Research Article

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

Table 6

The tip displacements of the curved beam (Figure 9).

Curved edges Straight edges

1 × 2−0.0211−0.0211−0.0223−0.0222
1 × 4−0.0217−0.0216−0.0218−0.0217
1 × 6−0.0217−0.0216−0.0217−0.0216
1 × 8−0.0217−0.0216−0.0217−0.0216
1 × 10−0.0217−0.0217−0.0217−0.0217

Analytical solution−0.0218