Overview of transition prediction tools in the elsA software
Résumé
Long term involvement of ONERA in laminar-turbulent transition modelling, and into the development of the elsA software, with major contributions from D. Arnal, R. Houdeville et al. have led to a wealth of transition criteria in the elsA code, routinely used for wing design and quite well adapted for performance prediction. Nevertheless, transition prediction is a difficult task and the prospect of laminar wing design on one hand, and the ever improved design of rotating devices, from high speed propellers to turbine blades, put a renewed pressure for reliability and precision, while the current demand for ever more complex configurations calls for robustness and simplification of the use of the elsA solver regarding transition prediction.
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