Пвлов_PROCHNOST_2_FULL+PROTECTION
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# # $.1. 2. $
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( .2.3.2) ( . .) 34
ξ .
. . . .
rM = r + ξ − ξ |
(2.3.2) |
' ( . . )
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+ ( ξ ) |
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r0 = r0 + ( 0ξ 0 )
" . . . ., ,
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# '.
*. 2.3.2
) m m0 - ( #),
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= m rM , |
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ϕ , |
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m = m dξ , |
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b |
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b0 |
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m - ( , )
jzm = m ξ dξ , jzm0 = m0ξ 0dξ 0 .
b |
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5 # '
(2.2.3)
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Mxi = (tya − my )dzdz + δkRyk (zk − zi ), |
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zi |
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Myi |
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− zi ), |
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Mzi = (mz |
− jz |
ϕ )− (tx |
− mx)(y − yzi ) + (ty |
− my )(x − xzi ) dz − |
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− |
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M , |
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Qxi = (txa − mx)dz + δkRxk |
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, # .
! ' #.
" (2.3.5), ' #
zi = 0 , (2.2.5),
(-( # (2.1.3),
(2.1.7) x, y ,z æx ,æy,6z (2.1.5),
#, ' '
. 5 '
# # -
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F |
(x,x,x,p) = 0 |
(2.3.6) |
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x = (α,β ,ϕ,α 0,β 0,ϕ 0,c). |
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#
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0 ' δ0 = 0 # ' #
. % τ1 = τ 0 + τ
,
# |
τ . |
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∂ |
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−1 ∂ |
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7 δ x |
= − |
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(x,τ 0 ) |
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F |
(x,τ 0 )δτ , |
x1 = x0 |
+ δ x . |
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∂x |
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∂τ |
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. "
% ':
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(Xτ i−1 |
− Xτ i− 2 )(τ i −τ i−1 ) |
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Xτ i |
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+ |
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+ |
[Xτ i−1 (τ i− 2 |
−τ i−1 )− |
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τ i−1 −τ i− 2 |
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− Xτ i− 2 (τ i−3 −τ i−1 )+ Xτ i−3 (τ i−1 −τ i− 2 )]× |
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× |
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(τ i −τ i−1 )(τ i−1 −τ i− 2 ) |
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(τ i−1 −τ i− 2 )(τ i− 2 −τ i−3 )(τ i−1 −τ i−3 ) |
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Xτ i Xτ
", :
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τ |
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Xτ i = |
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(Xτ i |
− Xτ i−1 )− 2Xτ i−1 − |
Xτ i−1 ; |
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Xτ i = |
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(Xτ i |
− Xτ i−1 )− |
Xτ i−1 − 2Xτ i−1 . |
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* % '-(. % . 2.3.3
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* 2.3.3
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0,0 |
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0,2 |
0,3 |
0,4 |
0,5 |
0,6 |
0,7 |
0,8 |
0,9 |
1,0 |
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EIx·10-3 |
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%· 2 |
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482 |
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