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인두조직의 점 탄성특성의 수학적모델링에 관한 연구

Other Titles
 A Study on the Mathematical Modeling of Human Pharyngeal Tissue Viscoelasticity 
 김성민  ;  김남현 
 Journal of Biomedical Engineering Research (의공학회지), Vol.19(5) : 495-502, 1998 
Journal Title
 Journal of Biomedical Engineering Research (의공학회지) 
Issue Date
A mathematical model of viscoelasticity on the material property of human pharyngeal tissue utilizing Y.C. Fung's Quasi-linear viscoelastic theory is proposed based on cyclic load, stress relaxation, incremental load, and uniaxial tensile load tests. The material properties are characterized and compared with other biological materials' results. The mathematical model is proposed by combining two characteristic functions determined from the stress relaxation and uniaxial tensile load tests. The reduced stress relaxation function G(t) and elastic response function S(t) are obtained from stress relaxation test and uniaxial tensile load test results respectively. Then the model describing stress-time history of the tissue is implemented utilizing two functions. The proposed model is evaluated and validated by comparing the model's cyclic behaviour with experimental results. The model data could be utilized as an important information for constructing 3-dimensional biomechanical model of human pharynx using FEM(Finite Element Method).
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1. College of Medicine (의과대학) > Dept. of Medical Engineering (의학공학교실) > 1. Journal Papers
Yonsei Authors
Kim, Nam Hyun(김남현)
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