The influence of geometry on the elastic properties of the Drosophila wing disc

Arne Keller, Flavio Lanfranconi and Christof M. Aegerter

Physica A: Statistical Mechanics and its Applications, 2018, vol. 510, issue C, 208-218

Abstract: We consider the non-linear elastic behavior of the wing disc of the Drosophila larva. In stretching experiments, this epithelial tissue shows a highly non-linear force–displacement behavior. In order to understand the nature and origin of this non-linear reaction, we try to reproduce the deformation experiments using a two-dimensional finite element solution of the non-linear hyperelastic momentum balance equation. The results suggest that to a large extent the stress reaction of the tissue is due to purely geometric effects. Finally, we give a parameter estimate for a neo-Hookean constitutive model.

Keywords: Biological tissue; Elasticity; Finite element; Drosophila; Force–displacement curve; Neo-Hookean (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:510:y:2018:i:c:p:208-218

DOI: 10.1016/j.physa.2018.06.106

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