A distributed nonlinear model of lung tissue elasticity.

@article{Maksym1997ADN,
  title={A distributed nonlinear model of lung tissue elasticity.},
  author={Geoffrey N. Maksym and J H T Bates},
  journal={Journal of applied physiology},
  year={1997},
  volume={82 1},
  pages={32-41}
}
We present a theory relating the static stress-strain properties of lung tissue strips to the stress-bearing constituents, collagen and elastin. The fiber pair is modeled as a Hookean spring (elastin) in parallel with a nonlinear string element (collagen), which extends to a maximum stop length. Based on a series of fiber pairs, we develop both analytical and numerical models with distributed constituent properties that account for nonlinear tissue elasticity. The models were fit to measured… CONTINUE READING

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