Sensitivity Analysis of a CPAM Inverse Algorithm for Composite Laminates Characterization

Table 4

Natural frequencies (Hz) of the aluminum, carbon/epoxy [8], and glass/epoxy plates obtained by modal test.

Frequencies
Aluminum
A1	114	167	218	289	300	497
A2	39	91	237	261	337	545
Carbon/epoxy
B1	60	82	143	218	232	257
B2	111	202	290	310	370	555
C1	102	311	342	364	390	612
C2	183	370	535	870	944	1050
D1	1670	3480	3860	4400	5100	6300	8800	9900	10500	11000
D2	1240	2170	3310	5350	6880	7030	7530	8910	11340	11710
Glass/epoxy
C3	188	385	555	594	669	1076
C4	261	279	573	635	682	1002
D3	154	471	968	1626	2025	2743	3439	4658	5394	5819
D4	136	654	833	1792	2112	2410	3968	4025	5175	5824