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. 2018 Mar 14;474(2211):20170858. doi: 10.1098/rspa.2017.0858

Table 3.

Calibrated parameters and prior distribution hyperparameters of stochastic Ogden-type models for mouse brain tissue, and the corresponding random linear shear modulus μ¯ of (2.14). The parameters are estimated by following the two-step strategy presented in §3.

stochastic model for mouse brain tissue calibrated parameters (mean ± s.d.) calibrated hyperparameters of prior probability distribution random shear modulus (kPa) (mean ± s.d.)
one-term (two-parameter) Ogden (5.1) c1=0.2454±0.0185 ρ1=175.6736 μ¯_=0.2454±0.0185
α1=−2.2111 ρ2=0.0014
three-term (three-parameter) Ogden (5.4) c1=−1.1192±0.0255 ρ1=49.0153 μ¯_=0.2265±0.0324
c2=0.8167±0.0059 ρ2=0.0046
b=−3 c3=0.5291±0.0009 ξ1=7919
ξ2=153 488
ξ3=99 997
four-term (four-parameter) Ogden (5.4) c1=−2.3043±0.3939 ρ1=57.7743 μ¯_=0.2150±0.0283
c2=1.7865±0.3491 ρ2=0.0037
b=−5 c3=1.1016±0.2035 ξ1=40
c4=−0.3687±0.1305 ξ2=266
ξ3=685
ξ4=294
five-term (five-parameter) Ogden (5.4) c1=−4.4681±0.0960 ρ1=51.4814 μ¯_=0.2090±0.0291
c2=2.5410±0.2452 ρ2=0.0041
b=−10 c3=3.4361±0.1178 ξ1=2771
c4=−0.5959±0.0992 ξ2=2086
c5=−0.7041±0.0969 ξ3=8388
ξ4=6569
ξ5=4502