Study on the Explicit Formula of the Triangular Flat Shell Element Based on the Analytical Trial Functions for Anisotropy Material

Table 6

Deflections (10⁻⁹ m) of the central point C in different mesh scheme.

Element	Mesh
	𝜃	2×2	4×4	8×8	16×16	32×32
S3	0	0.6225	0.8210	1.0105	0.9906	1.1225
	45	0.3286	0.4335	0.4932	0.5017	0.5184
	90	1.0912	1.7895	2.2273	2.1889	2.3824
ATF-TR5	0	0.8643	1.0041	1.0830	1.1153	1.1282
	45	0.5402	0.4987	0.5054	0.5086	0.5103
	90	1.4926	1.6447	1.7202	1.7496	1.7643
ATF-TR7	0	0.7102	0.8929	1.0015	1.0483	1.0660
	45	0.4576	0.4801	0.4934	0.4974	0.4984
	90	1.4055	1.6099	1.7015	1.7410	1.7591