Vibrations Evaluation of Functionally Graded Porous Beams in Thermal Surroundings by Generalized Differential Quadrature Method

Table 3

First three frequencies of nondimensional converging (p = 5).

		() number of grid points
		5	9	15	21	25	29	33
5	1	2.995	3.373	3.392	3.396	3.398	3.399	3.399
	2	19.546	11.512	11.482	11.511	11.521	11.526	11.526
	3	35.921	19.789	19.788	19.787	19.786	19.785	19.785
20	1	3.273	3.646	3.648	3.648	3.648	3.648	3.648
	2	78.673	14.558	14.364	14.369	14.370	14.372	14.372
	3	143.686	36.194	31.522	31.551	31.559	31.565	31.565