Civil Engineering Reference
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and are fed into and
4
at the expense of
, which decreases under the influence of . The
pressure/velocity gradient correlation terms therefore
cause the turbulence to become iso
tro
pi
c b
y
for
cing
the intensity values to approach equality
π
π
u
2
u
2
u
3
u
3
22
33
u
1
u
1
π
<
0
11
π
ii
.
u
1
u
1
=
u
2
u
2
=
u
3
u
3
Figure 2.1.
Inter-component transfer
The stress
u
2
u
2
produces
u
1
u
2
0
. Indeed, equation [2.2]
<
for
i
1
and
j
2
is written as
=
=
4 Indeed, these terms contribute positively to
Dt
and
Dt
Duu
22
/
Duu
33
/
through equations [2.7] and [2.8].
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