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Elasticity analysis of lung deformation problems

  • Respiratory Mechanics
  • Published:
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Abstract

In the characterization of stress-strain relationships for the lung using solid continuum-mechanics analysis, the lung parenchyma is assumed to be in a state of uniform expansion and nonhomogeneous deformations are considered from the uniform state. If the nonhomogeneous deformations are small, nonhomogeneous lung deformation problems are reduced to those solvable using infinitesimal elasticity, since only the small superimposed deformations are considered. Using this incremental approach, the relevant elastic constants of lung parechyma have been measured and their applicability has been verified by comparing the results of the theoretical analysis of several nonhomogeneous deformation problems with experimental data.

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Author notes

  1. Stephen J. Lai-Fook

    Present address: Chest Service, San Francisco General Hospital, 1001 Potrero Avenue, Room 5-k-1, 94110, San Francisco, CA

Authors and Affiliations

  1. Division of Thoracic Diseases and Internal Medicine, Mayo Clinic and Mayo Foundation, Rochester, Minnesota

    Stephen J. Lai-Fook

Authors
  1. Stephen J. Lai-Fook
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Additional information

This investigation was supported in part by Research Grant HL-21584 from the National Institutes of Health, Public Health Service.

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Lai-Fook, S.J. Elasticity analysis of lung deformation problems. Ann Biomed Eng 9, 451–462 (1981). https://doi.org/10.1007/BF02364763

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  • DOI: https://doi.org/10.1007/BF02364763

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