| |||
|
.
, , :
I = kmR2, (1)
m R - ;
k , .
k = 1, k = 1 / 2, k = 2 / 5.
, :
I I , ,
|
, :
I = I1 + I2 + I3 + ... + IN. (3)
. :
M = Ie, (4)
; e .
:
(4)
.
, 1 2. () . 3, 4 . 5 (. 61.1).
j ( ) , :
= - bj, (6)
b .
, (5) (6)
, (7)
1 2
5 3 4
.61.1.
I .
|
j0 w. (wt + a) , a , j t = 0.
|
|
j t (7),
- I w2 j0 cos (wt + a) = - b j0 cos (wt +a),
,
T:
,
, (8)
I .
, T, :
. (9)
(8) (9), :
.
, Ix ,
,
Ix = .
b I, :
|
1. (j 90) t (n = 5 ¸ 6). 0. .
2. , . . .
. 1 0 T.
1
, n | |||||
t, c | T0, c | t, c | T, c | ||
3. , , . Ix. ; . 2.
2
n | t, c | T, c | Ix, ×2 | |
4. . . 3.
5. , (1) . . 3.
3
m, | R, | Ix, ×2 (1) | Ix , ×2 .2 | ||
6. , . t . . Ix , . 3. . 4.
4
n | t, c | T, c | (10) Ix ×2 | |
: Ix = Ix1 + Ix2 |
|
|
7. . , . (10). . . . , Ix . 3. . 5.
5
n | t, c | T, c | (10), Ix ×2 | |
(2): I = .. |
8. T0, T, 1, 2:
D T0 ; D T, D 1, D 2.
, D 0 = a×S.
a ;
S , :
,
n .
. 1 [3]. D T, D 1, D 2.
9. dI 1 2 :
, (11)
D m - ;
D R , , .
1. ?
2. , ?
3. .
4. .
5. .
1. . . : 3- . .: , 1987. . 1, 432 .
2. . . 60 - 63. - .: . , 1976. - . .
3. . / .., .., .. .; . . ... - .: , 1995. - 38 .
63