Observation of vibration response of tympanic membrane using finite element method

Muhammad Rafiqul Islam, Gan Kok Beng, Cila Umat

Research output: Contribution to journalArticle

Abstract

The middle ear plays an essential role in sound perception: it conducts air-borne sound energy from the external environment into liquid waves inside the inner ear via ossicular vibrations. However, the middle ear is often the site of infections, congenital disorders and other pathologies, which can lead to conductive hearing loss. Tympanometry is an acoustic method to evaluate middle ear function by measuring TM’s mobility and responses. However, current clinical results are inadequate due to our insufficient knowledge of the complex mechanics of the auditory system. This is a need to understand the TM vibration responses to the sound pressure level at certain frequencies. Such responses will find useful information such as displacement to develop a screening tool for middle ear diagnosis. Computational models have been introduced to analyze this phenomenon, where the tympanic membrane (TM) is key component in the auditory system. In this study, a finite element (FE) model has been proposed for TM. The geometry was reconstructed using magnetic resonance imaging (MRI) data. The material model was developed from previously published data. The model was employed to analyze the vibration of the TM under the sound load of pure tone. The vibration was observed for the sound load of 90dB SPL at three specific frequencies (226Hz, 678Hz and 1000Hz).

Original languageEnglish
Pages (from-to)34-39
Number of pages6
JournalJournal of Theoretical and Applied Information Technology
Volume85
Issue number1
Publication statusPublished - 10 Mar 2016

Fingerprint

Membrane
Vibration
Finite Element Method
Acoustic waves
Membranes
Finite element method
Vibrations (mechanical)
Liquid waves
Magnetic Resonance Imaging
Audition
Pathology
Magnetic resonance
Computational Model
Finite Element Model
Screening
Infection
Mechanics
Disorder
Acoustics
Observation

Keywords

  • Five are Required Separated By Commas (Capitalize Each Work Italic)

ASJC Scopus subject areas

  • Computer Science(all)
  • Theoretical Computer Science

Cite this

Observation of vibration response of tympanic membrane using finite element method. / Islam, Muhammad Rafiqul; Kok Beng, Gan; Umat, Cila.

In: Journal of Theoretical and Applied Information Technology, Vol. 85, No. 1, 10.03.2016, p. 34-39.

Research output: Contribution to journalArticle

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