Vibration Characteristics Analysis of Composite Double-Layer Explosive Vessel Shell Subjected to Explosion Loading

Table 3

IMF components’ variance contribution rates of vibration velocity signal at outer surface.

Component	Contribution rate/%
imf1	0.0023
imf2	0.0052
imf3	0.0306
imf4	0.0497
imf5	0.0698
imf6	0.1655
imf7	5.5737
imf8	10.0459
imf9	20.3512
imf10	51.2981
imf11	4.3109
imf12	3.5685
imf13	2.4170
imf14	1.1268
imf15	0.8334
imf16	0.1514