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with
=
w
θ
V
m
m
m
]
T
z
[
m
m
U
ww
U
wθ
U
w
V
U
w
m
U
θw
U
U
U
θ
θθ
θ
V
m
U
i
=
U
V
w
U
V
θ
U
VV
U
Vm
U
m
w
U
m
θ
U
mV
U
mm
and
=
w
m
0
m
T
z
i
0
m
0
m
V
m
θ
or
0
m
w
(
x
)
U
U
U
U
w
(
)
w
(
)
x
0
ww
wθ
w
V
w
m
m
m
=
+
0
m
U
U
U
U
θ
(
x
)
θ
(
x
)
θ
(
0
)
θw
θθ
θ
V
θ
m
m
m
(3)
U
V
w
U
V
θ
U
VV
U
Vm
V
m
(
x
)
V
m
(
0
)
V
m
(
x
)
U
m
w
U
m
θ
U
mV
U
mm
m
m
(
x
)
m
m
(
0
)
m
0
m
(
x
)
m
L
y
,
in which, with
β
m
=
U
ww
=−
β
(
−
ν)
2
1
m
β
+
β
x
sinh
m
x
cosh
m
x
β
m
x
1
2
sinh
β
m
x
β
m
U
wθ
=−
(
1
+
ν)
+
(
1
−
ν)
x
cosh
sinh
m
x
1
2
K
β
m
x
U
w
V
=
−
x
cosh
β
β
m
β
m
x
sinh
β
m
x
U
=−
w
m
2
K
β
m
β
m
x
θw
=−
β
m
2
sinh
β
m
x
U
(
1
+
ν)
−
(
1
−
ν)
x
cosh
β
m
U
θθ
=
β
(
1
−
ν)
m
x
sinh
β
m
x
+
cosh
β
m
x
2
x
sinh
β
m
x
U
=
θ
V
2
K
β
m
sinh
m
x
1
2
K
β
m
x
U
=
+
x
cosh
β
θ
m
β
m
β
m
x
m
K
β
sinh
β
m
x
β
m
2
2
x
cosh
U
V
w
=
(
3
−
2
ν
−
ν
)
−
(
1
−
ν)
2
m
2
K
β
(
1
−
ν)
U
V
θ
=−
[
x
sinh
β
m
x
]
2
U
VV
=−
β
m
(
1
−
ν)
2
x
sinh
β
m
x
+
cosh
β
m
x
m
x
m
2
=
β
sinh
β
m
x
U
Vm
(
1
+
ν)
−
(
1
−
ν)
x
cosh
β
β
m
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