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ý¶þ:
∞ ∞
k -k
0 ∑
-k
k
ρ
f( ασ )=(1-ασ )f( ασ )=2(1-ασ )Gu │ = α =A + Aσ + ∑ A σ (24)
k=1 k=1
õ(24) ^ A æ:jõôA:
k
2 2
k-3
2
2
2 k-2
α (1-α)[-3+(k+1)(1-α)]u -( α -1)α u (k ≥ 2)
v
δ
2 2 3
2u +2 α(2-α)u +(3 α-α)u (k=1)
δ
ε
v
A =iG 2 ( 25)
k
-2 α u -2 α u -( α +1)u (k=0)
v
δ
ε
α -k-1 (1-α)u (k ≤ -1)
2 2
δ
s
s
s
¢Ä 3.3 ¿^5¼¶{, Ð÷xhþ õ^:U 、U ¨ö8äå~7?±7Ð;τ r θ ′ 、
r
θ ′
s
íÐ8 η u, *1ÕTäå, ¥VС! σ r ¨ö8äå±7'E?~7'E;C、F¨ö8
r
4xØ'óã8 A′, @ A′=η A; *Õ äå*5Á?çÁ, :
k
k
k
2
Täå×, ñòÅC:Mäå¼T, ¢Ä³ Er (1-μ s )
1
C = ( 29)
2
[17], ÑäåMC:·N<%jöHôÝ8 EA(1-μ)
s s
(1-η )u, : 3 2 )
r Er(1-μ s
1
F = (30)
s EI(1-μ)
2
r
ε
r
u │ r=r 1 -u │ r=r 1 =(1-η )(-u + ss
2
ucos(2 θ ′)-usinθ ′) (26) õ^:A8äåøïüìÒ,m;I8äåø
δ v s s
s
õ^:u、u¨ö8C:?äå o′ 8^U~7Ð ïüelU o′ yºçw。
r
r
,m;r8äå%~,m。 RñòäåMC:¤ïT, ½5¼ev
1
[22]
¡¢ Flüegge "äåÐ - 'E"ó¶ 3jö, äåMC:·N'E"óôA:
s
þ( 5¼äå"v¯Ð÷X~): σ r │ r=r 1 =σ r │ r=r 1 (31)
2 s
s
2
dU θ ′ + dU s = -C(1-μ) s (27) τ r θ ′ │ r=r 1 =τ r θ ′ │ r=r 1 =0 (32)
r
1
2
s
d θ ′ d θ ′ E r τ r θ ′ õ^: σ r σ r ¨ö8C:?äå~7'E,MPa;
、
2 s
dU s r ( 4 s dU r s ) τ r θ ′ τ r θ ′ ¨ö8C:?äå±7'E,MPa。
C dU
s
、
s
θ ′
r
d θ ′ +U + F d θ ′ +2 d θ +U r * r=r, tõ(26)~(28) *(31)~
2
4
1
2
C(1-μ) s
= r σ r (28) (32) kZÀ¨6WâÏÈîZ8:
1
E
2
r (
U = 1+ F ) (1-η )(-u +ucos(2 θ ′)-usinθ ′+ F(1-μ) r σ r (33)
v
ε
1
δ
C E
=γ (h-rsin θ ′)。 ÑÈOõ(26) âÿ m
õ^: σ r 8C:?äå·NäåeC:'E, È8 σ r 1
2
F Fr (1-μ)
1
=1+ 、n= , «¶þ:
C E
=m(1-η )(-u +ucos(2 θ ′)-usinθ ′)+n γ (h-rsinθ ′) (34)
r
U│ r=r 1 ε δ v 1
½F, Ñõ(34) Åý¥ºÐ¡!opV{ê, <%¶þÅäåM;à3jöA¥ºÐ
4xØ'ó A″ Zjõ:
k
k-3
2 2 k-2
2 k-2
2 2
2
2
m α (1- α)[-3+(k+1)(1- α)]u(1- η )-m( α -1)α u(1- η )+(1- α)α nr γ (k ≥ 2)
v
1
δ
1
2
2
3
3
2u(1- η )+2 α(2- α)u(1- η )+(3 α- α)u(1- η )+(2 α- α - )nr γ (k=1)
δ
v
1
ε
A″=iG α (35)
k
-2 α mu(1- η )-2 α mu(1- η )-( α +1)mu(1- η ) (k=0)
2
ε
v
δ
m α -k-1 (1- α)u(1- η ) (k ≤-1)
2 2
δ
3.5 WâÑÒ^gh h׺¡;àÐ?'Ej«8¥ºå¨
ij[23]、[24] ¶{, XÞ»^, ÌS <, *ÈÆÇ<×, Ð÷xh>?;àÐ
TA;àã¼eЪ޻eÐ。Ð÷x j«¾¿8h。Í[, Ä!ªBC?5H{