, . : , .
. , , .
, , . , .
, (. 2.3, , , ) - , - , .
, . , , . .
)
) )
. 2.3.
. (. 2.3, ) , 1 4 . , 2, 2, 1, 1, .. . 3, 4, 4, .. w3 = w4. , , , , , w3, - . - .
2 1. , 2 () () 2 :
(2.6)
, 3 . 3 4 , 3 : 4, 3 ( 4), 3 4 3 4 - , ..:
|
|
(2.7)
4 , 4. , ? () 4 w4 .
(2.6) (2.7) () (. 2.3, ). v pv () , VCB. .
pv (. 2.3, ) pvc4 = (). ( 4) , D, . , . ,
Vc = (pvc) v.
: VCB - bc - C4C. :
, (2.8)
V - bc .
, . S 2 VB , Vc :
} (2.9)
, S - VS.
, csb CSB 90. .
. , (. 2.3, , ) , . , . 2 , .. 1, .. , 3 , .. 4 , .. e3=e4.
2 3 . , 2 3. 2 - 3 4, :
} (2.10)
(2.10) . (. 2.3, ) . (). n 2 ; , (. 2.3, ), :
|
|
(2.11)
b .
n bn . (. 2.3, ) :
( ):
(2.12)
(). 4 90
- 4. , , .. . C.
(/2) (/2). 2 :
e (2.13)
e2 nc 2 .
, 2 3. , S 2. bc csb, CSB 2, . S , pas, S:as = (pas)
. . , . S=S(t) S=S(j) , , , - - (2.5), - (2.3).
(2.3) j1 ( ), , , . i- :
,
.. i- wi wi . (2.3) , , w2 (. 2.2) 3 - u30=u:
(2.17)
w2 (2.17):
, (2.4), u:
(2.18)
(2.3) , , i- , w12. , w1= const, e2
(2.19)
(2.19) :
.
, . , l £ 1/3, , . Sc (. 2.2):
|
|
Sc = l1 + l2 - Xc, (2.5) :
(2.20)
, (2.20) , :
(2.21)
u :
u @ w1l1 (sinj1 + l/2 sin 2j1) (2.22)
a @ w12l1 (cosj1 + lcos 2j1) (2.23)