Study of the optimal control for a problem of elastic torsion. (Étude du contrôle optimal pour un problème de torsion élastique.)
Optimal control and “strange term" for a Stokes problem in perforated domains.
Vibrations of thin elastic structures and exact controllability
Boundary sentinels in cylindrical domains.
We study a model describing vibrations of a cylindrical domain with thickness e > 0. A characteristic of this model is that it contains pollution terms in the boundary data and missing terms in the initial data. The method of sentinels'' of J. L. Lions [7] is followed to construct a sentinel using the observed vibrations on the boundary. Such a sentinel, by construction, provides information on pollution terms independent of missing terms. This requires resolution of initial-boundary value...
Fading memory effects in elastic-viscoelastic composites
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