b h ( 2.1).
2.1
.
. [4,9,10]
(2.1)
ω(, , t) , D ρ .
ω(x,y,t)=W(x,y)eiωh
ω , (2.1) :
(2.2)
(2.3)
f, 0, 0, λx, λy . (2.2)
(2.4)
. : f, 0, 0, λx, λy, f . , (2.3) , λx, λyb , .
= 0 :
(2.5)
(2.3)
,
(2.6)
(2.5)
, , . (2.3) ; , , :
(2.6) .
, 32~12 + 22 , , (2.1)
= λ. β=1 . (β= 0) . , .
, (2.6) (0)=′(0)=0;
2+3=0,
(2.7)
,
,
(2.8)
(2.8), .
(2.9)
,
|
|
(2.10)
2.2 2.3. β=1, μ=0,25.
2.2
2.2 . .
. :
,
() ;
X(0) = 0,
(2.6),
C2+C3=0
(2.11)
(2.7) ,
(2.12)
→0 (2.11) (2.12) ; →+∞ (2.7).
, . , , , .
, σ f , . ,
(2.13)
λ, λ,: m, n.
(2.14)
f mn , , smn .
, λ, λ . , .
, , , . . (),
β= λ/λ.
= 0 ,, (2.3).
. ( )
..
, (2.15)
( )
, (2.16)
, (2.15) (2.16).
λ, λ. , (2.4).
, , , λ<<, λ<<b.
, , .
. (λ→∞, β→0). ,
|
|
(m=1,2,) (2.17)
(m=1,2,) (2.18)
. m= 1 4,7302=22,373, (2.18) 3,1422. 1,5002 = 22,207 1 %.
=b. , λ=λ
(2.15) (2.16)
,
(m=1,2,)
m , .
(m=1,2,) (2.19)
. (2.15) (2.16) , β= λ/λ
.
(m=1,2,) (2.20)
. m n
(2.21)
, , , , . α
, , , . .
2.1
m | n | βx | a/λx | a/λy | α | % | |
1,0000 | 4/3 | 4/3 | 3,556 | 3,646 | 2,53 | ||
2,0265 | 2,4372 | 1,2027 | 7,386 | 7,437 | 0,69 | ||
1,0000 | 7/3 | 7/3 | 10,889 | 10,965 | 0,70 | ||
3,0375 | 3,4688 | 1,1420 | 13,337 | 13,396 | 0,42 | ||
1,5079 | 3,4012 | 2,2556 | 16,656 | 16,717 | 0,37 | ||
1,0000 | 10/3 | 10/3 | 22,222 | - | - | ||
4,0432 | 4,4816 | 1,1084 | 21,313 | - | - | ||
2,0132 | 4,4366 | 2,2038 | 24,540 | 24,631 | 0,36 | ||
1,3370 | 4,3822 | 3,2784 | 29,960 | - | - | ||
1,0000 | 13/3 | 13/3 | 37,556 | - | - |