Benchmark for scale-resolving simulation with curved walls: the Taylor Couette flow
Open Access
- 22 June 2021
- journal article
- research article
- Published by Springer Science and Business Media LLC in Advances in Aerodynamics
- Vol. 3 (1), 1-18
- https://doi.org/10.1186/s42774-021-00071-0
Abstract
Flow between rotating concentric cylinders, or the Taylor Couette flow, has been studied extensively because of its rich physics, ranging from axisymmetric steady laminar flow, to fully developed turbulent flow. In the present study, we advocate the use of this problem as a benchmark case for scale-resolving simulation, such as large eddy simulation (LES) and direct numerical simulation (DNS). The problem is attractive because of its simple geometry, simple boundary conditions, and complex physics involving wall-shear induced and centrifugal instability. Unlike the well-known fully developed channel flow, this problem has a curved wall boundary, and it is unnecessary to add a source term to the governing equations to sustain the fully developed turbulent flow. A p-refinement study for Re = 4000 is performed first to establish DNS data, including the time history of enstrophy, which can be used as an accuracy and resolution indicator to evaluate numerical methods, and is orders of magnitude faster than using the mean flow quantities and Reynolds stresses to evaluate solution quality. Finally, an hp-refinement study is performed to establish the relative accuracy and efficiency of high-order schemes of various accuracy.Funding Information
- Air Force Office of Scientific Research (FA9550-20-1-0315)
- Army Research Laboratory (W911NF- 20-1-0065)
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