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Hyperelastic and damage material parameters used in the homogeneous uniaxial tensile test example. The fracture energy per unit area is computed as: 
, where L0 is the localization or characteristic length in the reference configuration [85,86].
| parameter | value |
|---|---|
| Ogden material behaviour | |
| μ1 | 4 kPa |
| μ2 | 370 kPa |
| μ3 | −5 kPa |
| α1 | 6.4 |
| α2 | 1.9 |
| α3 | −4.2 |
 |
1.16 kPa1/2 |
| Gf | 20 N cm−1 |
| neo-Hookean material behaviour | |
| μ1 | 1.5 MPa |
| α1 | 2.0 |
 |
322.8 kPa1/2 |
| Gf | 40 N cm−1 |
