Multilayered Equivalent Finite Element Method for Embedded Honeycomb Plates

Table 1

Natural frequency.

Frequency (Hz)	Method
	Whole entity modeling	Equivalent plate	Error	Multilayered equivalent	Error
f1	95.30	87.09	−8.21	96.77	1.47
f2	260.72	226.83	−33.89	277.58	16.86
f3	510.19	432.55	−77.64	522.85	12.66
f4	570.19	559.41	−10.78	560.16	−10.03
f5	761.90	707.54	−54.36	811.83	49.93
Maximum % error	—	—	−14.21	—	6.5