Scientific Article

A benchmark case for aeroacoustic simulations involving fluid-structure-acoustic interaction transferred from the process of human phonation

¹ Aeroacoustics and Vibroacoustics, IGTE, TU Graz, Inffeldgasse 18, 8010 Graz, Austria
² Division of Phoniatrics and Pediatric Audiology, Department of Otorhinolaryngology, Head & Neck Surgery, Friedrich-Alexander-University Erlangen-Nürnberg, Waldstraße 1, 91054 Erlangen, Germany
³ Department of Process Machinery and Systems Engineering, Friedrich-Alexander-University Erlangen-Nürnberg, Cauerstr. 4, 91058 Erlangen, Germany
⁴ Institute of Fluid Mechanics, Friedrich-Alexander-University Erlangen-Nürnberg, Cauerstr. 4, 91058 Erlangen, Germany

^* Corresponding author: stefan.schoder@tugraz.at

Received: 22 February 2023
Accepted: 6 February 2024

Abstract

Modeling fluid-structure-acoustic interaction is a highly challenging task and currently there is a lack of available benchmark datasets. For instance, to understand the processes of human phonation, it is essential to fully understand the fluid-structure-acoustic interaction process. In this article, a synthetic human phonation model is presented for benchmarking numerical methods in the field of aerodynamics, aeroacoustics and the highly-complex fluid-structure-acoustic interaction process of the voice production. The objective is to present the wide range of experimental data available, including the model geometry, the material characteristics, quantitiesreferred to the vocal fold dynamics, fluid mechanical quantities and the acoustic field. Firstly, the experimental setup is specified. Secondly, the experimental data is described in detail, accompanied by illustrations. Having the dataset in hand, finally, it is shown how to use this data to validate a computational phonation model called simVoice successfully. In conclusion, this benchmarking dataset offers the opportunity to validate structural dynamics, aerodynamics and aeroacoustics of a highly-complex fluid-structure-acoustic interaction simulation, obtained from different mathematical formulations and numerical procedures.