Physics of Fluids - Publications

Adhesive creases: bifurcation, morphology and their (apparent) self-similarity

Open Access
Soft Matter 19, 5160–5168 (2023)

Authors

	Martin Essink
	Michiel van Limbeek
	Anupam Pandey
	Stefan Karpitschka
	Jacco Snoeijer

BibTeΧ

@Article{D2SM01389D,
author ="Essink, Martin H. and van Limbeek, Michiel A. J. and Pandey, Anupam and Karpitschka, Stefan and Snoeijer, Jacco H.",
title  ="Adhesive creases: bifurcation{,} morphology and their (apparent) self-similarity",
journal  ="Soft Matter",
year  ="2023",
volume  ="19",
issue  ="27",
pages  ="5160-5168",
publisher  ="The Royal Society of Chemistry",
doi  ="10.1039/D2SM01389D",
url  ="http://dx.doi.org/10.1039/D2SM01389D",
abstract  ="An elastic material that experiences strong compression parallel to its free surface can exhibit sharp surface folds. Such creases arise due to an instability where a self-contacting fold appears on the surface{,} often observed in growing tissues or swelling gels. Self-adhesion of the contact is known to affect the bifurcation behavior and morphology of these structures{,} yet a quantitative description remains elusive. From numerical simulations and an energy analysis we resolve how adhesion quantitatively affects both morphology and bifurcation behavior. It is found that a reduced energy is able to accurately describe the bifurcation{,} in terms of an effective scaling that collapses the data very well. The model accurately describes how adhesion hinders crease nucleation. Furthermore{,} we show that the free surface profiles in the presence of surface tension exhibit self-similarity{,} and can be collapsed onto a universal curve."}