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 non-linear 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.
Crawlers in viscous environments: Linear vs non-linear rheology / De Simone, Antonio; Guarnieri, F.; Noselli, Giovanni; Tatone, A.. - In: INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS. - ISSN 0020-7462. - 56:(2013), pp. 142-147. [10.1016/j.ijnonlinmec.2013.02.007]
Crawlers in viscous environments: Linear vs non-linear rheology
De Simone, Antonio;Noselli, Giovanni;
2013-01-01
Abstract
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 non-linear 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.| File | Dimensione | Formato | |
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