laboratoire de physique statistique
 
 
laboratoire de physique statistique

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JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME 


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2008
The buckling of a swollen thin gel layer bound to a compliant substrate - Sultan, Eric and Boudaoud, Arezki
JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME 75 (2008)

Abstract : Gels are used to design bilayered structures with high residual stresses. The swelling of a thin layer on a compliant substrate leads to compressive stresses. The postbuckling of this layer is investigated experimentally; the wavelengths and amplitudes of the resulting modes are measured. A simplified model with a self-avoiding rod on a Winkler foundation is in semiquantitative agreement with experiments and reproduces the observed cusplike folds.