Table 1: FEA contact force and normal stress for 10-gram monofilament applied normal to the surface.

Epidermis-1000 kPa

 

FEA

Theory

   

FEA

Theory

 

Total Relative Strain Energy Norm error

Depth (mm)

Force (gF)

Force (gF)

%Error

 

Normal Stress (MPa)

Normal Stress (MPa)

%Error

0.025

1.64

1.68

1.96

 

0.041

0.042

3.31

1.89%

0.05

3.29

3.35

1.99

 

0.081

0.084

3.31

1.89%

0.075

4.93

5.03

1.98

 

0.122

0.126

3.31

1.89%

0.1

6.58

6.71

1.97

 

0.162

0.168

3.31

1.89%

0.125

8.22

8.38

1.97

 

0.203

0.209

3.31

1.89%

0.15

9.86

10.06

1.98

 

0.243

0.251

3.31

1.89%

0.175

11.51

11.74

1.94

 

0.284

0.293

3.31

1.89%

0.2

13.15

13.41

1.97

 

0.324

0.335

3.31

1.89%

0.225

14.79

15.09

2.00

 

0.364

0.377

3.34

1.89%

0.25

16.44

16.77

1.96

 

0.405

0.419

3.34

1.89%

0.275

18.08

18.44

1.98

 

0.445

0.461

3.34

1.89%

0.3

19.72

20.12

2.00

 

0.486

0.503

3.33

1.89%