Table 4.
Displacement difference between linear and nonlinear geometry models of all nodes with linear and quadratic tetrahedral elements.
| Displacement difference between NLGEOM and LGEOM (mm) |
||||||
|---|---|---|---|---|---|---|
| Linear Tetrahedral | Quadratic Tetrahedral | |||||
| LR | AP | SI | LR | AP | SI | |
| All Nodes | ||||||
| Absolute Max Difference | 1.9 | 2.4 | 2.2 | 3.1 | 3.6 | 3.0 |
| 95 Percentile | 0.5 | 0.7 | 0.4 | 0.5 | 0.8 | 0.5 |
| Average Difference | 0.0 | 0.1 | −0.1 | 0.0 | 0.1 | −0.1 |
| Internal Nodes Only | ||||||
| Absolute Max Difference | 1.2 | 1.6 | 1.4 | 3.1 | 3.4 | 2.9 |
| 95 Percentile | 0.3 | 0.6 | 0.3 | 0.5 | 0.8 | 0.5 |
| Average Difference | 0.0 | 0.1 | −0.1 | 0.0 | 0.1 | −0.1 |