FLUTTER STABILITY ANALYSIS FOR CABLE-STAYED BRIDGES
FLUTTER STABILITY ANALYSIS FOR CABLE-STAYED BRIDGES
FLUTTER STABILITY ANALYSIS FOR CABLE-STAYED BRIDGES
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Fig 15. Nodes’ modal amplitude–velocity diagram<br />
0.06<br />
0.04<br />
0.02<br />
1 st Heaving mode<br />
Modal amplitude<br />
0<br />
-0.02<br />
-0.04<br />
-0.06<br />
-0.08<br />
-0.1<br />
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29<br />
Initial<br />
50m/s<br />
65m/s<br />
70m/s<br />
90m/s<br />
-0.12<br />
Deck nodes<br />
0.1<br />
0.05<br />
2 st Heaving mode<br />
Modal amplitude<br />
0<br />
-0.05<br />
-0.1<br />
-0.15<br />
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29<br />
Initial<br />
50m/s<br />
65m/s<br />
70m/s<br />
90m/s<br />
Deck nodes<br />
29
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