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Related Experiment Video

Updated: May 9, 2026

Synthetic, Multi-Layer, Self-Oscillating Vocal Fold Model Fabrication

Synthetic, Multi-Layer, Self-Oscillating Vocal Fold Model Fabrication

Published on: December 2, 2011

Material and shape optimization for multi-layered vocal fold models using transient loadings.

Bastian Schmidt¹, Günter Leugering, Michael Stingl

¹Department Mathematics, Applied Mathematics II, University of Erlangen, Cauerstrasse 11, 91058 Erlangen, Germany. Bastian.Schmidt@am.uni-erlangen.de

The Journal of the Acoustical Society of America

|August 10, 2013

Summary

This summary is machine-generated.

This study optimizes artificial vocal fold models for realistic vibration and airflow. The new method refines material properties and layer geometry, improving physical model construction for voice research.

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Area of Science:

Biomechanics
Acoustics
Medical Engineering

Background:

Physical models of the larynx with artificial vocal folds are crucial for studying vocal fold vibrations and airflow.
Optimizing mechanical parameters and layer geometries of these models is challenging yet vital for realistic behavior.

Purpose of the Study:

To generalize a previous static numerical model optimization to a fully transient setting.
To extend the optimization approach to include layer geometries in addition to material parameters.
To enhance the realism of artificial vocal fold models for improved biomechanical and aerodynamic simulations.

Main Methods:

Generalization of a static numerical vocal fold model to a fully transient setting.
Optimization of both material parameters and layer geometries for artificial vocal folds.
Integration of hemilarynx experimental data for model validation.

Main Results:

The extended approach allows for significant modifications to the reference geometry based on material restrictions.
Optimized designs lead to significantly more realistic deformation behavior.
Predicted biomechanical and geometrical results remain feasible for manufacturing multi-layered silicone vocal fold models.

Conclusions:

The proposed combined experimental and numerical method effectively guides the construction of physical vocal fold models.
This approach enhances the accuracy and realism of laryngeal models for voice production research.
The optimized models offer improved biomechanical and geometrical properties for advanced simulations.