Theoretical Calculation of Bending Stiffness of Alveolar Wall

Theoretical Calculation of Bending Stiffness of Alveolar Wall The bending stiffness of the alveolar wall is theoretically analyzed in this study through analytical modeling. First, the alveolar wall facet and its characteristics were geometrically simplified and then modeled using known physical laws. Bending stiffness is shown to be dependent on alveolar wall thickness, density, Poisson’s ratio and speed of the longitudinal wave. The normal bending stiffness of the alveolar wall was further determined. For the adult human, the normal bending stiffness is calculated to be 71.0–414.7 nNm, while for the adult mouse it is 1.9–30.0 nNm. The results of this study can be used as a reference for future pulmonary emphysema and fibrosis studies, as the bending stiffness of alveolar wall will be lower and higher, respectively; than the theoretically determined normal values. The Journal of Membrane Biology Springer Journals

Theoretical Calculation of Bending Stiffness of Alveolar Wall

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Springer US
Copyright © 2013 by Springer Science+Business Media New York
Life Sciences; Biochemistry, general; Human Physiology
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