Table 3 Mesh quality of corresponding target FEMs generated by different number of target feature points.
Item | Jacobian | Warpage | Skew | Aspect ratio | Quad faces minimum angel | Quad faces maximum angel | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
≥ 0.5 | Minimum | ≤ 30 | Maximum | ≤ 60 | Maximum | ≤ 8 | Maximum | ≥ 30 | Minimum | ≤ 150 | Maximum | ||||
10% | |||||||||||||||
ribcage | 99% | 0.41 | 99% | 49 | 99% | 57 | 99% | 4 | 99% | 32 | 99% | 153 | |||
pelvis | 99% | 0.8 | 99% | 48 | 99% | 69 | 99% | 4 | 97% | 14 | 98% | 144 | |||
humerus | 92% | 0.25 | 90% | 65 | 95% | 80 | 94% | 15 | 90% | 16 | 93% | 169 | |||
radius | 96% | 0.34 | 94% | 66 | 96% | 70 | 93% | 11 | 90% | 10 | 90% | 159 | |||
tibia | 90% | 0.24 | 95% | 69 | 95% | 86 | 97% | 6 | 92% | 13 | 92% | 170 | |||
ulna | 82% | 0.22 | 92% | 53 | 97% | 71 | 96% | 5 | 90% | 19 | 88% | 185 | |||
50% | |||||||||||||||
ribcage | 99% | 0.41 | 99% | 50 | 99% | 57 | 99% | 4 | 99% | 32 | 99% | 153 | |||
pelvis | 99% | 0.9 | 99% | 48 | 99% | 70 | 99% | 4 | 98% | 13 | 98% | 145 | |||
humerus | 86% | 0.14 | 86% | 86 | 95% | 77 | 90% | 18 | 91% | 13 | 88% | 198 | |||
radius | 89% | 0.14 | 80% | 93 | 95% | 78 | 91% | 17 | 91% | 15 | 90% | 194 | |||
tibia | 90% | 0.13 | 84% | 98 | 97% | 85 | 97% | 17 | 89% | 14 | 89% | 194 | |||
ulna | 88% | 0.18 | 86% | 99 | 97% | 75 | 95% | 16 | 92% | 6 | 85% | 187 | |||
100% | |||||||||||||||
ribcage | 99% | 0.40 | 99% | 50 | 99% | 57 | 99% | 5 | 99% | 32 | 99% | 153 | |||
pelvis | 99% | 0.8 | 99% | 48 | 99% | 68 | 99% | 3 | 99% | 14 | 98% | 139 | |||
humerus | 85% | 0.12 | 80% | 96 | 95% | 84 | 87% | 25 | 90% | 11 | 87% | 253 | |||
radius | 89% | 0.08 | 82% | 103 | 98% | 73 | 87% | 20 | 90% | 16 | 90% | 231 | |||
tibia | 90% | 0.05 | 80% | 98 | 97% | 82 | 97% | 25 | 94% | 14 | 91% | 256 | |||
ulna | 87% | 0.08 | 81% | 99 | 97% | 80 | 93% | 18 | 90% | 8 | 84% | 254 | |||