Abstract
AbstractThe process of voice production is a complex process and depends on the correct interaction of the vocal folds and the glottal airstream inducing the primary voice source, which is subsequently modulated by the vocal tract. Due to the restricted access to the glottis, not all aspects of the three-dimensional process can be captured by measurements without influencing the measurement object. Hence, the application of a numerical tool capturing the physical process of phonation can provide an extended database for voice treatment and, therefore, can contribute to an increased effectiveness of voice treatment. However, such numerical models involve complex and demanding procedures to model the material behavior and the mechanical contact of the vocal folds and to realize moving boundaries of the involved physical domains. The present paper proposes a numerical model called simVoice, which circumvents these computational expenses by prescribing the experimentally obtained vocal fold motion within the simulation. Additionally, a hybrid approach for sound computation further enhances the computational efficiency and yields good agreement with acoustic measurements. An analysis of the computational workloads suggests that the key factor for a further increase in efficiency is an optimized flow simulation and source term computation.
Funder
Deutsche Forschungsgemeinschaft
Österreichische Forschungsförderungsgesellschaft
Graz University of Technology
Publisher
Springer Science and Business Media LLC
Subject
Electrical and Electronic Engineering
Reference49 articles.
1. Alipour, F., Berry, D. A., Titze, I. R. (2000): A finite-element model of vocal-fold vibration. J. Acoust. Soc. Am., 108(6), 3003–3012. https://doi.org/10.1121/1.1324678.
2. Arnela, M., Dabbaghchian, S., Blandin, R., Guasch, O., Engwall, O., Van Hirtum, A., Pelorson, X. (2016): Influence of vocal tract geometry simplifications on the numerical simulation of vowel sounds. J. Acoust. Soc. Am., 140(3), 1707–1718.
3. Caro, S., Detandt, Y., Manera, J., Mendonca, F., Toppinga, R. (2009): Validation of a new hybrid CAA strategy and application to the noise generated by a flap in a simplified HVAC duct. In 15th AIAA/CEAS aeroacoustics conference (pp. 2009–3352).
4. Cohen, S. M. (2010): Self-reported impact of dysphonia in a primary care population: an epidemiological study. Laryngoscope, 120(10), 2022–2032.
5. Duncan, C., Zhai, G., Scherer, R. (2006): Modeling coupled aerodynamics and vocal fold dynamics using immersed boundary methods. J. Acoust. Soc. Am., 120(5), 2859–2871. https://doi.org/10.1121/1.2354069.
Cited by
7 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献