Page 175 - 《水资源与水工程学报》2023年第1期
P. 175
! 1# opq, <: rRs./DtuvYíÄd0BC 1 1
7
ú:R ¾E2 gÚ| OB T¿,m; β 1 ¾Ìô 2.4 äq÷U ±H³
1
¿dQ, JE 2 ∠DOBQ¿,(°)。 j¤Ö\Ä c Á
Þe»º, µfX
Þe:
h, `s}PH M ³\ú¾:
c
β 2
c [
M =c ∫ 0 -2 ψβ
Re sinβ ( ψ cos β+sinβ )d β+
β 1
β 2
-2 ψβ
Re cos β (cos β-ψ sinβ )d] β
∫ 0
β 1
(14)
2.5 [ÁuúU ±H³
ueÕÝ Q»º
E 2 EC n», µfl
fv, `s}PH M ³\ú¾:
Q
G 3 ÕsßVH·©j n |
1
M = Q(Rsinβ 2 -Rsinβ 1 -Htanω )·
2.2 'Ót÷U ±H³ Q 2 2 1
MÒÄlo
Þeh¿, `s}PH (Rsinβ 2 +Rsinβ 1 +Htanω ) (15)
2
1
M s³\ú¾: 2.6 oN'ÐÌÍ1v ±H³gw
σ
β 2 ¾äáÇ ·¬Z%ÇOÞj
σ ∫
-2 ψβ
s
M s = σRe cos β (-ψ cos β+sinβ )d β-
0
¬Ä6Á, ±å
ÇÁ{*/1E 2
β 1
β 2
∫ s 0 -2 ψβ (8) AEJF n»s}PHít, <Äs}Íú
σRe sinβ (cos β-ψ sinβ )d β
β 1
(2) ±Û§ AEJFn»MÒÄÄ、 j¤
s
`: σ ¾MÒÄ, `6ÁÍú¾ [18] :
:、 Ö\ÄëfueÕÝÌ O ;s}PHst。 `
q - αγ w (z+z 0 ) q
ln[(1+ )e - ] AGF n»Þ¾X<
ÞzC.]:ð
k k
s
s
s
σ = n n-1 9
Þþ, `PHst6Á<\XÍú(8)~(15)
( { [ q - αγ w (z+z 0 ) q ]} ) n
α1+ -ln(1+ )e - 、M 、M ,
k k :ð, »û|¾ M s -AGF W-AGF c-AGF M Q-AE 6
σ
s s
、
Á ±§<ú:5jô β 1 β 2 f β C ̯¾
(9)
,
、
β E β F f β G #Íú(16)~(19) 3。
ú: β 2 ¾Ìô¿®Q, JE 2∠DOA
(
Q¿,(°)。 β E =acot Rcos β 1 -H ) (16)
1
B +Htanω+Rsinβ 1
1
adj
2.3 Õ{pãU ±H³
- ψβ F -B -Htanω-R =0 (17)
0
j¤:Ï)¹:¿, µflfv, `s} Re sinβ F adj 1
- ψβ F =0 (18)
PH M ³\ú¾: Re cos β F -H -Rcos β 2
2
0
adj
W
β C R β 2 R ( Rcos β 1 -H )
1
W ∫∫
2
M = γ ′rsinβ drd β+ ∫∫ 2 β G =acot - ψβ F (19)
γ ′rsinβ drd β
0
β 1 d 1 β C d 2 Re sinβ F
(10) EJFG
Þþ¾H., ±6ÁÀn»j¤)¹
:Ì; OPHst, 6ÁÍú¾:
ú: β C ¾E2 ∠COD Q¿,(°);d d»û
1
2
R 2 cos β 2
¾Ìô¿gÚ|X BC AC³eN;¨; O M = 1 ∫ +B +
W-EJFG γ ′(z)(Rcos β 2 adj
2
2 R cos β F
CD,m;r ¾v»pq ABC6Á;¨; OC F
)dz (20)
Htanω+Rcos β 1
D,m。 1
§PHstn»²[Íú(2) k¨äáÇ
、d、d 6ÁÍú¾:
β C 1 2
<Äs}µ&:
(
B =acot Rcos β 1 -H ) (11)
1
C M =(M s -M s -AGF )+(M -M -M )
P a σ σ W W-AGF W-EJFG
1
Htanω+Rsinβ 1
-(M -M )+(M -M ) (21)
+ω ) c c-AGF Q Q-AE
Rsin( β 1
2
d = ( 12)
1
sin( β+ω ) ø
M 6ÁÇOÞj¬Ä¥ô K, Þ§ K a
a
P a
k¾ β 1 β 2 Ûô, ´7OÞj¬Ä½_, ÊË
1
Rcos β 2
d = (13)
2
cos β Ì β 1 β 2 ·¸àúÚ½øð
Þe, 6Á¦
ú:R ¾E 2 gÚ| OAT¿,m。 ¯£2» K giá, JÞ=½}"OÞj¬Ä¥
a
2