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Finite element analysis of middle ea...

Tuck-Lee, James Peter.

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Finite element analysis of middle ear mechanics.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Finite element analysis of middle ear mechanics./
Author:	Tuck-Lee, James Peter.
Description:	130 p.
Notes:	Adviser: Peter M. Pinsky.
Contained By:	Dissertation Abstracts International68-09B.
Subject:	Engineering, Mechanical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3281964
ISBN:	9780549244967

Finite element analysis of middle ear mechanics.
Tuck-Lee, James Peter.

Finite element analysis of middle ear mechanics. - 130 p.

Adviser: Peter M. Pinsky.

Thesis (Ph.D.)--Stanford University, 2007.

An essential component in the process of hearing is the transformation of sound from acoustic to mechanical vibration in the middle ear. In order to study this phenomenon, computational models have been introduced to model the behavior of the tympanic membrane and its interaction with the surrounding acoustical spaces. Using such a computational model, one gains an increased understanding of the relationship between its structure and performance, which may assist in preventive, diagnostic, and reconstructive medical applications.

ISBN: 9780549244967Subjects--Topical Terms:

783786
Engineering, Mechanical.

Finite element analysis of middle ear mechanics.
LDR:02622nam 2200325 a 45 001 957328
005 20110630
008 110630s2007 eng d
020 $a 9780549244967
035 $a (UMI)AAI3281964
035 $a AAI3281964
040 $a UMI $c UMI
100 1 $a Tuck-Lee, James Peter. $3 1280684
245 1 0 $a Finite element analysis of middle ear mechanics.
300 $a 130 p.
500 $a Adviser: Peter M. Pinsky.
500 $a Source: Dissertation Abstracts International, Volume: 68-09, Section: B, page: 6262.
502 $a Thesis (Ph.D.)--Stanford University, 2007.
520 $a An essential component in the process of hearing is the transformation of sound from acoustic to mechanical vibration in the middle ear. In order to study this phenomenon, computational models have been introduced to model the behavior of the tympanic membrane and its interaction with the surrounding acoustical spaces. Using such a computational model, one gains an increased understanding of the relationship between its structure and performance, which may assist in preventive, diagnostic, and reconstructive medical applications.
520 $a The goal of this present work is to expand the computational simulation capabilities of current eardrum models using modern finite element modeling techniques. A fully coupled structural acoustic model is presented using modern shell element technology. Anatomical geometries for the eardrum, acoustic spaces of the ear canal and middle ear cavity, and the ossicles are utilized via muCT imaging.
520 $a A new computational algorithm is used to compute the frequency response of this model over a wide frequency range. This approach uses the matrix Pade-via-Lanczos algorithm to construct reduced-order models around chosen reference frequencies, which can be solved efficiently at many frequencies within a frequency window. An adaptive algorithm is introduced to span a given frequency range by introducing new reference frequencies as necessary.
520 $a Results for the middle ear model, using this multifrequency algorithm, are presented for intact and modified middle ear anatomies. These modifications serve to demonstrate the utility of the computational approach in understanding the relationships between the morphological structure of the middle ear and its functionality.
590 $a School code: 0212.
650 4 $a Engineering, Mechanical. $3 783786
650 4 $a Health Sciences, Audiology. $3 1018138
650 4 $a Physics, Acoustics. $3 1019086
690 $a 0300
690 $a 0548
690 $a 0986
710 2 0 $a Stanford University. $3 754827
773 0 $t Dissertation Abstracts International $g 68-09B.
790 $a 0212
790 1 0 $a Pinsky, Peter M., $e advisor
791 $a Ph.D.
792 $a 2007
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3281964