Research Article
Identification of Sudden Stiffness Change in the Acceleration Response of a Nonlinear Hysteretic Structure
Table 8
Identification results for the MR damper experiment.
| Case | c (N·s/m) | k (N/m) | α | β | γ | N | f0 (N) |
| Case 1 | 1.22 × 107 | 1.76 × 107 | 6.76 × 105 | 16.51 | 16.39 | 15.70 | 3286.92 | Case 2 | 1.38 × 107 | 8.02 × 106 | 2.42 × 106 | 18.12 | 12.81 | 23.96 | 3668.17 | Case 3 | 9.95 × 106 | 3.60 × 106 | 4.80 × 105 | 4.53 | 6.33 | 28.94 | 3000.00 | Case 4 | 7.31 × 106 | 1.90 × 106 | 4.73 × 105 | 5.65 | 8.55 | 29.53 | 3000.00 |
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