FIGURE S1. Map of Von Mises stress distribution in the 12 meshes of Chlamyphorus truncates obtained when evaluating the influence of size of the elements in the mesh.

sup 1 

FIGURE S2. Map of Von Mises stress distribution in the six meshes of Chlamyphorus truncates obtained when evaluating the influence of the homogeneity of the mesh.

 supp 2

FIGURE S3. Map of Von Mises stress distribution in the 20 FEA models of Cingulata mandibles.

 sup 3

TABLE S1. Nodes of the model and values obtained for the 12 different meshes of Chlamyphorus truncates when varying the overall element size of: Arithmetic Mean (AM), Mesh-Weighted Arithmetic Mean (MWAM), Median (M), Mesh-Weighted Median (MWM), Percentage Error of the Arithmetic Mean (PEofAM) and Percentage Error of the Median (PEofM).

  Overall Element Size
[mm]
Nodes AM
[MPa]
MWAM
[MPa]
M
[MPa]
MWM
[MPa]
PEofAM
[%]
PEofM
(%)
1 5 255 1.310E-02 1.227E-02 8.33E-03 8.74E-03 6.75 4.96
2 2 328 1.218E-02 1.234E-02 8.18E-03 7.46E-03 1.29 8.79
3 1 477 1.281E-02 1.285E-02 8.98E-03 8.39E-03 0.29 6.56
4 0.75 612 1.265E-02 1.292E-02 8.96E-03 7.84E-03 2.06 12.45
5 0.5 946 1.204E-02 1.300E-02 9.08E-03 7.96E-03 7.33 12.34
6 0.25 2619 1.253E-02 1.304E-02 9.29E-03 8.79E-03 3.96 5.43
7 0.1 13013 1.286E-02 1.308E-02 9.55E-03 9.32E-03 1.72 2.48
8 0.075 22525 1.301E-02 1.310E-02 9.59E-03 9.43E-03 0.71 1.72
9 0.05 48557 1.300E-02 1.313E-02 9.61E-03 9.31E-03 0.96 3.09
10 0.025 191368 1.308E-02 1.318E-02 9.63E-03 9.29E-03 0.71 3.53
11 0.02 298366 1.308E-02 1.319E-02 9.65E-03 9.22E-03 0.88 4.44
12 0.015 528034 1.311E-02 1.321E-02 9.65E-03 9.27E-03 0.73 3.93

 

TABLE S2. Per cent relative error (ε[%]) obtained for the convergence of 12 different meshes of Chlamyphorus truncates when varying the overall element size of Arithmetic Mean (AM), Mesh-Weighted Arithmetic Mean (MWAM), Median (M) and Mesh-Weighted Median (MWM).

  AM
[%]
MWAM
[%]
M
[%]
MWM
[%]
1 - - - -
2 6.96 0.62 1.80 14.67
3 5.15 4.09 9.75 12.42
4 1.23 0.55 0.23 6.51
5 4.82 0.60 1.40 1.53
6 4.00 0.34 2.31 10.37
7 2.63 0.30 2.83 6.04
8 1.19 0.16 0.42 1.20
9 0.03 0.22 0.12 1.27
10 0.62 0.36 0.28 0.18
11 0.06 0.11 0.18 0.77
12 0.24 0.10 0.04 0.57

 

TABLE S3. Nodes of the model and values obtained for the six different meshes of Chlamyphorus truncates when varying the homogeneity of the mesh of: Arithmetic Mean (AM), Mesh-Weighted Arithmetic Mean (MWAM), Median (M), Mesh-Weighted Median (MWM), Percentage Error of the Arithmetic Mean (PEofAM) and Percentage Error of the Median (PEofM). Refined Area is the percent value of area with homogeneous mesh.

  Refined Area
[%]
Nodes AM
[MPa]
MWAM
[MPa]
M
[MPa]
MWM
[MPa]
PEofAM
[%]
PEofM
(%)
1 0.00 477 1.28E-02 1.28E-02 8.98E-03 8.39E-03 0.29 6.56
2 7.20 2173 1.68E-02 1.29E-02 1.44E-02 1.66E-02 30.37 15.14
3 23.38 5644 1.27E-02 1.29E-02 1.19E-02 1.23E-02 1.27 3.82
4 47.16 11029 1.01E-02 1.29E-02 9.93E-03 9.93E-03 21.89 0.01
5 69.98 18145 1.32E-02 1.31E-02 9.60E-03 9.53E-03 0.54 0.65
6 100.00 22526 1.30E-02 1.31E-02 9.59E-03 9.43E-03 0.70 1.72

 

TABLE S4. Per cent relative error (ε[%]) obtained for the convergence of 12 different meshes of Chlamyphorus truncates when varying the homogeneity of the mesh of Arithmetic Mean (AM), Mesh-Weighted Arithmetic Mean (MWAM), Median (M) and Mesh-Weighted Median (MWM).

  AM
[%]
MWAM
[%]
M
[%]
MWM
[%]
1 - - - -
2 26.94 0.01 51.37 110.28
3 19.88 0.28 12.15 32.97
4 19.59 0.34 13.70 13.85
5 27.08 1.24 5.91 5.65
6 2.17 0.09 0.71 1.23