A Study on Dynamic Behaviour of Thermally Distributed Exponentially Graded Rotor System with Induced Porosities

Table 2

Free vibration frequencies of a porous power law-based FG beam.

α	k = 0.5			k = 1
	Present	[43]	Error (%)	Present	[43]	Error (%)
0	4.5283	4.5158	0.28	3.9695	3.9583	0.28
0.1	4.5947	4.5821	0.27	3.9621	3.9509	0.28
0.2	4.6806	4.6678	0.27	3.9516	3.9406	0.28
α	k = 2			k = 5
0	3.5659	3.5553	0.3	3.2436	3.2332	0.32
0.1	3.5188	3.5082	0.3	3.1736	3.1634	0.33
0.2	3.4599	3.4495	0.3	3.0888	3.0787	0.33