglish
Title of host publicationAdvances in Water Resources and Hydraulic Engineering - Proceedings of 16th IAHR-APD Congress and 3rd Symposium of IAHR-ISHS
PublisherSpringer Berlin Heidelberg
Pages1272-1276
Number of pages5
ISBN (Print)9783540894643
DOIs
Publication statusPublished - 2009 Jan 1
Event16th Congress of Asia and Pacific Division of International Association of Hydraulic Engineering and Research, APD 2008 and the 3rd IAHR International Symposium on Hydraulic Structures, ISHS 2008 - Nanjing, China
Duration: 2008 Oct 202008 Oct 23

Publication series

NameAdvances in Water Resources and Hydraulic Engineering - Proceedings of 16th IAHR-APD Congress and 3rd Symposium of IAHR-ISHS

Other

Other16th Congress of Asia and Pacific Division of International Association of Hydraulic Engineering and Research, APD 2008 and the 3rd IAHR International Symposium on Hydraulic Structures, ISHS 2008
CountryChina
CityNanjing
Period08/10/2008/10/23

Keywords

  • Bottom boundary layer
  • Bottom shear stress
  • Plunging breaker
  • Turbulent flow

ASJC Scopus subject areas

  • Civil and Structural Engineering

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