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Redlin: Simulation of the optoaccoustic stimulation of an experimental tympanic membrane

2025-08-29 @ 11:00 - 11:30

The optoacoustic effect describes the creation of sound by means of radiation, mainly through the effects of differing temperature inside a target material. The full physical mechanisms behind the phenomenom are currently being studied, with the goal of using the effect among other things to the advantage of creating sound perception in humans directly at the tympanic membrane. Methodical testing seems to be necessary to get closer towards a useable product, but because of the many possible degrees of optimization it could be resource heavy and timeconsuming. This thesis aims to identify relevant factors that impact the effect, by simulating the effects of a single laser pulse on a experimental tympanic membrane through the creation of a digital twin of a current experimental setup of the Deutsches Hörgeräte Institut GmbH inside the software COMSOL Multiphysics. The digitalization of the Problem gives way to easy systematic testing and the results of first parametric sweeps give insights to the relevance of certain parameters on the resulting vibrations.

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Zoom-Meeting-ID: 954 4073 3814
Passwort: 450783

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Veranstalter

  • Institut für Hörtechnik und Akustik

Veranstaltungsort

  • IHTA Seminarraum (60 Persons) and Zoom-Meeting (Hybrid)
  • Kopernikusstr. 5
    Aachen, 52074 Deutschland
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