A truss element for modelling reversible softening in living tissues

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hdl:2117/18175
Document typeArticle
Defense date2013-04-01
Rights accessOpen Access
Abstract
We resort to non-linear viscoelasticity to develop a truss element able to model reversible softening in lung epithelial tissues undergoing transient stretch. Such a Maxwell truss element is built by resorting
to a three-noded element whose mid-node is kinematically constrained to remain on the line connecting the end-nodes. The whole mechanical system undergoes an additive decomposition of the strains along
the truss direction where the total contribution of the mid-node is accounted
for by using a null-space projection and static condensation techniques. Assembling of such line-elements in 3D networks allows us to model extended regions of living tissues as well as their anisotropies.
CitationMuñoz, J. [et al.]. A truss element for modelling reversible softening in living tissues. "Mechanics research communications", 01 Abril 2013, vol. 49, p. 44-49.
ISSN0093-6413
Publisher versionhttp://www.sciencedirect.com/science/article/pii/S0093641313000323
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