Abstract

Validation results are described for an automated process for Navier ‐Stokes analysis of multielement high-lift cone gurations in two dimensions. A systematic study of grid requirements for resolving high-lift e owe elds is presented, and guidelines are provided for generating grids suitable for resolving e ow regimes containing phenomena characterized by widely varying scales, for example, free and cone uent wakes and boundary layers, separation and reversed e ows. Sensitivities of computed solutions to variousgrid parameters aredocumented. Theautomated softwarepackageis validated for slat and e ap effectiveness studies, Reynolds-numbereffects, and gap sensitivities. Results obtained so far show promise of a capability for routine and automated analysis of complex high-lift e ows.

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