2022
DOI: 10.3390/aerospace9120759
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Wall-Modeled Large Eddy Simulation and Detached Eddy Simulation of Wall-Mounted Separated Flow via OpenFOAM

Abstract: Considering grid requirements of high Reynolds flow, wall-modeled large eddy simulation (WMLES) and detached eddy simulation (DES) have become the main methods to deal with near-wall turbulence. However, the flow separation phenomenon is a challenge. Three typical separated flows, including flow over a cylinder at ReD = 3900 based on the cylinder diameter, flow over a wall-mounted hump at Rec = 9.36e5 based on the hump length, and transonic flow over an axisymmetric bump with shock-induced separation at Rec = … Show more

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Cited by 10 publications
(7 citation statements)
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“…In contrast, the CES-KOS model provides the highest accuracy regarding the estimation of the separation length, with an error of only ≈4%. Figure 19 shows in its first row streamwise velocity profiles obtained by CES-KOS, WMLES [41], and WRLES [42]. It may be seen that the CES-KOS model predicts the streamwise velocity more accurately than WMLES and WRLES.…”
Section: Ces-kos Vs Wmles and Wrlesmentioning
confidence: 99%
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“…In contrast, the CES-KOS model provides the highest accuracy regarding the estimation of the separation length, with an error of only ≈4%. Figure 19 shows in its first row streamwise velocity profiles obtained by CES-KOS, WMLES [41], and WRLES [42]. It may be seen that the CES-KOS model predicts the streamwise velocity more accurately than WMLES and WRLES.…”
Section: Ces-kos Vs Wmles and Wrlesmentioning
confidence: 99%
“…Using an axisymmetric grid, we simulate in this way a slice of the 3D axisymmetric bump geometry (a spanwise-periodic configuration with the same cross-sectional profile as given by the three-dimensional bump geometry). The same approach was applied by Ren et al [41] as well as Elnahhas et al [46]. Characteristic boundary conditions were imposed at the freestream and outflow boundaries.…”
Section: Computational Approachmentioning
confidence: 99%
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“…for LES are obtained by spatial filtering of the incompressible Navier-Stokes equations, where[13]: simulation was conducted on a budget gaming computer with specifications which can be mentioned as follows, Processor : AMD Ryzen 7 3750H with Radeon Vega Mobile Gfx (8 CPUs) ~ 2…”
mentioning
confidence: 99%