AI Article Synopsis
- Thin elastic sheets can relieve stress by creating out-of-plane undulations when compressed.
- This study explores how an elastic disk supported by a circular ring behaves under indentation, observing two main deformation patterns: widespread buckles and concentrated d-cone formations.
- The researchers determine the relationship between the aspect ratio of the system and the threshold for the formation of wrinkles or d-cones.
Article Abstract
Thin elastic two-dimensional systems under compressive stresses may relieve part of their stretching energy by developing out-of-plane undulations. We investigate experimentally and theoretically the indentation of an elastic disk supported by a circular ring and show that compressive stresses are relieved via two different routes: either developing buckles which are spread over the system or developing a d-cone where deformation is concentrated in a subregion of the system. We characterize the indentation threshold for wrinkles or d-cone existence as a function of aspect ratio.
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| http://dx.doi.org/10.1103/PhysRevE.106.065002 | DOI Listing |
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