Enhancing Vibration Reduction on Lightweight Lower Control Arm

Table 5

Correlation results of experimental and FEM baseline LCA: the comparison takes into account the frequency and the MAC for each mode.

Eigenmode baseline	Frequency FEM (Hz)	Frequency EXP (Hz)	Δ frequency (%)	Diag (MAC)
1	243	245.43	−0.99	0.965
2	279	275.69	+1.20	0.982
3	398	396.78	+0.31	0.967
4	666	654.62	+1.74	0.863
5	812	780.18	+4.08	0.520
6	933	855.55	+9.05	0.366
7	—	988.09	—	—