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Costal Inlets Research Program
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> Fig. 11. Sensitivity of run-up length to changes in the relative magnitude of yh yh
Fig. 9. Measured (dashed lines) and simulated (solid lines) run-up lengths with swash interaction. (N.B. Vertical scale differs between panels).
Conclusions - Swash_Erikson-etal0016
Swash_Erikson-etal
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L.
Erikson
et
al.
/
Coastal
Engineering
52 (2005)
285302
299
0.6
1
0.9
0.5
0.8
C1
B8
0.7
0.4
0.6
0.3
0.5
0.4
0.2
0.3
0.2
0.1
0.1
0
0
0
2
4
6
8
10
12
14
16
0
2
4
6
8
10
12
14
16
Time
(s)
Time
(s)
1.6
1
1.4
B9
B10
1.2
0.8
1
0.6
0.8
0.6
0.4
0.4
0.2
0.2
0
0
0
2
4
6
8
10
12
14
16
0
2
4
6
8
10
12
14
16
Time
(s)
Time
(s)
Fig.
10.
Measured
(dashed
lines)
and
simulated
(solid
lines) run-up
lengths
without
swash
interaction.
(N.B.
Vertical
scale
differs
between
panels).
The
potential
for
swash
interaction
can
be
checked
theoretically
by
comparing
Eq.
(12)
with
the
incident
wave
period.
Table
3
lists the results
using
u
0
calculated
with
measured yh
u
and
yh
b
,
2.4
maximum
wave
height
at the
SWS,
and
the
friction
2.2
C1
factor,
f, calculated
with
Eq.
(7).
The
total
swash
2.0
B8
duration
is
nearly
twice
the
incident
wave
period
for
1.8
B9
the
cases
with
tanb
=0.07,
suggesting a
high
degree of
B10
1.6
1.4
1.2
1.0
Table 2
0.8
Comparison of
measured
and
simulated
run-up
0.6
Case
x
mm
With
swash
interaction
Without
swash
interaction
0.4
(m)
x
mc
%
rmse
x
mc
%
rmse
0.2
(m)
Error
(m)
(m)
Error
(m)
0.0
0.4
0.5
0.6
0.7
0.8
0.9
1.0
C1
0.58
0.59
2
0.13
0.61
5
0.12
δ
h
b
δ
h
u
2
B8
0.58
0.57
0.05
0.91
57
0.26
2
B9
0.49
0.48
0.11
1.06
116
0.38
Fig.
11.
Sensitivity
of run-up
length
to
changes
in
the
relative
B10
0.72
0.77
7
0.17
1.56
117
0.61
magnitude
of yh
b
/yh
u
.
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