Civil Engineering Reference
In-Depth Information
Table 1.22.
Example 1.17 Bairstow's method
1
10
44
48
−1.5
−3
−10
6.75
7.125
−1.5
−35.813
−22.969
6.75
7.125
−1.5
−1.5
−35.813
1
23.875
15.313
−1.5
−4.5
−4.75
−
10.781
9
−1.5
−4.125
−43.125
9
−1.5
−1.5
−4.125
1
2.75
28.75
−6
−
31.938
−
10 781 28 750
15 313 2 750
31 938 28 750
28 750
.
.
(
)(
)
−
(
)(
)
.
.
−
10 78
.12750
.
28 750 15 313
.
.
∆
u
=
=
(
)(
)
−
(
)
(
)
−
.
.
−
31 935 2 750
.
.
28 750 28 75
.
.
0
.
2 750
.
=
−
−
469 88
914 39
.
.
=
0 5139
.
−
31 938 10 781
28 750 15 313
31 938 28 750
28 750
.
−
.
(
)(
)
−−
(
)(
)
.
.
−
31
.938 15 313
.
10 781 28 750
.
.
∆
v
=
=
(
)(
)
−
(
)
(
)
−
.
.
−
31 935 2 750
.
.
28 750 2
.
8 750
.
.
2 750
.
=
−
−
179 08
914 39
.
.
=
0 1958
.
uu u
2
=+ =+ =
∆
15 0 5139
.
.
2 0139
.
vv v
2
=+ =+ =
∆
15 0 1958 1 6958
.
.
.
Now, repeat the process using the revised values for
u
and
v
shown in
Table 1.23.
Table 1.23.
Example 1.17 Bairstow's method
1
10
44
48
−2.0139
−3
−10
−2.014
10.097
3.219
−43.745
−5.972
−1.6958
−1.696
8.503
2.711
−36.837
−2.0139
1
−5.014
−1.599
21.722
2.965
5.191
−2.014
14.153
−21.868
−23.707
−1.6958
−1.696
11.918
−18.415
10.859
11.772
1
−7.028
−
39.157
