A Novel Shape-Free Plane Quadratic Polygonal Hybrid Stress-Function Element

Table 5

Results at selected locations for Cook’s skew beam problem (Figure 8).

Mesh
2 × 2	23.79	0.2473	−0.1761
4 × 4	23.94	0.2406	−0.1946
6 × 6	23.95	0.2386	−0.2018
8 × 8	23.96	0.2378	−0.2033
Reference solution^a	23.96	0.2362	−0.2023

Results of the element GT9M8 [46] using 64 × 64 mesh.