Biomedical Engineering Reference
In-Depth Information
Fig. 4.17 Comparison of experimental VE-foam material data with simulation output of a the
plate creep compression test and b the indenter creep test
Table 4.4 Viscoelastic material parameters of (a) HR-foam material and (b) VE-foam material
(a) HR-Foam
(b) VE-Foam
i
g
i
[-]
s
i
[s]
g
i
[-]
s
i
[s]
1
7.24667975E - 01
3.25926311E - 02
8.75210059E - 011
3.04977955E - 02
2
1.84600447E - 01
3.30006882E - 02
1.65049815E - 02
3.31426625E - 02
3
4.47104857E - 04
3.54360213E - 02
2.96531140E - 03
3.31507822E - 02
4
6.45458733E - 03
1.14841058E ? 01
6.74259944E - 03
3.31629693E - 02
5
2.32294746E - 03
2.53829859E ? 01
5.39636238E - 05
3.45422514E - 02
6
6.10180871E - 03
3.33137424E ? 02
6.09891345E - 04
4.17743063E - 02
7
2.70874935E - 05
8.67376118E ? 02
5.33865571E - 03
6.48041003E ? 00
8
1.14057742E - 02
1.51608158E ? 04
2.76623996E - 05
6.39260452E ? 01
9
1.48487191E - 03
1.04431232E ? 05
1.17596521E - 02
9.82654973E ? 01
10
6.24421232E - 03
1.28345490E ? 05
1.69491839E - 03
8.27818532E ? 02
11
-
-
5.54804608E - 03
1.40340976E ? 04
12
-
-
8.31304258E - 06
1.61072112E ? 04
13
-
-
4.07932404E - 07
1.97109187E ? 04
total
model
mass
to
25 kg.
The
model
was
placed
on
foam
samples
500 9 500 9 75 mm, Fig.
4.18
c.
In the modelling process, precise surface CAD-data of the physical buttocks
model was digitally collected using a three-dimensional full-body scanner
(V
ITUS
smart
X
XL
;V
ITRONIC
; Germany). Surface data was meshed with triangular 3-
