170
H. Ma et al.
Fig. 7.10 The critical
compressive stress for
wrinkling [52]. (Color figure
online)
0
200
400
600
800
1000
0
10
20
30
40
50
Stiffness ratio, E f
/E
s
Wrinkle wavelength,
e
/h
0
0.02
0.04
0.06
0.08
0.1
0
2
4
6
8
10
Film strain, 0
Wrinkle amplitude, A
e
/h
E
f
/E
s
= 10
4
E
f
/E
s
= 10
3
H. Ma et al.
Fig. 7.10 The critical
compressive stress for
wrinkling [52]. (Color figure
online)
0
200
400
600
800
1000
0
10
20
30
40
50
Stiffness ratio, E f
/E
s
Wrinkle wavelength,
e
/h
0
0.02
0.04
0.06
0.08
0.1
0
2
4
6
8
10
Film strain, 0
Wrinkle amplitude, A
e
/h
E
f
/E
s
= 10
4
E
f
/E
s
= 10
3