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Table 1 Parameters of the five-parameter Maxwell visco-elastic model by fitting the averaged experimental data in Fig. 8

From: Re-examination of the mechanical anisotropy of porcine thoracic aorta by uniaxial tensile tests

Angle Parameters Ten steps
S-1 S-2 S-3 S-4 S-5 S-6 S-7 S-8 S-9 S-10 Mean SD
30° G 0 0.79 0.84 0.86 0.78 0.74 0.81 0.78 0.77 0.78 0.78 0.792 0.033
μ 1 0.14 0.17 0.16 0.20 0.21 0.19 0.20 0.20 0.20 0.20 0.185 0.021
τ 1 0.79 0.82 0.83 0.99 0.99 0.85 0.95 0.96 0.96 0.99 0.913 0.076
μ 2 7.62 3.83 3.95 4.10 4.69 3.73 3.96 3.96 4.05 4.07 4.395 1.102
τ 2 33.09 17.94 20.28 22.77 24.56 18.58 20.28 20.19 20.25 20.92 21.885 4.141
45° G 0 0.83 0.81 0.86 0.86 0.88 0.84 0.84 0.82 0.80 0.79 0.833 0.026
μ 1 0.12 0.18 0.17 0.16 0.16 0.17 0.17 0.18 0.18 0.19 0.169 0.017
τ 1 0.76 0.90 0.86 0.89 0.86 0.93 0.92 0.92 0.93 0.98 0.894 0.056
μ 2 6.31 4.14 3.57 3.95 3.21 3.73 3.75 3.99 4.07 4.11 4.084 0.792
τ 2 21.69 22.04 20.99 22.45 19.47 21.90 20.74 21.64 21.32 21.06 21.330 0.795
60° G 0 0.81 0.84 0.82 0.85 0.83 0.86 0.82 0.83 0.80 0.79 0.824 0.020
μ 1 0.18 0.17 0.18 0.17 0.17 0.15 0.18 0.17 0.19 0.18 0.176 0.009
τ 1 0.95 0.82 0.95 0.96 0.94 0.86 0.98 0.95 0.99 0.98 0.938 0.053
μ 2 4.13 3.78 3.64 3.42 4.04 4.24 3.73 3.80 4.11 4.41 3.930 0.289
τ 2 22.58 20.28 20.77 21.50 22.68 20.87 21.22 20.08 21.53 21.12 21.264 0.816
90° G 0 0.70 0.86 0.92 0.95 0.95 0.90 0.88 0.86 0.83 0.82 0.868 0.069
μ 1 0.15 0.17 0.14 0.13 0.13 0.14 0.16 0.16 0.17 0.17 0.152 0.013
τ 1 0.93 1.12 0.86 0.86 0.82 0.88 0.93 0.94 0.97 0.96 0.926 0.080
μ 2 12.88 3.61 3.52 3.11 3.21 3.70 3.62 3.79 4.20 4.28 4.592 2.784
τ 2 52.63 22.86 24.78 19.88 18.88 22.03 21.33 21.27 22.19 22.10 24.796 9.400
120° G 0 0.88 0.78 0.85 0.89 0.80 0.88 0.85 0.82 0.79 0.81 0.836 0.039
μ 1 0.15 0.18 0.16 0.15 0.18 0.15 0.16 0.17 0.18 0.17 0.166 0.012
τ 1 0.99 1.04 1.00 0.96 1.05 0.89 0.94 0.96 0.98 0.95 0.977 0.044
μ 2 3.88 4.87 3.89 3.53 4.76 3.70 3.84 4.14 4.64 4.32 4.156 0.444
τ 2 24.50 27.56 22.68 21.50 26.36 19.61 20.92 22.07 23.31 21.68 23.019 2.349
135° G 0 0.85 0.83 0.92 0.90 0.86 0.84 0.87 0.85 0.84 0.83 0.858 0.029
μ 1 0.12 0.18 0.14 0.16 0.16 0.17 0.16 0.16 0.17 0.17 0.159 0.016
τ 1 0.80 1.05 0.86 0.94 1.00 1.05 0.91 0.95 0.95 1.00 0.949 0.076
μ 2 6.42 3.58 3.18 3.06 3.80 3.83 3.97 3.91 4.04 4.03 3.982 0.877
τ 2 27.58 22.89 19.47 20.38 23.35 23.96 20.65 21.23 21.80 21.42 22.272 2.207
150° G 0 0.56 0.76 0.81 0.84 0.88 0.84 0.78 0.82 0.82 0.80 0.791 0.081
μ 1 0.21 0.16 0.17 0.17 0.15 0.17 0.20 0.17 0.18 0.19 0.177 0.016
τ 1 1.38 0.93 0.97 0.91 0.89 0.93 1.12 0.95 0.95 1.00 1.003 0.139
μ 2 12.36 6.49 4.40 4.08 3.79 4.06 4.02 4.04 4.03 4.01 5.127 2.521
τ 2 45.13 29.01 23.35 22.34 21.05 21.96 23.59 19.98 21.13 21.27 24.882 7.154
180° G 0 0.80 0.77 0.81 0.79 0.81 0.76 0.67 0.74 0.75 0.77 0.766 0.039
μ 1 0.16 0.20 0.18 0.19 0.19 0.21 0.23 0.21 0.21 0.20 0.199 0.017
τ 1 0.80 0.86 0.82 0.86 0.78 0.86 0.99 0.94 0.96 0.98 0.884 0.074
μ 2 5.42 3.96 3.94 3.69 3.63 4.02 5.47 4.20 4.22 4.08 4.264 0.617
τ 2 27.19 20.52 19.19 19.14 18.23 19.44 26.06 19.86 20.33 19.94 20.990 2.896
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