Biomedical Engineering Reference
In-Depth Information
Fig. 7.59 Tissue stress distribution S
11
,S
33
and S
12
and
VON
M
ISES
equivalent stress in the
sagittal plane in the pelvic region employing a male Boss-Model: a prior to and b after seat
surface optimization
7.3.1.2 Surface Seat Cushion Contour in the Sagittal Plane
Figure
7.57
a depicts the initial unloaded non-optimized surface contour in the
sagittal plane of car seat 'B' and, Fig.
7.57
b depicts the deformed tissue and seat
materials under gravitational body weight loading as a result of the mechanical
interaction of 'E-BCSS-3' in terms of a S
22
stress contour plot. Again, maximum
tissue
stress
occurred
underneath
the
ischial
tuberosity.
Application
of
the
