Пвлов_PROCHNOST_2_FULL+PROTECTION
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, .
, - , ,
. - "
Ry . (.../ : "+
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10% "( .[8, .236]).
, - , − ,
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Rx,
( .1.1.1, ).
' , −
Rx , , ,
, Ry, . %
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"% # # & " '.
( " )*.
+ [2]
[8],
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!, ( +2) ( .1.1.2), n= 1,2,3,...,
α .
. ! Rx Ry
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Rx Ry |
( , |
) z.
# " :
. + i' i
( .1.1.2, i- ).
!.1.1.2
#
: − Rx Ry, − Rξ Rη ( .1.1.2,
). - ,
Rx Ry, Rξ , Rη
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Rξ i |
= Rxi cosα + Ryisinα ; |
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Rη i |
= −Rxisinα + Ryi cosα ; |
(1.1.1) |
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+ ", , i'- i-
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n :
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ix= δ ix; iy= δ iy. |
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(1.1.2) |
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i- x y.
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0 n+1. %
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δ |
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(1.1.3) |
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' ( . 1.1.2, )
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− δ |
η − , . . |
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δ x |
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cosα – δ |
η sinα ; |
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δ iy |
= δ iξ sinα + δ iη cos α . |
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'(1.1.2) (1.1.3) : |
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δ iξ cosα – |
δ iη sinα |
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(1.1.4) |
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δ iξ sinα + δ iη cosα |
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yi . |
'2n 2n Rx Ry.
% Rx Ry, , (1.1.4), .&
. +k-
: RξK=1 RηK=1, i-
δ ξik δ ηik .
ξ η . ,
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%, : |
y |
1 i- y |
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ik |
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δ ξ0i |
,δ η0i δ 0yi , : |
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δ iξ = δ ξ0 i |
+ Rξk δ ikξ ; |
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k=1 |
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δ iη |
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δ ikη ; |
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= δ |
0ηi + Rηk |
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(1.1.5) |
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k=1 |
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yi = y0 i |
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yik . |
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+ Ryk |
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k=1 |
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) (1.1.4) , |
R |
,Rη u Ry (1.1.5) |
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ξ |
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.%(1.1.1) (1.1.5) (1.1.1). |
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δ |
0ξ i |
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sinα ) δ ikξ |
cosα − |
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+ ( Rxk cosα +Ryk |
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k=1 |
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η |
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sinα +Ryk |
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η |
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− |
δ 0 i + ( − Rxk |
cosα ) δ ik |
sinα = 0; |
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k=1 |
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n |
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sinα ) δ ikξ |
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δ ξ0 i + ( Rxk |
cosα +Ryk |
sinα + |
(1.1.6) |
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k=1 |
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η |
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η |
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+ |
δ |
0 i |
+ ( − Rxk |
sinα + Ryk cosα ) δ ik |
cosα − |
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k=1 |
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− |
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+ Ryk |
ik |
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= 0. |
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k=1 |
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+ (1.1.6)
:
A11Ry1 +... + A1n Ryn + B11Rx1 +... + B1n Rxn + A10 = 0,
......................................................................................
(1.1.7)
An1Ry1 +... + Ann Ryn + Bn1Rx1 +... + Bnn Rxn + An0 = 0;
a11Ry1 + ... + a1n Ryn + b11Rx1 + ... + b1n Rxn |
+ €10 = 0, |
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(1.1.8) |
€n1Ry1 + ... + €nn Ryn + bn1Rx1 + ... + bnn Rxn |
+ |
n0 = 0, |
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": |
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Aik = sin α cosα (δ ikη − δ ikξ |
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Bik |
= − (δ ikξ |
cos2 α + δ ikη sin 2α ); |
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Ai 0 |
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ξ |
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= δ |
0 i |
sinα − δ 0 i cosα ; |
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(1.1.9) |
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= δ ikξ |
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α + δ ikη |
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iky |
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aik |
sin 2 |
cos2 α − |
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bik = sin α cosα (δ iξk − δ iηk |
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ai 0 |
ξ |
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η |
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= δ 0 i |
sinα + δ i 0 cos α − |
0 i . |
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$ aik = aki , bik = bki |
, Aik |
= Aki , Bik |
= Bki . |
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(1.1.9) i=k.
2 (1.1.7) (1.1.8) Rx Ry n
.!:
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Rx0 = Rx00 + Rxk R1x0k ; |
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k=1 |
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Rx ( n+1 ) = Rx0 ( n+1 ) + Rxk R1xk( n+1 ) ; |
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k=1 |
(1.1.10) |
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n |
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Ry 0 |
= Ry0 0 + Ryk R1yk0 ; |
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k=1 |
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Ry ( n+1 ) |
= Ry0 ( n+1 ) |
+ Ryk R1yk( n+1 ) . |
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k=1 |
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$ Rxk Ryk k- , 0 n+1
, 0 1k 1
. %: R0 |
y (n+1)- |
y ( n+1 ) |
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: R1 k |
x |
x 0 |
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, k- .
# , §1, ", ,
. + " ,
,
, [2]. 2
, ,
. + "
3-40,
.
!.1.1.3
2 " , ( . 1.1.3). #-16,
300 , 4 9 25. 2
26.
R ,
( /-/ ). '
,
, " ,
R H , .
$ R H ( )
. - H α R =22 ,
", . 1.1.3. 2
.
+ " # # ! " # )-40.
*, , 3-40,
. , 3-40
100% , |
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240 . |
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% , "
R, H S , , . 1.1.4. # a b a1 a2
. % σ a |
, σb |
, σ a |
σb |
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1 |
1 |
",
H , R, S .
#, , :
σ a = |
H |
+ |
lh |
R − |
lh |
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S |
σ b = |
H |
+ |
lh |
R + |
lh |
S |
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F 2JZ |
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2Jy |
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F 2Jz |
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2Jy |
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σ a |
= |
H |
− |
lh |
R − |
lh |
S |
σ a |
= |
H |
− |
lh |
R + |
lh |
S (1.1.11) |
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F 2Jz |
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2Jy |
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F 2Jz |
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2Jy |
$ F - ,
Jy , Jz - .
!.1.1.4
-
,
σ a + σ b + σ a |
+ σ b |
= |
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1 |
1 |
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σ a + σ b − σ a |
− σ b |
= |
4lh |
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2Jz |
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−σ a + σ b − σ a1 |
+ σ b1 |
= |
4lh |
S . |
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2Jy |
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# " σ a |
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σb |
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1 |
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H = F4 (σ a +σ b +σ a1 +σ b1 ),
R= |
J |
z |
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σ |
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+σ |
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−σ |
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−σ |
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2lh |
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a1 |
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S = |
J |
y |
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(−σ |
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+σ |
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−σ |
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+σ |
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% . 1.1.4 H R
α . %
". ! R
H 1.1.12 α = 90 . *
67% ,
90 . *
H ,
. - H =778 , R=908
S =20 .
, "# "# # .
( , ,
:
l |
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M ø = t pη ( ξ ä − ξ ø |
) dz. |
(1.1.13) |
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$ t pη 1 ,
;
ξä, ξø 1 |
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!.1.1.5
&
, . #, Rx ,
,
( .1.1.5, ). 0 Rx ,
.
, Rx
, .
+ M ,
" , . %
. 1.1.5, M ,
'-104, α. %-
,
[2].- :
l |
n+1 |
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m0 = t pη (ξ ä − ξ ø |
)dz+ Rxk Yk , |
(1.1.14) |
0 |
k=1 |
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(1.1.13), −
( ). +
, (1.1.13) α. 4