Biomedical Engineering Reference
In-Depth Information
Fig. 9 Along-the-chord modulus E
eq
(left) and dimensionless amplitude variation H
ð
e
F
Þ=
H
max
;
o
(right) vs. the fiber along-the-chord nominal strain e
F
for different reference centerline curves.
Parameters: r
F
=
L
o
¼
0
:
025, L
o
¼
100 lm, v
¼
0
:
1
;
x
¼
4
Fig. 10 Influence of the aspect ratios H
o
=
L
o
and r
F
=
L
o
on the fiber mechanical response. Left:
Along-the-chord modulus E
eq
at e
F
¼
0, normalized with respect to the initial fibril modulus
E
f
ð
0
Þ
for different reference centerline geometries (x
¼
0: continuous line; x
¼
8: dotted line).
Right: Along-the-chord modulus E
eq
normalized with respect to the fibril modulus E
f
ð
e
f
Þ
vs. the
nominal fiber strain e
F
for x
¼
4. Parameters: L
o
¼
100 lm, v
¼
0
:
1
transversally isotropic behavior with the symmetry axis coincident to the fiber-
chord direction t. Due to the small values of the fiber flexural stiffness and of E
M
[
9
], the Poisson ratio (m
F
), the tangent tensile (E
F
) and the shear (G
F
) elastic moduli
of an equivalent fiber within the tissue are represented by:
E
F
;
L
ð
e
F
Þ¼
E
eq
ð
e
F
Þ;
E
F
;
T
¼
E
M
;
ð
21
Þ
Search WWH ::
Custom Search