Research Article

Nonlinear Dynamic Identification of Beams Resting on Nonlinear Viscoelastic Foundations Based on the Time-Delayed Transfer Entropy and Improved Surrogate Data Algorithm

Table 1

(a) Material properties of the rail

Itemnotationvalue

Young’s modulus
Mass density
Cross-sectional area
Area moment of inertia
Length

(b) Mechanical parameters of the foundation

ItemnotationvalueDimensionless value

Mean stiffness
Nonlinear stiffness
Viscous damping