Energy-Based Optimal Ranking of the Interior Modes for Reduced-Order Models under Periodic Excitation

Table 2

Dimensions of the reduced models ensuring MAC ≥ 0.999 and ≤ 1% for each method.

Method	Reduced model dimensions	Order reduction ratio
EBR	12	69.2%
CMSχ	16	59.0%
EIM	23	41.0%
OMR	24	38.4%
SBE	24	38.4%