Research Article

Bending of Nonconforming Thin Plates Based on the Mixed-Order Manifold Method with Background Cells for Integration

Table 1

Central deflections of a clamped circular plate under distributed load calculated with different methods.

Length (10−1m)/(element number)Central deflections (10−2 m)Length (10−1m)/(element number)Central deflections (10−2 m)
The traditional NMMThe proposed NMMFEMRPAQ [40, 41]TACQ [42]

7.0711/(16)1.6530 (5.79%)1.5997 (2.38%)7.368/(48)1.5819 (1.24%)1.264 (19.1%)
4.2426/(52)1.5717 (0.59%)1.5541 (0.53%)4.3051/(108)1.5715 (0.58%)1.484 (5.02%)1.4790 (5.34%)
3.5355/(60)1.5629 (0.03%)1.5614 (0.07%)2.3301/(192)1.5672 (0.3%)1.543 (1.25%)1.5422 (1.30%)
2.8284/(88)1.5553 (0.46%)1.5627 (0.01%)1.5696/(432)1.5644 (0.12%)
2.1213/(164)1.5628 (0.02%)1.5625 (0%)1.1814/(768)1.5635 (0.06%)
Analytical solution1.5625Analytical solution1.5625

Note. “—” indicates that no specific results are given.