Journal article
Viscoelastic shear properties of human vocal fold mucosa: Theoretical characterization based on constitutive modeling
The Journal of the Acoustical Society of America, Vol.107(1), pp.565-580
01/01/2000
DOI: 10.1121/1.428354
PMID: 10641665
Abstract
The viscoelastic shear properties of human vocal fold mucosa (cover) were previously measured as a function of frequency [, J. Acoust. Soc. Am. 106, 2008–2021 (1999)], but data were obtained only in a frequency range of 0.01–15 Hz, an order of magnitude below typical frequencies of vocal fold oscillation (on the order of 100 Hz). This study represents an attempt to extrapolate the data to higher frequencies based on two viscoelastic theories, (1) a quasilinear viscoelastic theory widely used for the constitutive modeling of the viscoelastic properties of biological tissues [Biomechanics (Springer-Verlag, New York, 1993), pp. 277–292], and (2) a molecular (statistical network) theory commonly used for the rheological modeling of polymeric materials [24, 1007–1018 (1991)]. Analytical expressions of elastic and viscous shear moduli, dynamic viscosity, and damping ratio based on the two theories with specific model parameters were applied to curve-fit the empirical data. Results showed that the theoretical predictions matched the empirical data reasonably well, allowing for parametric descriptions of the data and their extrapolations to frequencies of phonation.
Details
- Title: Subtitle
- Viscoelastic shear properties of human vocal fold mucosa: Theoretical characterization based on constitutive modeling
- Creators
- Roger W. Chan - University of IowaIngo R. Titze - University of Iowa
- Resource Type
- Journal article
- Publication Details
- The Journal of the Acoustical Society of America, Vol.107(1), pp.565-580
- DOI
- 10.1121/1.428354
- PMID
- 10641665
- ISSN
- 0001-4966
- eISSN
- 1520-8524
- Number of pages
- 16
- Language
- English
- Date published
- 01/01/2000
- Academic Unit
- School of Music; Communication Sciences and Disorders
- Record Identifier
- 9984719749902771
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