Buckling Temperature and Natural Frequencies of Thick Porous Functionally Graded Beams Resting on Elastic Foundation in a Thermal Environment

Table 2

Comparison of the dimensionless fundamental frequency of perfect simply-supported FGB for °K .

	Solution method
			0	0.2	0.5	1	2
5	Ebrahimi and Jafari [59]	DTM	5.1524	4.8060	4.4106	3.9965	3.6447
	Simsek [73]	Lagrange’s equations	5.1524	4.8065	4.4083	3.9902	3.6343
	Present	Navier solution	5.1527	4.8080	4.4106	3.9904	3.6264
20	Ebrahimi and Jafari [59]	DTM	5.4603	5.0813	4.6511	4.2055	3.8375
	Simsek [73]	Lagrange’s equations	5.4603	5.0826	4.6513	4.2050	3.8367
	Present	Navier solution	5.4603	5.0815	4.6511	4.2050	3.8361