Biomedical Engineering Reference
In-Depth Information
Fig. 4.20 Comparison of experimental VE-foam material data with simulation output: a zoomed
time range: 0-30 s and b time range: 0-10,000 s
the use of experimental data points in the overstress branches of the test curve
seem more appropriate for material representation. These may then serve as the
basis for the parameter optimization process.
4.2.2 Polymeric Soft Foams for Seating Systems
In the following, the presented approach in
Sect. 4.2.1
for material characterization
is employed to identify materials (here: foam and fibre composite materials) used
in automotive and airplane seating (cf.
Sects. 4.2.2.1
and
4.2.2.2
). Again, all
presented tests have been modelled via FEM to perform material characterization
(cf. outlines in regard to Fig.
4.11
).
4.2.2.1 Car Seat Materials
In Fig.
4.21
a, b and c the experimental findings of the plate and the indenter
compression test and the plate creep test, Fig.
4.21
d of the car seat materials
depicted in Fig.
6.35
a are shown in comparison to simulated output based on the
material parameters of equilibrium elasticity according to (
3.274
). In this regard,
