An 8-Node Shell Element for Nonlinear Analysis of Shells Using the Refined Combination of Membrane and Shear Interpolation Functions

Table 8

Results of rectangular plate (𝑏/𝑎=5.0; reference solution: 𝑢₃=7.23).

Element size	Normalized solutions
	𝛽𝛿𝛾	𝛽𝛿𝛾6	𝛽𝛿𝛾^∗6	QUAD8	QUAD8**
4×4	0.845	0.845	0.897	0.975	0.867
8×4	1.029	0.991	0.991	—	—