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Response to Dr. K. Miller (Re: Most recent results in the biornechanics of the brain).

Authors
Wu-JZ; Dong-RG; Schopper-AW
Source
J Biomech 2005 Apr; 38(4):969
NIOSHTIC No.
20032134
Abstract
We would like to thank Dr. Miller for his comments on our work. There was a typo in Fig. 7a. The unit of the vertical axis should be ''Pa''. In our study, a six-term (N = 6) Ogden's form was used to fit the experimental data (Miller and Chinzei, 1997). The elastic material parameters were obtained by fitting the model to equilibrium stress/strain relationship. The equilibrium stress/strain relationship obtained using the six-term Ogden-type model (Wu et al., 2004) agrees well with that obtained using the one-term model by Miller and Chinzei (2002). The magnitudes of the material parameters in these two models are not comparable, because one is expressed in a series form while the other has a single, integral form. It is seen from our analysis that the Ogden-type model fits well to the experimental data (Wu et al., 2004, Fig. 7a). The purpose of our study was, however, not to test if Ogden's form could fit to experimental data, but to demonstrate the effect of friction on the stress response in soft-tissue tests. The choice of the constitutive model in the analysis has no impact on the conclusion obtained in the study.
Keywords
Mathematical-models; Analytical-Method; Analytical-methods; Analytical-processes; Statistical-analysis; Models
Contact
JZ Wu, NIOSH, 1095 Willowdale Rd, Morgantown, WV 26505
CODEN
JBMCB5
Publication Date
20050401
Document Type
Other
Email Address
jwu@cdc.gov
Fiscal Year
2005
NTIS Accession No.
NTIS Price
Issue of Publication
4
ISSN
0021-9290
NIOSH Division
HELD
Source Name
Journal of Biomechanics
State
WV
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