Benchmark simulations of flow past rigid bodies using an open-source, sharp interface immersed boundary method

Utku Senturk, Daniel Brunner, Hrvoje Jasak, Nicoleta Herzog, Clarence Worth Rowley, Alexander J. Smits

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

This study reports benchmark results for a new immersed boundary method based finite-volume solver within the framework of the open-source toolbox foam-extend 3.2. The immersed boundary formulation uses a discrete forcing approach based on a weighted least squares approximation that preserves the sharpness of the boundary. Five test cases with increasing complexity are used. Results are also presented for the flow past a low-aspect-ratio plate that pitches about its leading edge at a Reynolds number of 2000. Force coefficient results are compared with available experimental and computational data. The results show that foam-extend 3.2 appears to be a promising open-source tool for solving flows with steady and unsteady immersed boundaries.

Original languageEnglish (US)
Pages (from-to)205-219
Number of pages15
JournalProgress in Computational Fluid Dynamics
Volume19
Issue number4
DOIs
StatePublished - 2019

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Computer Science Applications

Keywords

  • Computational fluid dynamics
  • Discrete
  • Immersed boundary method
  • Open source
  • OpenFOAM

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