Table 2.
Summary of the number and geometrical characteristics of the marker-based elements in terms of size (volume, area, and length for tetrahedrons, triangles, and linear elements, respectively) and aspect ratio for the four selected cases and marker configurations
| Impact case | C755-T2 | C393-T3 | NDTB-T2 | Vrot20dt60 |
|---|---|---|---|---|
| Marker configuration | Column | Cluster | Repeatable | Uniform |
| Number of markers | 10 | 13 | 11 | 19 |
| Number of tetrahedrons (volume, mm3) | 18 (84.8 ± 77.3) | 29 (211.4 ± 230.9) | 18 (8235.2 ± 6386.5) | 53 (5005.7 ± 5125.6) |
| Aspect ratio (tetrahedrons) | 5.7 ± 2.0 | 2.5 ± 0.7 | 4.1 ± 0.6 | 4.2 ± 2.9 |
| Number of triangles (area, mm2) | 12 (164.9 ± 125.2) | 66 (112.8 ± 71.5) | 42 (1239.1 ± 925.9) | 122 (813.7 ± 518.5) |
| Aspect ratio (triangles) | 4.0 ± 1.7 | 2.1 ± 0.7 | 3.0 ± 1.3 | 2.7 ± 2.2 |
| Number of linear elements (length, mm) | 45 (28.9 ± 17.0) | 78 (26.4 ± 13.4) | 55 (64.5 ± 27.6) | 171 (51.9 ± 20.7) |