00
00
~,
M
. 0.31
~=100
0.6 [
_
-./
It=500
r,'
.
1_100~·
v
\.J
U.
~
M
t=500
~
02 I
~
~
I -
[
~ ~
.-d t = 1000
.
0.4
t=
1000
. , , , ~
- - - - ~
, U\~t~lS00
0.1
t = 1500
t = 2000
-:1
~~:= ~
::~=. ~
o
2
4
6
8
10
12
0
2
4
6
8
10
12
~
X
X
~
....,
'Tj
(C)
0.9
( /
--O---"(-7v---J"~-zI
0.9
:
f/= 100
~
: 0.8
U
0.8
::l
U 0.7
0.7
I
g0.6
0.6
~
n
05
0.5
~
O~
"0.4
t=~OO
8
0.3
0.3
I t = 500
g'
02
D.2
8,
0:1
0.1
/
~
o
0
t' "' "
o
2
4
6
8
10
12
n ? "
R
R
111
1?
Fig. 7a-d. Changes in longitudinal profiles ofe.v' a
NM =
0.5,
KjO =
0.1. b
N
M =
5,
KjO =
0.1. C
N
M =
0.5,
KjO =
10. d
N
M =
5,
KjO =
10
I -.l