A new flow-structure interaction method is presented, which couples a sharp-interface immersed boundary method flow solver with a finite-element method based solid dynamics solver. The coupled method provides robust and high-fidelity solution for complex flow-structure interaction (FSI) problems such as those involving three-dimensional flow and viscoelastic solids. The FSI solver is used to simulate flow-induced vibrations of the vocal folds during phonation. Both two- and three-dimensional models have been examined and qualitative, as well as quantitative comparisons, have been made with established results in order to validate the solver. The solver is used to study the onset of phonation in a two-dimensional laryngeal model and the dynamics of the glottal jet in a three-dimensional model and results from these studies are also presented.
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November 2010
Research Papers
A Coupled Sharp-Interface Immersed Boundary-Finite-Element Method for Flow-Structure Interaction With Application to Human Phonation
X. Zheng,
X. Zheng
Department of Mechanical Engineering,
Johns Hopkins University
, Baltimore, MD 21218
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Q. Xue,
Q. Xue
Department of Mechanical Engineering,
Johns Hopkins University
, Baltimore, MD 21218
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R. Mittal,
R. Mittal
Professor
Department of Mechanical Engineering,
e-mail: mittal@jhu.edu
Johns Hopkins University
, Baltimore, MD 21218
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S. Beilamowicz
S. Beilamowicz
Division of Otolaryngology,
George Washington University
, Washington, DC 20052
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X. Zheng
Department of Mechanical Engineering,
Johns Hopkins University
, Baltimore, MD 21218
Q. Xue
Department of Mechanical Engineering,
Johns Hopkins University
, Baltimore, MD 21218
R. Mittal
Professor
Department of Mechanical Engineering,
Johns Hopkins University
, Baltimore, MD 21218e-mail: mittal@jhu.edu
S. Beilamowicz
Division of Otolaryngology,
George Washington University
, Washington, DC 20052J Biomech Eng. Nov 2010, 132(11): 111003 (12 pages)
Published Online: October 15, 2010
Article history
Received:
September 24, 2009
Revised:
September 2, 2010
Posted:
September 21, 2010
Published:
October 15, 2010
Online:
October 15, 2010
Citation
Zheng, X., Xue, Q., Mittal, R., and Beilamowicz, S. (October 15, 2010). "A Coupled Sharp-Interface Immersed Boundary-Finite-Element Method for Flow-Structure Interaction With Application to Human Phonation." ASME. J Biomech Eng. November 2010; 132(11): 111003. https://doi.org/10.1115/1.4002587
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