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Simulation of the flow around an oscillating cylinder with adaptive lattice Boltzmann methods

Simulation of the flow around an oscillating cylinder with adaptive lattice Boltzmann methods
Simulation of the flow around an oscillating cylinder with adaptive lattice Boltzmann methods
As an alternative to the popular approach of solving the Navier-Stokes equations on unstructured, triangular meshes, we utilize in here primarily the self-developed parallel adaptive lattice Boltzmann code AMROC-LBM to study laminar and turbulent flow over an oscillating and rotating cylinder in two space dimensions at Reynolds number 1322 and 6610, respectively. The method is implemented on a dynamically adaptive Cartesian finite volume grid and considers geometrically complex boundaries with a level-set-based ghost-fluid-type approach, making the code well suited for moving structures. Predicted vortex shedding downstream is found to be in good agreement with available experimental results. A direct comparison to the commercial code XFlow shows that AMROC-LBM provides more reliable predictions in shorter computational time.
Lattice Boltzmann method, block-structured parallel adaptive mesh refinement, oscillating cylinder, large-eddy simulation, AMROC, XFlow
Civil-Comp Press
Laloglu, Cinar
5b3e8734-c767-4fa0-892c-e67d2f587511
Deiterding, Ralf
ce02244b-6651-47e3-8325-2c0a0c9c6314
Ivanyi, P.
Topping, B. H. V.
Varady, G.
Laloglu, Cinar
5b3e8734-c767-4fa0-892c-e67d2f587511
Deiterding, Ralf
ce02244b-6651-47e3-8325-2c0a0c9c6314
Ivanyi, P.
Topping, B. H. V.
Varady, G.

Laloglu, Cinar and Deiterding, Ralf (2017) Simulation of the flow around an oscillating cylinder with adaptive lattice Boltzmann methods. Ivanyi, P., Topping, B. H. V. and Varady, G. (eds.) In Proceedings of the Fifth International Conference on Parallel, Distributed, Grid and Cloud Computing for Engineering. Civil-Comp Press. 15 pp . (doi:10.4203/ccp.111.19).

Record type: Conference or Workshop Item (Paper)

Abstract

As an alternative to the popular approach of solving the Navier-Stokes equations on unstructured, triangular meshes, we utilize in here primarily the self-developed parallel adaptive lattice Boltzmann code AMROC-LBM to study laminar and turbulent flow over an oscillating and rotating cylinder in two space dimensions at Reynolds number 1322 and 6610, respectively. The method is implemented on a dynamically adaptive Cartesian finite volume grid and considers geometrically complex boundaries with a level-set-based ghost-fluid-type approach, making the code well suited for moving structures. Predicted vortex shedding downstream is found to be in good agreement with available experimental results. A direct comparison to the commercial code XFlow shows that AMROC-LBM provides more reliable predictions in shorter computational time.

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Accepted/In Press date: 21 March 2017
Published date: 9 June 2017
Keywords: Lattice Boltzmann method, block-structured parallel adaptive mesh refinement, oscillating cylinder, large-eddy simulation, AMROC, XFlow
Organisations: Aerodynamics & Flight Mechanics Group

Identifiers

Local EPrints ID: 407845
URI: http://eprints.soton.ac.uk/id/eprint/407845
PURE UUID: 0e40662e-6bd5-4647-9ce3-59af7a5c96e1
ORCID for Ralf Deiterding: ORCID iD orcid.org/0000-0003-4776-8183

Catalogue record

Date deposited: 27 Apr 2017 01:04
Last modified: 16 Mar 2024 04:22

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Contributors

Author: Cinar Laloglu
Author: Ralf Deiterding ORCID iD
Editor: P. Ivanyi
Editor: B. H. V. Topping
Editor: G. Varady

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