Sommaire:

Different from the large scale where bulk forces prevail, at small scales, fluid-structure interactions are dominated by surface forces. For example, even if the fluid is at rest, small sized flexible structures can be deformed by the action of surface tension forces.

As an example of this type of interactions, I will present an experimental study of the out of plane buckling of a flexible annulus floating on a bath of water and submitted to a a difference in surface tension between its inner and outer edges. Based on standard buckling theory, scaling laws for the buckling threshold of the annulus, as well as for the wave length and radial extension of the wrinkles are presented.

As a brief introduction, I will present a general view of my past and recent research on the fluid-structure interaction domaine, as well as some future perspectives.

Pour plus d'informations, merci de contacter Gross M.