WFRF:(Mihaescu Mihai Professor 1976 )
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 04535naa a2200445 4500 | |
| 001 | oai:DiVA.org:kth-342151 | |
| 003 | SwePub | |
| 008 | 240115s2023 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3421512 URI |
| 024 | 7 | a https://doi.org/10.3390/bioengineering101213692 DOI |
| 040 | a (SwePub)kth | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Kraxberger, Florianu Institute of Fundamentals and Theory in Electrical Engineering (IGTE), Graz University of Technology, Inffeldgasse 18/I, Graz, 8010, Austria4 aut |
| 245 | 1 0 | a On the Alignment of Acoustic and Coupled Mechanic-Acoustic Eigenmodes in Phonation by Supraglottal Duct Variations |
| 264 | 1 | b MDPI AG,c 2023 |
| 338 | a print2 rdacarrier | |
| 500 | a QC 20240115 | |
| 520 | a Sound generation in human phonation and the underlying fluid–structure–acoustic interaction that describes the sound production mechanism are not fully understood. A previous experimental study, with a silicone made vocal fold model connected to a straight vocal tract pipe of fixed length, showed that vibroacoustic coupling can cause a deviation in the vocal fold vibration frequency. This occurred when the fundamental frequency of the vocal fold motion was close to the lowest acoustic resonance frequency of the pipe. What is not fully understood is how the vibroacoustic coupling is influenced by a varying vocal tract length. Presuming that this effect is a pure coupling of the acoustical effects, a numerical simulation model is established based on the computation of the mechanical-acoustic eigenvalue. With varying pipe lengths, the lowest acoustic resonance frequency was adjusted in the experiments and so in the simulation setup. In doing so, the evolution of the vocal folds’ coupled eigenvalues and eigenmodes is investigated, which confirms the experimental findings. Finally, it was shown that for normal phonation conditions, the mechanical mode is the most efficient vibration pattern whenever the acoustic resonance of the pipe (lowest formant) is far away from the vocal folds’ vibration frequency. Whenever the lowest formant is slightly lower than the mechanical vocal fold eigenfrequency, the coupled vocal fold motion pattern at the formant frequency dominates. | |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Maskinteknikx Strömningsmekanik och akustik0 (SwePub)203062 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Mechanical Engineeringx Fluid Mechanics and Acoustics0 (SwePub)203062 hsv//eng |
| 653 | a finite element model | |
| 653 | a fluid-structure-acoustic interaction | |
| 653 | a mechanical-acoustical eigenvalue simulation | |
| 653 | a vocal fold motion | |
| 653 | a voice production | |
| 700 | 1 | a Näger, Christophu Institute of Fluid Mechanics (LSTM), Friedrich-Alexander-Universität Erlangen-Nürnberg, Cauerstraße 4, Erlangen, 91058, Germany4 aut |
| 700 | 1 | a Laudato, Marcou KTH,Linné Flow Center, FLOW,Strömningsmekanik och Teknisk Akustik4 aut0 (Swepub:kth)u1otkp3a |
| 700 | 1 | a Sundström, Eliasu KTH,Tillämpad strömningsmekanik,Linné Flow Center, FLOW4 aut0 (Swepub:kth)u1lxfn7z |
| 700 | 1 | a Becker, Stefanu Institute of Fluid Mechanics (LSTM), Friedrich-Alexander-Universität Erlangen-Nürnberg, Cauerstraße 4, Erlangen, 91058, Germany4 aut |
| 700 | 1 | a Mihaescu, Mihai,c Professor,d 1976-u KTH,Linné Flow Center, FLOW,Strömningsmekanik och Teknisk Akustik4 aut0 (Swepub:kth)u1u92v2l |
| 700 | 1 | a Kniesburges, Stefanu Division of Phoniatrics and Pediatric Audiology, Department of Otorhinolaryngology, Head & Neck Surgery, Friedrich-Alexander-Universität Erlangen-Nürnberg, Waldstraße 1, Erlangen, 91054, Germany4 aut |
| 700 | 1 | a Schoder, Stefanu Institute of Fundamentals and Theory in Electrical Engineering (IGTE), Graz University of Technology, Inffeldgasse 18/I, Graz, 8010, Austria4 aut |
| 710 | 2 | a Institute of Fundamentals and Theory in Electrical Engineering (IGTE), Graz University of Technology, Inffeldgasse 18/I, Graz, 8010, Austriab Institute of Fluid Mechanics (LSTM), Friedrich-Alexander-Universität Erlangen-Nürnberg, Cauerstraße 4, Erlangen, 91058, Germany4 org |
| 773 | 0 | t Bioengineeringd : MDPI AGg 10:12q 10:12x 2306-5354 |
| 856 | 4 | u https://doi.org/10.3390/bioengineering10121369y Fulltext |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-342151 |
| 856 | 4 8 | u https://doi.org/10.3390/bioengineering10121369 |
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