The Dynamic Similitude Design Method of Thin Walled Structures and Experimental Validation

Table 3

Natural frequencies of the 1st mode (2, 1) as a result of the distorted outer radius.

	Outer radius	Scaling factor of	Natural frequencies
	a/mm	outer radius	/Hz
Model 1	96	0.96	597.47
Model 2	98	0.98	568.69
Model 3	102	1.02	516.92
Model 4	104	1.04	493.59