Research Article
Feb 1978
Stress and Strain in the Lung
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VIEW THE REPLYAuthors: Yuan-cheng B. Fung, Paul Patitucci, and Pin TongAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 104, Issue 1
Abstract
The stress-strain relationship of the lung tissue is described. There are two sources of stresses in the lung: that due to elasticity of the material, and that due to surface tension on the interfaces between the moist interalveolar wall and the air. A theoretical formula is derived for the stress-strain relationship on the basis of an idealized alveolar structure. Evidences supporting the validity of the formula are quoted. This formula is then used as the basis for analyzing the stress and strain distribution in the lung. An exact solution is obtained for a vertical lung supporting its own weight by hydrostatic pressure distributed on the pleura (the outer surface of the lung).
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Published In
Journal of the Engineering Mechanics Division
Volume 104 • Issue 1 • February 1978
Pages: 201 - 223
Copyright
© 1978 American Society of Civil Engineers.
History
Published in print: Feb 1978
Published online: Feb 3, 2021
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Affiliations
Yuan-cheng B. Fung
Prof., Dept.of Applied Mechanics and Engrg. Sci., Univ. of California at San Diego, La Jolla, Calif.
Paul Patitucci
Research Assoc., Univ. of California at San Diego, La Jolla, Calif.
Pin Tong
Chf., Mech. Engrg., Vehicle and Engrg. Div., Transport Systems Center, Dept. of Transportation, Cambridge, Mass.; formerly, Visiting Prof., Univ. of California at San Diego, La Jolla, Calif.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.