An experimental and theoretical investigation is conducted to study the dynamic response of a tracheal smooth muscle under isometric conditions. The stiffness variation due to external vibration is investigated experimentally using trachea smooth muscles from excised pigs. The finite element method is used to model the muscle as a 2-D strip with variable stiffness and subjected to an external excitation. The Cauchy’s first law is invoked to describe the motion and Galerkin’s method is used to develop the finite element formulation. Different boundary conditions are considered to simulate the vibration characteristics and to get realistic compatibility with actual muscle conditions. The model predicts the stiffness variation due to vibration that is observed experimentally. The main outcome from this investigation is the fact that smooth muscle contractions could be relaxed by tuning the excitation within predetermined frequencies.
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ASME 2004 International Mechanical Engineering Congress and Exposition
November 13–19, 2004
Anaheim, California, USA
Conference Sponsors:
- Design Engineering Division
ISBN:
0-7918-4705-5
PROCEEDINGS PAPER
Tracheal Smooth Muscle Response to Vibrations
A. M. Al-Jumaily
A. M. Al-Jumaily
Auckland University of Technology
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Y. Du
Auckland University of Technology
A. M. Al-Jumaily
Auckland University of Technology
Paper No:
IMECE2004-59095, pp. 307-312; 6 pages
Published Online:
March 24, 2008
Citation
Du, Y, & Al-Jumaily, AM. "Tracheal Smooth Muscle Response to Vibrations." Proceedings of the ASME 2004 International Mechanical Engineering Congress and Exposition. Design Engineering. Anaheim, California, USA. November 13–19, 2004. pp. 307-312. ASME. https://doi.org/10.1115/IMECE2004-59095
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