Table 1 Parameters used for the nonlinear model as the initial values for the optimization process.
From: Data-guide for brain deformation in surgery: comparison of linear and nonlinear models
| Instantaneous Response | Characteristic Time | Characteristic Time |
|---|---|---|
| C100 = 263 (Pa) | τ1 = 0.5 (s) | τ2 = 50 (s) |
| C010 = 263 (Pa) | ||
| C110 = 0 (Pa) | Instantaneous Elasticity | Instantaneous Elasticity |
| C020 = 491 (Pa) | g1 = 0.450 | g2 = 0.365 |
| C200 = 491 (Pa) |