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

Table 5

Deflections 𝑤_𝐶 of the central point C.

Thickness t	Element	Mesh
		𝜃	4×4	8×8	16×16	32×32
0.001 m; 𝑤𝐶/10^−3 m	S3	0	0.0010	0.0344	0.1976	0.2370
		45	0.0010	0.0292	0.2023	0.3555
	ATF-TP5	0	0.2404	0.2381	0.2367	0.2364
		45	0.2630	0.3392	0.3519	0.3551
	ATF-TP7	0	0.2344	0.2367	0.2363	0.2363
		45	0.2526	0.3313	0.3496	0.3546
0.01 m; 𝑤𝐶/10^−6 m	S3	0	0.0423	0.2053	0.2372	0.2413
		45	0.0375	0.2231	0.3572	0.3792
	ATF-TP5	0	0.2435	0.2412	0.2396	0.2389
		45	0.2652	0.3414	0.3542	0.3572
	ATF-TP7	0	0.2374	0.2398	0.2392	0.2388
		45	0.2549	0.3339	0.3523	0.3568
0.1 m; 𝑤𝐶/10^−9 m	S3	0	0.4583	0.5469	0.5679	0.5732
		45	0.4249	0.6214	0.6799	0.6961
	ATF-TP5	0	0.4636	0.4548	0.4699	0.4933
		45	0.4231	0.5101	0.5727	0.6037
	ATF-TP7	0	0.4431	0.4450	0.4612	0.4882
		45	0.4136	0.5071	0.5719	0.6035