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Simulation of Vortex Convection in a Compressible Viscous Flow with Dynamic Mesh Adaptation

Published online by Cambridge University Press:  03 June 2015

C. H. Zhou
C. H. Zhou*
Affiliation:
Department of Aerodynamics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
*
*Corresponding author. Email: [email protected]
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Abstract

In this work, vortex convection is simulated using a dynamic mesh adaptation procedure. In each adaptation period, the mesh is refined in the regions where the phenomena evolve and is coarsened in the regions where the phenomena deviate since the last adaptation. A simple indicator of mesh adaptation that accounts for the solution progression is defined. The generation of dynamic adaptive meshes is based on multilevel refinement/coarsening. The efficiency and accuracy of the present procedure are validated by simulating vortex convection in a uniform flow. Two unsteady compressible turbulent flows involving blade-vortex interactions are investigated to demonstrate further the applicability of the procedure. Computed results agree well with the published experimental data or numerical results.

Keywords

65M5076M99Mesh adaptationvortex-convectionblade-vortex interactionunsteady flowtime-dependent problemshock-vortex interaction
Type
Research Article
Information
Advances in Applied Mathematics and Mechanics , Volume 6 , Issue 5 , October 2014 , pp. 590 - 603
Copyright
Copyright © Global-Science Press 2014

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