Characterizing the Dynamic Response of a Chassis Frame in a Heavy-Duty Dump Vehicle Based on an Improved Stochastic System Identification

Table 1

Parameters in the FEM model.

Model	Elastic modulus (MPa)	Poisson’s ratio	Unit	Value of unit (mm)	Comment
Longitudinal beams	2.1 × 10^5	0.3	Shell 63	30	Two symmetrical side beams
Horizontal beams	2.1 × 10^5	0.3	Shell 63	15	Five horizontal beams
Linking board	2.1 × 10^5	0.3	Shell 63	15	Four link boards for each horizontal beam
Joints	2.1 × 10^5	0.3	Combine 14	16	Diameter values