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Table 7 Design variable

From: Optimization on the Crosswind Stability of Trains Using Neural Network Surrogate Model

Item Orientation Design variable
c1 (kN/ms−1) z 7.39
c3 x α = 0.581
k0 (N/m) x 2.0 × 107
k0 (N/m) y 2.243 × 107
k0 (N/m) z 4.908 × 107
k1 (N/m) x 1.234 × 106
k1 (N/m) y 6.547 × 105
k1 (N/m) z 6.0 × 105
k4 (N/rad) x 2.544 × 106