Civil Engineering Reference
In-Depth Information
10
0
6
b = 0.6
b = 1
−
10
b = 0.6
b = 1
−
20
5.5
30
−
−
40
5
−
50
−
60
4.5
−
70
−
80
4
−
90
−
100
0
0.5
1
1.5
2
2.5
3
0
0.5
1
1.5
2
2.5
3
Frequency (kHz)
Frequency (kHz)
Figure 5.6
The real and the imaginary part of the effective density predicted from
Equation (5.32) with the parameters
q
0
=
1
.
23
×
10
−
10
m
2
,
φ
=
0
.
37,
=
31
µ
m, and
α
∞
=
1
.
37.
1.4x10
5
1.3x10
5
Re K
1.2x10
5
1.1x10
5
1.0x10
5
10
100
1000
Frequency (Hz)
2.0x10
4
Imag K
1.5x10
4
1.0x10
4
5.0x10
3
0.0
10
100
1000
Frequency(Hz)
Figure 5.7
The bulk modulus predicted by Equations (5.34) - (5.35) for
φ
=
0
.
95, and
=
610
µ
m
q
0
=
1
.
3
×
10
−
8
m
2
,
-------
q
0
=
4
.
4
×
10
−
8
m
2
.
