Optimization of Aircraft Wake Alleviation Schemes Through an Evolution Strategy
(2010) 9th International Meeting High Performance Computing for Computational Science — Location: Berkeley, CA (USA) (22.June.2010)
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- Authors
- Abstract
- We investigate schemes to accelerate the decay of aircraft trailing vortices. These structures are susceptible to several instabilities that lead to their eventual destruction. We employ an Evolution Strategy to design a lift distribution and a lift perturbation scheme that minimize the wake hazard as proposed by Crouch et al. (2001). The performance of a scheme is measured as the reduction of the mean rolling moment that would be induced on a following aircraft; it is computed by means of a Direct Numerical Simulation using a parallel vortex particle code. We find a configuration and a perturbation scheme characterized by an intermediate wavelength $lambda sim 4.64$, necessary to trigger medium wavelength instabilities between tail and flap vortices and subsequently amplify long wavelength modes.
- Affiliations
ETH Zurich Chair of Computational Science
Citations
Chatelain, P., Gazzola, M., Kern, S., & Koumoutsakos, P. (2010). Optimization of Aircraft Wake Alleviation Schemes Through an Evolution Strategy. In José M.LaginhaM. Palma, Michel Daydé, Osni Marques and João Correia Lopes (ed.), High Performance Computing for Computational Science - VECPAR 2010. Springer. https://doi.org/10.1007/978-3-642-19328-6_21