Table 2.

Comparisons of nondimensional frequencies for a fully clamped (CCCC) SUS304/Si₃Ni₄ functionally graded square plates thermally loaded by the uniform temperature rise, T.

T	p	Source	${\overline{\mathit{\omega }}}_1$	${\overline{\mathit{\omega }}}_2={\overline{\mathit{\omega }}}_3$	${\overline{\mathit{\omega }}}_4$	${\overline{\mathit{\omega }}}_5$	${\overline{\mathit{\omega }}}_6$	${\overline{\mathit{\omega }}}_7={\overline{\mathit{\omega }}}_8$
300 K	2	Present	4.1677	7.9565	11.1587	13.1533	13.2784	15.6883
		Li et al. [46]	4.1658	7.9389	11.1212	13.0973	13.2234	15.3627
		∆ 1,%	0.0449	0.221	0.337	0.427	0.416	2.119
600 K	2	Present	3.7587	7.3978	10.4864	12.4164	12.5484	15.0855
		Li et al. [46]	3.7202	7.301	10.3348	12.2256	12.3563	14.8112
		∆,%	1.035	1.326	1.467	1.560	1.554	1.852
800 K	2	Present	3.3445	6.8162	9.7681	11.6169	11.7545	14.1711
		Li et al. [46]	3.2741	6.6509	9.5192	11.3126	11.4468	13.7907
		∆,%	2.151	2.486	2.614	2.670	2.688	2.759

¹ $\Delta = \left|{\omega }_{Ref.}-{\omega }_{FEM}\right|/{\omega }_{Ref.}\times 100\%.$