Civil Engineering Reference
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Figure 5.32.
Evolution of the energy for a fixed stable streak (
) in
normal mode, and subject to transient disturbance [5.88]. This figure is
adapted from [SCH 02]
θ
=°
45
20
Figure 5.33.
Evolution of energy for a fixed unstable streak (
) in
normal mode, and subject to transient disturbance [5.88]. This figure is
adapted from [SCH 02]
θ
=°
56
20
We can see rapid transient growth at , which
reflects a property typical of bypass transition. It is
interesting to note that the energy increases exponentially
a posteriori
, with and a slope which is
practically identical to the growth in normal mode. The
t
+
≤
20
(
)
at
+
log
E
∝
a
tot
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