Table 4:
Parameter estimates for the SHR constitutive model
| Parameter | Units | Age | Healing - ψ ≠ 0 | Healing - ψ ≠ 0 | ||||
|---|---|---|---|---|---|---|---|---|
| Uninjured | 3 Weeks | 6 Weeks | Uninjured | 3 Weeks | 6 Weeks | |||
| Mature | 1.6(±1.3) | 0.9(±0.8) | 0.6(±0.6) | 1.4(±1.14) | 0.8(±0.66) | 0.6(±0.55) | ||
| (1 – ϕ) μ | MPa | Aging | 0.5(±0.5) | 0.6(±0.6) | 0.6(±0.6) | 0.4(±0.51) | 0.6(±0.55) | 0.6(±0.55) |
| Aged | 0.4(±0.4) | 1.6(±0.8) | 1.0(±0.9) | 0.3(±0.36) | 0.9(±0.68) | 0.9(±0.86) | ||
| Mature | 95.3(±4.4) | 66.9(±22.3) | 75.8(±16.8) | 95.1(±4.53) | 66.6(±23.56) | 71.5(±18.55) | ||
| ϕ E | MPa | Aging | 84.5(±11.5) | 78.0(±15.8) | 77.1(±16.4) | 79.3(±13.06) | 71.2(±18.41) | 70.9(±19.03) |
| Aged | 84.6(±11.8) | 50.2(±28.6) | 73.0(±18.5) | 76.7(±14.46) | 43.9(±26.18) | 39.6(±19.69) | ||
| Mature | 21.5(±1.4) | 37.9(±16.8) | 26.4(±5.9) | 21.9(±1.14) | 50.9(±15.76) | 32.3(±5.53) | ||
| θ0 | degrees | Aging | 24.3(±3.4) | 26.6(±6.3) | 26.4(±6.5) | 27.3(±2.89) | 32.2(±5.50) | 33.1(±5.96) |
| Aged | 24.14(±3.7) | 49.64(±24.2) | 27.88(±7.9) | 28.6(±3.28) | 62.3(±18.85) | 34.2(±8.21) | ||
| Mature | 5.4(±4.0) | 18.5(±12.8) | 16.6(±9.3) | |||||
| ψ | degrees | Aging | 13.6(±7.4) | 17.1(±9.4) | 18.0(±9.6) | - | - | - |
| Aged | 17.1(±7.7) | 42.1(±25.2) | 16.1(±10.0) | |||||