Experimental Research on Vibration Reduction of Cantilever Structure in High-Temperature Environments

Table 8

Fist three order modal frequencies of the composite structure with/without ceramic extension rod (25°C).

Condition	Modal frequency (Hz)
	First order	Second order	Third order
With rod	32.62	128.69	204.97
Without rod	34.57	133.72	216.57
Relative error (%)	5.64	3.76	5.36