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Reducing the number of vocal fold mechanical tissue properties: Evaluation of the incompressibility and planar displacement assumptions
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10.1121/1.2996300
/content/asa/journal/jasa/124/6/10.1121/1.2996300
http://aip.metastore.ingenta.com/content/asa/journal/jasa/124/6/10.1121/1.2996300

Figures

Image of FIG. 1.
FIG. 1.

Diagram of model geometry and mesh: (a) coronal cross section, (b) isotropic view, and (c) finite element mesh.

Image of FIG. 2.
FIG. 2.

Normalized modal frequencies as a function of compressibility and tissue region: (a) cover only, (b) body only, and (c) body and cover. Each curve normalized with the incompressible value as unity. (—–) mode 1; (---) mode 2; (-·-·-) mode 3; (·····) mode 4; () mode 5; (---) mode 6.

Image of FIG. 3.
FIG. 3.

Planar displacement condition imposed in the body layer only: (a) modal frequencies as a function of stiffness ratio; (b) normalized modal frequencies with the planar displacement value as unity (mode 7 omitted). (—–) mode 1; (---) mode 2; (-·-·-) mode 3; (·····) mode 4; () mode 5; (---) mode 6; (-·-·-) mode 7.

Tables

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TABLE I.

Tissue types and independent parameters required for linear elastic descriptions. Measured human tissue parameters indicated in bold.

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TABLE II.

Geometric parameters of the body-cover model of Fig. 1.

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TABLE III.

Nominal material properties of the body-cover model. Measured parameters indicated in bold.

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TABLE IV.

Parameter substitutions for parametric variation.

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TABLE V.

Discrepancies between incompressibility and partial compressibility for two values of compressibility factor.

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TABLE VI.

Influence of stiffness ratio on the relative differences between constrained and unconstrained modal frequencies.

Generic image for table
TABLE VII.

Summary of parameter reduction methods (measured properties indicated in bold).

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/content/asa/journal/jasa/124/6/10.1121/1.2996300
2008-12-01
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Reducing the number of vocal fold mechanical tissue properties: Evaluation of the incompressibility and planar displacement assumptions
http://aip.metastore.ingenta.com/content/asa/journal/jasa/124/6/10.1121/1.2996300
10.1121/1.2996300
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