Mechanical Response of the Lungs at High Frequencies

[+] Author and Article Information
J. J. Fredberg, A. Hoenig

Cambridge Collaborative, Inc., Cambridge, Mass.

J Biomech Eng 100(2), 57-66 (May 01, 1978) (10 pages) doi:10.1115/1.3426193 History: Received September 06, 1977; Online October 21, 2010


We put forward an efficient method for computing the input impedance of complex asymmetrically branching duct networks, and apply this method to simulation of the dynamic response of the lungs of normal adult humans in the frequency range extending to 10,000 Hz. The results indicate that the response of comparable symmetric and asymmetric branching networks differ at high frequency (> 2 kHz in air), and that the airway wall response is an important factor in determining system damping and resonant frequencies.

Copyright © 1978 by ASME
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