Table 3:
Parameter estimates for the GOH constitutive model
| Parameter | Units | Age | Healing - ξ ≠ 0 | Healing - ξ = 0 | ||||
|---|---|---|---|---|---|---|---|---|
| Uninjured | 3 Weeks | 6 Weeks | Uninjured | 3 Weeks | 6 Weeks | |||
| Mature | 2.0(±1.7) | 0.7(±0.7) | 0.8(±1.7) | 1.5(±1.3) | 0.6(±0.5) | 0.8(±0.7) | ||
| (1 – ϕ) μ | MPa | Aging | 0.8(±0.7) | 0.8(±0.7) | 0.8(±0.7) | 0.8(±0.7) | 0.8(±0.7) | 0.7(±0.6) |
| Aged | 0.7(±0.7) | 1.4(±0.8) | 0.9(±0.8) | 0.6(±0.6) | 1.0(±0.7) | 0.9(±0.8) | ||
| Mature | 53.8(±28.0) | 35.6(±32.0) | 26.4(±23.5) | 57.6(±23.9) | 29.3(±28.7) | 24.4(±22.6) | ||
| ϕ c1 | MPa | Aging | 37.4(±23.2) | 31.2(±25.9) | 22.9(±23.6) | 32.1(±20.8) | 27.7(±23.0) | 19.8(±17.5) |
| Aged | 27.0(±20.5) | 45.5(±29.9) | 34.1(±26.8) | 25.6(±19.7) | 39.1(±29.2) | 37.5(±30.0) | ||
| Mature | 647.3(±213.4) | 649.1(±244.0) | 699.3(±220.6) | 614.3(±208.7) | 605.6(±263.5) | 670.1(±229.0) | ||
| c2 | - | Aging | 748.1(±187.0) | 750.5(±190.4) | 700.9(±234.6) | 670.0(±215.5) | 720.2(±203.8) | 680.6(±231.1) |
| Aged | 724.9(±224.8) | 505.8(±287.4) | 681.3(±218.5) | 671.0(±238.6) | 501.7(±288.6) | 655.8(±239.3) | ||
| Mature | 0.18(±0.09) | 0.20(±0.09) | 0.19(±0.09) | 0.28(±0.02) | 0.27(±0.06) | 0.27(±0.03) | ||
| k | - | Aging | 0.20(±0.08) | 0.20(±0.08) | 0.17(±0.09) | 0.28(±0.02) | 0.28(±0.03) | 0.27(±0.03) |
| Aged | 0.20(±0.08) | 0.24(±0.09) | 0.21(±0.09) | 0.27(±0.02) | 0.31(±0.03) | 0.28(±0.03) | ||
| Mature | 37.4(±20.4) | 37.1(±18.4) | 33.7(±19.3) | |||||
| ξ | degrees | Aging | 34.0(±16.8) | 36.9(±21.0) | 37.2(±22.0) | - | - | - |
| Aged | 33.9(±22.4) | 49.3(±19.3) | 35.0(±20.4) | |||||