Evaluation of Dynamic Behavior of the Human Middle Ear with Nonhomogeneity by Finite Element Method.
Yoo, SH; Park, K; Moon, SK; Kim, WS; Bae, JH
Key engineering materials, 270-2732067-2072, 2004
Key engineering materials
This object of this paper is to perform vibration analysis of a human middle ear considering the nonhomogeneity of the middle ear bones by finite element method. A micro CT is used to check the nonhomogeneity and procedures 480-942 pictures with 21.3 ??m
x 21.3??m pixel size. The fine details of the components of the middle ear , namely, malleus, incus and stapes can be modeles by constructing 3-D images from the CT outputs. The nonhomogeneity is divided in to 5 classes upon the values of the pixels and the corresponding elastic constants are designed. Also the model includes the ligaments, lendons, and I-S (Incus-Stapes) joints which connect the components of the middle ear. The umbo and stapes displacements from the finite element analysis are compared with the results of other researchers.
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