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- W4311170679 abstract "In the author’s previous work, we introduced an open-source accelerated computational fluid dynamics code for scientific computations using a graphics processing unit system (OpenCFD-SCU). This code offers significantly improved computation speed and can be applied to challenging direct numerical simulation (DNS) problems. This paper presents several high-resolution cases using OpenCFD-SCU: (1) a 24° compression ramp at Mach 2.9, where the length of the ramp is 200 mm and the mesh number is 7.68 × 109; (2) a 34° compression ramp at Mach 6 with a mesh number of 9.3 × 109; (3) a cold-wall flat plate at Mach 10 with a friction Reynolds number of 1550 and mesh number of 4.5 × 109; (4) a blunt cone with a 1 mm head radius and 0° attack angle at Mach 10, where the mesh number is 24 × 109; and (5) a lifting-body model at Mach 6 with a mesh number of 11.1 × 109. Compared with DNS studies of compressible wall-bound turbulent flow under similar conditions, these cases have larger computational domains, finer resolutions, or higher Reynolds numbers, demonstrating the simulation capability of OpenCFD-SCU and broadening the scope of DNS applications. We have conducted preliminary analyses of these cases and have established an open-access database to store these data. The source code of OpenCFD-SCU can be accessed at http://developer.hpccube.com/codes/danggl/opencfd-scu.git; this website also contains detailed database descriptions and data acquisition methods." @default.
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- W4311170679 date "2022-12-01" @default.
- W4311170679 modified "2023-10-14" @default.
- W4311170679 title "Direct numerical simulation of compressible turbulence accelerated by graphics processing unit: An open-access database of high-resolution direct numerical simulation" @default.
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- W4311170679 doi "https://doi.org/10.1063/5.0132489" @default.
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