Full Vehicle Vibration and Noise Analysis Based on Substructure Power Flow

Table 2

Benchmark of body in white modal.

Modal order	Test results	FEM results	Relative error	Vibration mode
1	28.78	28.82	+0.01%	Deformation of back door
2	32.99	35.35	+7.15%	First order of roof
3	38.99	38.91	−0.21%	Second order of roof
4	42.96	42.54	−0.98%	Global twist