Abstract
The influence of compliant coatings on the transition in shear flows has extensively been studied since the pioneering experiments of Kramer [1]. There is now theoritical and numerical evidence that, although compliant walls may have a favorable influence on transition triggered by Tollmien-Schlichting waves (TSI), for highly compliant walls flow-induced surface instability (FISI) may become dangerous. A very recent survey of the various instability mechanisms in shear flows with compliant coatings can be found in Davies and Carpenter [2]. However, there is no clear answer about the capability of compliant coating to postpone transition.KeywordsDirect Numerical SimulationStreamwise VelocitySpatial EvolutionWall DisplacementCompliant WallThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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