, , .
[2]:
1) , ;
2) , ;
3) , .
:
1) , , - ;
2) , , .
, . , , , , (hc).
, , .. , 0,5 . , 3-5 , ( ) 1,5 [2].
, , .
. , . -, , (.6).
. 6. . ; I-I; 1 - ; 2- ; 3 - -.
, , , , . , , . .
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. , ( )
(.7).
. 7. . - ; - I-I; 1 - ; 2 - ; 3 - .
, . ( ) , .
. , , , , , , , . ( ), .
() . , . , , (.8).
. 8. . ; I-I; 1 ; 2 ; 3 .
. , . , .
6.1.2
. , : , .. .
, , .
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. , . [18].
(41)
K , e .
.
,
:
(42)
1 2 , ( ) (.9):
. 9. . h ; L ho ,
1) h(0) = h x = 0 2) h(L) = h x = L, .. h(0) = h(L)
1- ,
C2 = , (43)
2- -
C1 = (44)
(43) (44) (42), , ( ) :
(45)
h = (46)
( ) (x = L/2). (46):
(47)
, h0, (47), , , L, :
L = (48)
, , ( )
q = e L (49)
, l,
Q = q l = e L l (50)
. , ,
, r.
, , r [12]:
r = , (51)
F ; :
r = , (52)
h , 1,05 ( b/a = 0,05) 1,17 ( b/a = 0,5); b a .
Q :
Q = (53)
T , S , R .
R [12]. R(t)
R(t) = (54)
a* .
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.
1. (53), S , .
2. , Q.
3. n, ( ):
n = Q / Q
4. , (, ) .
. . , ( ), ( ), ( ). [15].
( ) H. H q [22].
H = H + q L / T, (55)
L , - ; H ; T .
(55) h h.:
, (56)
(55) T =0,5K(h + h), K ..
, d, s ,
L = s f f = , (57)
f .
L = , (58)
m , d . . d [22]
d = 0,56P , (59)
P .
. , , s, - .
.
1. H q, q=Q/s.
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2. , .
3. .
4. , H () H, . , , . , , , , , .