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Crawlers in viscous environments: linear vs nonlinear rheology

TitleCrawlers in viscous environments: linear vs nonlinear rheology
Publication TypeJournal Article
Year of Publication2013
AuthorsDeSimone, A, Guarnieri, F, Noselli, G, Tatone, A
JournalInternational Journal of Non-Linear Mechanics 56, 142-147 (2013)

We study model self-propelled crawlers which derive their propulsive capabilities from the tangential resistance to motion offered by the environment. Two types of relationships between tangential forces and slip velocities are considered: a linear, Newtonian one and a nonlinear one of Bingham-type. Different behaviors result from the two different rheologies. These differences and their implications in terms of motility performance are discussed. Our aim is to develop new tools and insight for future studies of cell motility by crawling.


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