:
-
- .
. 5 8 . , .
3 5 .
1. F ... () . , .
F ... = (φ 2 - φ 2) ∙ r,
r .
φ 2 = φ 1 ∙ z1/z2,
φ 1 .
2. F r .
F = F′ 1 + F′ 2 .
( ):
φ = 2π ∙ z1/,
z1 .
.
4. F ′ r 1
.
1) F r 1 .
.
2) F kr .
F kr = (φ - φ)∙r
φ , -.
φ = k 2π/z -.
Fr F hkr .
1. Fvwr .
Fvwr = Wmax - Wmin
W , .
, ( ) :
n = z + 0,5/9
Fvw .
2. Fcr , , .
|
|
.
, .
Fc.. .
3. Frr ( ) , .
- Fr
- .
4. 1 F r " 1 ( 2, 3 ) .
z1
z2
.
F"