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Computational Particle Mechanics

, Volume 4, Issue 3, pp 297–305 | Cite as

Numerical simulation of evolutionary erodible bedforms using the particle finite element method

  • Rafael Bravo
  • Pablo Becker
  • Pablo Ortiz
Article

Abstract

This paper presents a numerical strategy for the simulation of flows with evolutionary erodible boundaries. The fluid equations are fully resolved in 3D, while the sediment transport is modelled using the Exner equation and solved with an explicit Lagrangian procedure based on a fixed 2D mesh. Flow and sediment are coupled in geometry by deforming the fluid mesh in the vertical direction and in velocities with the experimental sediment flux computed using the Meyer Peter Müller model. A comparison with real experiments on channels is performed, giving good agreement.

Keywords

Erodible beds FSI Sediment transport Updated Lagrangian formulation Convection PFEM-2 

Notes

Acknowledgments

R. Bravo and P. Ortiz were supported by the MICIIN Grant #BIA-2012-32918 and the MICIIN Grant #BIA-2015-64994-P (MINECO/FEDER). P. Becker was supported by the H2020-ERC-2014-PoC Grant 664910-FORECAST.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© OWZ 2016

Authors and Affiliations

  1. 1.University of GranadaGranadaSpain
  2. 2.International Center for Numerical Methods in Engineering (CIMNE)BarcelonaSpain

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