Line Creep in Paper Peeling

Juha Koivisto, Xavier Illa Tortos, Jari Rosti, Mikko Alava

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We have studied experimentally the dynamics of the separation of a sheet of paper into two halves in a peeling configuration. The experimental setup consists of a peeling device, where a fracture front is driven along the plane of the paper, with a constant force. The theoretical picture is how an elastic line interacts with a random landscape of fracture toughness. We compare the results with theoretical simulations in several aspects. One recent finding concerns the autocorrelation function of the average front position. The data from the experiments produces so-called cusps or singularities in the correlation function, as predicted by the functional renormalization group theory for elastic lines. Comparisons with simulations with either a short range or a long range elastic kernel demonstrate that the latter agrees with the experimental observations, as expected.
Original languageEnglish
Title of host publicationICEM 14 – 14th International Conference on Experimental Mechanics
EditorsFabrice Bremand
Number of pages7
ISBN (Electronic)9782759805655
Publication statusPublished - 2010
MoE publication typeA4 Article in a conference publication
EventInternational Conference on Experimental Mechanics - Poitiers, France
Duration: 4 Jul 20109 Jul 2010
Conference number: 14

Publication series

NameEPJ Web of Conferences
PublisherEDP Sciences
ISSN (Electronic)2100-014X


ConferenceInternational Conference on Experimental Mechanics
Abbreviated titleICEM

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