Research Article

Kriging Metamodeling in Rotordynamics: Application for Predicting Critical Speeds and Vibrations of a Flexible Rotor

Table 1

Value of the physical parameters for the shaft.

Notation Description Value

Radius of the rotor shaft
Length of the rotor shaft
Young’s modulus of elasticity N⋅m−2
Shear modulus N⋅m−2
Density kg⋅m−3
Poisson ratio