Stress concentration around an atelectatic region: A finite element model

Highlights • We use finite element modeling to study the effects of atelectasis. • We modeled the lung mechanics using non-linear large deformations and networks of non-linear springs with hexagonal-like and Voronoi-like arrays. • We concluded that atelectasis may lead to an overinflation of surroun...

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Bibliographic Details
Published in:Respiratory physiology & neurobiology 2014-09, Vol.201, p.101-110
Main Authors: Makiyama, A.M, Gibson, L.J, Harris, R.S, Venegas, J.G
Format: Article
Language:English
Subjects:
Atelectasis
Cellular materials
Elastic Tissue - physiology
Finite Element Analysis
Humans
Lung heterogeneity
Lung parenchyma
Lung Volume Measurements
Medical Education
Models, Biological
Pressure
Pulmonary Alveoli - pathology
Pulmonary Atelectasis - pathology
Pulmonary/Respiratory
Stress, Mechanical
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Summary:Highlights • We use finite element modeling to study the effects of atelectasis. • We modeled the lung mechanics using non-linear large deformations and networks of non-linear springs with hexagonal-like and Voronoi-like arrays. • We concluded that atelectasis may lead to an overinflation of surrounding region.
ISSN:1569-9048
1878-1519
DOI:10.1016/j.resp.2014.06.017