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- W2364731003 abstract "The DLR-F4 wing-body model is a simplified geometric simulation of current subsonic commercial aircraft intended to help evaluate simulations predicting aircraft drag.The accuracy of computed drag around it was investigated,and in particular,the effects of grid and turbulence models were analyzed.This was done by solving the Reynolds-averaged Navier-Stokes equations(RANS) coupled with the Spalart-Allmaras and Baldwin-Lomax turbulence models.A high quality multi-block structured patched grid around the wing-body configuration was generated using the hypercube concept.Mesh refinement was performed to investigate the effects of the grid's density.The results showed that computed lift was slightly affected by turbulence models and the grid's density.Computed drag was significantly affected by both turbulence models and the grid's density.The pressure coefficient distribution was slightly affected by the grid's density.This research showed that the accuracy of computed drag can be improved by decreasing the grid interval between the object plane and the first-layer mesh as well as by properly increasing the density of the grids." @default.
- W2364731003 created "2016-06-24" @default.
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- W2364731003 date "2010-01-01" @default.
- W2364731003 modified "2023-09-24" @default.
- W2364731003 title "Numerical simulation of the flowfields around the DLR-F4 wing-body configuration" @default.
- W2364731003 hasPublicationYear "2010" @default.
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