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Fitting comparisons between linear and nonlinear models, showing overall mean error, mean error of the five peak values, and the normalized mean square error goodness of fit value.
| Fully Nonlinear Model | Linear Instantaneous, Nonlinear Viscoelastic | Nonlinear Instantaneous, Linear Viscoelastic | Fully Linear Model | |
|---|---|---|---|---|
| Complete Response Error (%) | 3.20 | 15.1 | 4.08 | 33.0 |
| Peak Response Error Only (%) | 3.39 | 18.3 | 5.58 | 106 |
| NMSE Fit Value | 1.00 | 0.984 | 0.999 | 0.937 |
