Civil Engineering Reference
In-Depth Information
Table 4.17
Harmonic response results due to various dynamic loading phases for lower frame module
Loading phase
Frequency
(Hz)
Critical
point
Equivalent mean static
stress (MPa)
Equivalent real amplitude
stress (MPa)
Equivalent imaginary
amplitude stress (MPa)
Equivalent amplitude
stress (MPa)
Total equivalent maximum
stress (MPa)
Rail transportation
35
27
4.766
2.200
1.934
2.929
7.694
33
27
4.766
0.680
2.560
2.649
7.414
96
29
3.194
6.540
13.699
15.180
18.374
62.6
28
4.974
1.888
3.597
4.062
9.036
73.6
28
4.974
3.590
2.233
4.228
9.201
Road transportation
35
27
4.766
3.868
3.354
5.120
9.886
33
27
4.766
1.554
5.820
6.024
10.790
Air transportation
35
25
3.109
8.420
9.497
12.692
15.801
33
25
3.109
1.544
12.637
12.731
15.840
96
29
3.194
9.781
42.918
44.019
47.212
104.7
29
3.194
32.150
14.200
35.146
38.340
62.6
28
4.974
62.207
90.816
110.078
115.052
73.6
24
2.098
87.431
77.368
116.748
118.846
119.8
26
1.181
9.826
34.712
36.076
37.257
128.3
26
1.181
26.112
11.941
28.713
29.894
187.9
26
1.181
16.231
7.423
17.848
19.029
137
26
1.181
40.141
18.356
44.139
45.320
Launch (phase I)
35
27
36.189
17.465
19.727
26.347
62.536
33
27
36.189
2.929
25.985
26.150
62.339
96
28
37.727
10.758
24.692
26.934
64.661
104.7
29
24.714
31.406
13.872
34.333
59.047
62.6
28
37.727
19.549
28.540
34.593
72.320
73.6
28
37.727
31.141
20.965
37.541
75.268
119.8
26
9.362
11.136
39.341
40.887
50.248
128.3
25
23.647
19.830
7.420
21.173
44.820
187.9
26
9.362
52.583
24.047
57.821
67.183
137
25
23.647
18.621
6.967
19.881
43.528
471.7
28
37.727
0.381
0.507
0.634
38.361
696.8
28
37.727
0.880
0.605
1.067
38.794
378.1
27
36.189
5.221
8.812
10.243
46.432
950.4
28
37.727
0.527
0.909
1.051
38.778
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