Numerical simulation based on three-dimensional model of inner stereocilia

doi:10.1007/s10483-017-2211-6

Applied Mathematics and Mechanics (English Edition) ›› 2017, Vol. 38 ›› Issue (7): 997-1006.doi: https://doi.org/10.1007/s10483-017-2211-6

Numerical simulation based on three-dimensional model of inner stereocilia

Wenjuan YAO, Yiqiang CHEN

Department of Civil Engineering, Shanghai University, Shanghai 200444, China

收稿日期:2016-04-30 修回日期:2016-10-31 出版日期:2017-07-01 发布日期:2017-07-01
通讯作者: Wenjuan YAO, E-mail:wjyao@shu.edu.cn E-mail:wjyao@shu.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Nos. 11272200 and 11572186)

Numerical simulation based on three-dimensional model of inner stereocilia

Wenjuan YAO, Yiqiang CHEN

Department of Civil Engineering, Shanghai University, Shanghai 200444, China

Received:2016-04-30 Revised:2016-10-31 Online:2017-07-01 Published:2017-07-01
Contact: Wenjuan YAO E-mail:wjyao@shu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Nos. 11272200 and 11572186)

摘要/Abstract

摘要：

A three-dimensional inner stereocilium model is established by PATRAN. According to the relevant data, the corresponding pressure is applied to one side of the inner stereocilia. The top displacement of the inner stereocilia along the cross section of the basilar membrane (the x-displacement) is similar to the available data in the literature, which verifies the correctness of the model. Based on Castigliano's theorem, the displacement of a single stereocilium is achieved under the inverted triangle force. The results are in good agreement with the data obtained from the finite element (FE) model, which confirms the validity of the formula. With the FE model, the effects of the movement of the hair cells and fluid in the cochlear duct on the x-displacements of the inner stereocilia are studied. The results show that the movement of the hair cells affects the x-displacements of the inner stereocilia, especially for the shortest stereocilium, and the fluid in the cochlear duct affects the x-displacements of the inner stereocilia, especially for the middle stereocilium. Moreover, compared with the effects of the hair cells on the stereocilia, the effect of the cochlear duct fluid is greater.

关键词: cochlear duct, S-R decomposition theorem, uniqueness, existence, objectivity, inner stereocilium, Castigliano's theorem

Abstract:

Key words: S-R decomposition theorem, uniqueness, existence, objectivity, cochlear duct, inner stereocilium, Castigliano's theorem

中图分类号:

92C10

Wenjuan YAO, Yiqiang CHEN. Numerical simulation based on three-dimensional model of inner stereocilia[J]. Applied Mathematics and Mechanics (English Edition), 2017, 38(7): 997-1006.

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Numerical simulation based on three-dimensional model of inner stereocilia

Numerical simulation based on three-dimensional model of inner stereocilia

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