Table 1.
Estimated Parameters of Each Viscoelastic Model
SLS | FSLS | GM | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pig # | Data # | E 0 | E 1 | η | RMSE | α | E 1 | E α | RMSE | E 1 | η 1 | E 2 | η 2 | RMSE |
(kPa) | (kPa) | (kPa·s) | (×10−2) | (kPa) | (kPa·sα) | (×10−2) | (kPa) | (kPa·s) | (kPa) | (kPa·s) | (×10−2) | |||
1 | 1 | 2.55 | 1.16 | 135.64 | 4.88 | 0.36 | 3.00 | 4.67 | 0.64 | 1.06 | 4.96 | 0.93 | 174.38 | 0.97 |
2 | 2.57 | 0.90 | 98.35 | 4.11 | 0.36 | 2.55 | 3.44 | 0.55 | 0.92 | 3.90 | 0.71 | 125.44 | 0.95 | |
3 | 2.54 | 1.13 | 122.61 | 5.06 | 0.37 | 3.03 | 4.58 | 0.60 | 1.10 | 5.12 | 0.89 | 157.28 | 1.12 | |
4 | 2.61 | 1.15 | 126.94 | 4.98 | 0.37 | 3.10 | 4.61 | 0.62 | 1.13 | 4.96 | 0.92 | 161.12 | 0.93 | |
5 | 2.58 | 1.02 | 108.24 | 4.56 | 0.37 | 2.77 | 4.06 | 0.66 | 1.02 | 4.56 | 0.80 | 138.22 | 1.02 | |
6 | 2.6 | 1.07 | 109.14 | 4.85 | 0.38 | 2.95 | 4.36 | 0.63 | 1.11 | 4.87 | 0.83 | 138.05 | 1.07 | |
Mean | 2.58 | 1.07 | 116.82 | 0.37 | 2.90 | 4.29 | 1.06 | 4.73 | 0.85 | 149.08 | ||||
SD | 0.03 | 0.09 | 12.67 | 0.01 | 0.19 | 0.43 | 0.07 | 0.41 | 0.08 | 16.59 | ||||
2 | 1 | 3.02 | 0.93 | 97.31 | 3.63 | 0.37 | 2.59 | 3.66 | 0.57 | 0.96 | 4.11 | 0.73 | 123.41 | 0.83 |
2 | 2.97 | 1.00 | 108.98 | 3.81 | 0.37 | 2.69 | 3.97 | 0.53 | 0.97 | 4.39 | 0.79 | 139.18 | 0.87 | |
3 | 3.07 | 1.22 | 143.21 | 4.36 | 0.36 | 3.22 | 4.86 | 0.63 | 1.14 | 5.29 | 0.98 | 185.03 | 0.96 | |
4 | 3.04 | 1.22 | 150.75 | 4.10 | 0.35 | 3.03 | 4.96 | 0.66 | 1.04 | 5.14 | 0.98 | 195.62 | 1.02 | |
5 | 2.99 | 1.14 | 134.10 | 4.03 | 0.36 | 2.87 | 4.74 | 0.57 | 1.02 | 4.89 | 0.92 | 172.30 | 0.85 | |
6 | 3.00 | 1.18 | 148.17 | 4.34 | 0.33 | 3.22 | 4.39 | 0.63 | 1.08 | 4.77 | 0.96 | 191.48 | 1.07 | |
Mean | 3.02 | 1.11 | 130.42 | 0.36 | 2.94 | 4.43 | 1.04 | 4.77 | 0.89 | 167.84 | ||||
SD | 0.03 | 0.11 | 20.26 | 0.01 | 0.24 | 0.48 | 0.06 | 0.41 | 0.10 | 27.21 |