A Component-Based Parametric Reduced-Order Modeling Method Combined with Substructural Matrix Interpolation and Automatic Sampling

Table 1

Comparison of nature frequencies between different CMS ROMs.

Algorithm	Mode
	1	2	3	4	5
Direct (Hz)	4.7920	1440.0916	1552.6679	1747.8217	1806.7117
Classical (Hz)	4.7920	1441.5584	1559.7724	1748.2735	1806.9418
Relative error (%)	0	0.102	0.458	0.0258	0.0127
Proposed (Hz)	4.7920	1440.0927	1552.6695	1747.8352	1806.7189
Relative error (%)	0	7.638 × 10^−5	1.031 × 10^−4	7.724 × 10^−4	3.985 × 10^−4