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

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 know...

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Autores principales: Essink, Martin H., van Limbeek, Michiel A. J., Pandey, Anupam, Karpitschka, Stefan, Snoeijer, Jacco H.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society of Chemistry 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10336752/
https://www.ncbi.nlm.nih.gov/pubmed/37386926
http://dx.doi.org/10.1039/d2sm01389d
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author Essink, Martin H.
van Limbeek, Michiel A. J.
Pandey, Anupam
Karpitschka, Stefan
Snoeijer, Jacco H.
author_facet Essink, Martin H.
van Limbeek, Michiel A. J.
Pandey, Anupam
Karpitschka, Stefan
Snoeijer, Jacco H.
author_sort Essink, Martin H.
collection PubMed
description 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.
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spelling pubmed-103367522023-07-13 Adhesive creases: bifurcation, morphology and their (apparent) self-similarity Essink, Martin H. van Limbeek, Michiel A. J. Pandey, Anupam Karpitschka, Stefan Snoeijer, Jacco H. Soft Matter Chemistry 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. The Royal Society of Chemistry 2023-06-30 /pmc/articles/PMC10336752/ /pubmed/37386926 http://dx.doi.org/10.1039/d2sm01389d Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by/3.0/
spellingShingle Chemistry
Essink, Martin H.
van Limbeek, Michiel A. J.
Pandey, Anupam
Karpitschka, Stefan
Snoeijer, Jacco H.
Adhesive creases: bifurcation, morphology and their (apparent) self-similarity
title Adhesive creases: bifurcation, morphology and their (apparent) self-similarity
title_full Adhesive creases: bifurcation, morphology and their (apparent) self-similarity
title_fullStr Adhesive creases: bifurcation, morphology and their (apparent) self-similarity
title_full_unstemmed Adhesive creases: bifurcation, morphology and their (apparent) self-similarity
title_short Adhesive creases: bifurcation, morphology and their (apparent) self-similarity
title_sort adhesive creases: bifurcation, morphology and their (apparent) self-similarity
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10336752/
https://www.ncbi.nlm.nih.gov/pubmed/37386926
http://dx.doi.org/10.1039/d2sm01389d
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