Geology Reference
In-Depth Information
For ν =
3, we have η = α +
2 and the eigenvalue η =
n results in a singular
coe
cient matrix in the system (3.158) for α =
n
2. For η =
n ,wehave
2 n n ( n
n 2
1 μ ,
p 1 ( n )
=
+
2)λ +
+
2 n
(3.171)
2 n ( n +
n 2
1 μ ,
r 1 ( n )
=
2)λ +
+
2 n
(3.172)
p 2 ( n )
=
n ( n
+
5)
+
n ( n
+
3)λ/μ,
(3.173)
r 2 ( n )
=
n
+
5
+
( n
+
3)λ/μ.
(3.174)
Thus, the left side of the second equation in the system (3.158) is just n times the
left side of the fourth equation. Again, A 3,1
2 and, substituting
from (3.170) for A 6,1 , the right side of the second equation becomes
ρ 0 n γ ω
=
A 1,1 / n for α =
n
2 m ω Ω / n A 1,1
nA 5,2 ,
2
+
(3.175)
while the right side of the fourth equation becomes
ρ 0 n γ ω
2 m ω Ω / n A 1,1 / n
A 5,2 .
2
+
(3.176)
Thus, the whole of the second equation in the system (3.158) is just n times the
fourth. Dropping the fourth equation, and replacing A 3,1 by A 1,1 / n ,forα =
n
2,
the system can be rearranged to
01 q 1 ( n )
00
A 1,3
A 2,2
A 3,3
p 1 ( n )/ρ 0
10 n
q 2 ( n ) A 4,2
( 3
2 m ω Ω / n A 1,1 A 6,1 p 2 ( n ) A 4,2 0
A 4,2
2
2
=
n ) γ + ω
+
Ω
. (3.177)
2
Given the three free constants A 1,1 and A 6,1 ,forα =
n
2and A 4,2 ,forα =
n ,the
second equation of this system yields,
p 2 ( n )
p 1 ( n ) A 4,2
+
A 3,3
=
p 1 ( n ) (3
A 6,1 .
2 m ω Ω / n A 1,1
ρ 0
2
2
n + ω
+
2
Ω
+
(3.178)
Then, the first equation of the system gives
A 2,2
=−
q 1 ( n ) A 3,3
+
q 2 ( n ) A 4,2 ,
(3.179)
and the third equation gives
1
μ
A 1,3
=−
nA 3,3
+
A 4,2 .
(3.180)
 
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