Volume 80, Number 1, October 2007
|Number of page(s)||5|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||03 September 2007|
Pre-tension regulates buckling patterns of soft films with interactions
CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China - Hefei, Anhui 230026, PRC
Corresponding author: email@example.com
Accepted: 7 August 2007
We study elastic buckling of a uni-axially pre-tensioned soft elastic film in proximity to a rigid contactor due to van der Waals interaction. By a linear analysis, we show that the film will buckle into stripes parallel to the tensile direction, with tunable spacing governed by the magnitude of the pre-tension. Such a regulating effect of pre-tension may find practical applications in generating precise surface patterns.
PACS: 47.54.-r – Pattern selection; pattern formation / 46.32.+x – Static buckling and instability
© Europhysics Letters Association, 2007
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