f
h 20
− 2
b f 2
R h h
L
φ
R L 4 φ ! 4
+ 0
2 ! 2
b 2 φ
h
1−
Thickness
=
) cosφ
φ or, after using a Taylor’s series expansion, for small φ Prof. Ramesh Singh, Notes by Dr. Singh/ Dr. Colton
cos from the definition of a circular segment
1− 2 φ
( ⋅
⋅ R
2R +
+ f
h
f
h =
= h
h