Research Article

Model Reduction Technique Tailored to the Dynamic Analysis of a Beam Structure under a Moving Load

Table 1

Moving load model parameters.

NotationParameterValue

Young’s modulus210 GPa
Moment of inertia3090 cm4
Cross-section area77.45 m2
Density7747 kg/m3
Beam length5 m
Point force1 kN
Time step s
Velocity300 km/h
DCM
Element number30
Frequency20 × 2π Hz
IRS method
Element number10
SEREP
Element number7
Number of retained modes6