Extending the Particle Finite Element Method for sediment transport simulation

Nicolás Galano, Patricio Alejandro Moreno-Casas, José A. Abell

Research output: Contribution to journalArticlepeer-review

Abstract

The present work extends the capabilities of the Particle Finite Element Method (PFEM), which allows modeling of soil–fluid–structure interaction problems, to allow the modeling of sediment transport and scouring effects. This is accomplished by implementing scouring rules on an evolving scourable-interface, i.e. the interface surface between fluid and soil. The proposed method improves upon previous proposals by jointly capturing both the temporal and spatial scales of scouring evolution, as shown in the presented validation exercise, and also because its parametrization is conforms with commonplace engineering procedures for scouring prediction. The extension preserves desirable PFEM properties such as conservation of mass, mesh-size independence, and stability of the numerical solution of the PFEM equations and adds a negligible computational overhead to the PFEM implementation.

Original languageEnglish
Article number113772
JournalComputer Methods in Applied Mechanics and Engineering
Volume380
DOIs
StatePublished - 1 Jul 2021

Bibliographical note

Funding Information:
Finally, the authors acknowledge the financial support from the Chilean National Commission for Scientific and Technological Research (CONICYT) , FONDECYT -Iniciación, Research Project N 11150511 . Powered@NLHPC: This research was partially supported by the supercomputing infrastructure of the NLHPC (ECM-02).

Publisher Copyright:
© 2021 Elsevier B.V.

Keywords

  • Fluid–structure interaction
  • Particle Finite Element Method
  • Scouring
  • Sediment transport
  • Shields criterion
  • Soil–fluid–structure interaction

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