Implicit and conventional large eddy simulation of flow around a circular cylinder at Reynolds number of 3900

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dc.contributor.authorLi, Zhuoneng
dc.contributor.authorDa Ronch, Andrea
dc.contributor.authorRana, Zeeshan A.
dc.contributor.authorJenkins, Karl W.
dc.date.accessioned2024-04-09T09:50:18Z
dc.date.available2024-04-09T09:50:18Z
dc.date.issued2024-01-04
dc.description.abstractThe implicit Large Eddy Simulation (iLES) incorporating an unstructured 3rd-order Weighted Essential Non-Oscillatory (WENO) reconstruction method and the conventional Large Eddy Simulation with Wall Adapting Local Eddy-Viscosity (WALE) are investigated on the flow around a circular cylinder at a Reynolds number of 3900. Simulations are carried out in the framework of open-source package OpenFOAM with a 2nd-order Euler implicit time integration and Pressure-Implicit Splitting-Operator (PISO) algorithm is used for the pressure-velocity coupling. The results are compared to the high fidelity experiment and DNS data, and demonstrated a favourable performance for iLES with a 3rd-order WENO scheme on the instantaneous flow structure. The conventional LES on the prediction of mean surface pressure coefficient and velocity profiles on the wake can be beneficial by reducing the effect of Rhie-Chow interpolation. The spectral analysis reveals that the current simulations are also capturing Von Karman shedding frequencies and shear layer frequencies. Finally, distinct features of iLES and LES are discussed.en_UK
dc.identifier.citationLi Z, Da Ronch A, Rana ZA, Jenkins K. (2024) Implicit and conventional large eddy simulation of flow around a circular cylinder at Reynolds number of 3900. In AIAA SCITECH 2024 Forum, 8-12 January 2024, Orlando, FL, USA, Article Number 2024-0064en_UK
dc.identifier.eisbn978-1-62410-711-5
dc.identifier.urihttps://doi.org/10.2514/6.2024-0064
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/21152
dc.language.isoen_UKen_UK
dc.publisherAIAAen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectPressure Drag Coefficienten_UK
dc.subjectWeighted Essentially Non Oscillatoryen_UK
dc.subjectBoundary Layer Instabilityen_UK
dc.subjectReynolds Averaged Navier Stokesen_UK
dc.subjectKinematic Viscosityen_UK
dc.subjectWall Adapting Local Eddy Viscosityen_UK
dc.subjectSpectral Analysisen_UK
dc.subjectKarman Vortex Streeten_UK
dc.subjectIncompressible Flowen_UK
dc.subjectAspect Ratioen_UK
dc.titleImplicit and conventional large eddy simulation of flow around a circular cylinder at Reynolds number of 3900en_UK
dc.typeConference paperen_UK

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