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Using Computational Fluid Dynamics for Aerodynamics

Using Computational Fluid Dynamics for AerodynamicsAntony Jameson and Massimiliano FaticaStanford UniversityIn this white paper we survey the use of Computational simulation for Aerodynamics , focusing onapplications in Aerospace and Turbomachinery. We present some representative problems toillustrate the range of complexity in Fluid simulations and the associated computationalrequirements. We also examine the design process in current industrial practice, and the roleplayed by Computational Fluid Dynamics (CFD). Measured against this backdrop we assess thepotential role and market for supercomputing in an environment of ubiquitous computing on thedesktop.

2001), which has demonstrated “text book” multigrid convergence (in 5 cycles), two-dimensional calculations of this kind can be completed in 0.5 seconds on a laptop computer (with a 2Ghz processor). A three dimensional simulation of the transonic flow over a swept wing on a 192x32x32 mesh (196,608 cells) takes 18 seconds on the same laptop.

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