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Table 1

Parameters obtained by the optimization procedure.

Parameters Values Parameters Values
kxx−Bearing 1 6.2212 × 1011 kxx−Bearing 2 8.2154 × 1011
kzz−Bearing 1 5.2028 × 1011 kzz−Bearing 2 9.7563 × 1011
dxx−Bearing 1 41.1095 dxx−Bearing 2 71.4022
dzz−Bearing 1 94.8811 dzz−Bearing 2 64.1701
Krotx 300.1298 Krotz 374.4974
γ1 0.0160 γ1 0.0130
γ3 0.0020 γ2 0.0030

* k: stiffness [N/m]; Krot : angular stiffness [Nm/rd]; d: damping [Ns/m]; γ: modal damping.

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