Turnaround Time and Accuracy Evaluation of Viscous Flow Computations on Hybrid Grids.

摘要

Hybrid grid technology has become an important tool for aerodynamic analysis and design because of the high level of automation. At NLR the FASTFLO CFD system for computing viscous flows around complex aircraft configurations is deployed in aerodynamic project work. Rapid increases in parallel computer architectures, with large aggregate memory capacity and CPU power, allow the application of this CFD technology to even more geometrically complex aircraft configurations. In the paper an overview is presented of the current capabilities of the FASTFLO CFD system among which are three-dimensional hybrid grid generation, viscous flow modelling and grid adaptation.