PSI - Issue 37

Rogério Lopes et al. / Procedia Structural Integrity 37 (2022) 73–80 R. F. Lopes et al./ Structural Integrity Procedia 00 (2019) 000 – 000

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Table 5. A comparison between numerical and analytical results Natural frequency ( ) ( ) 0.476 0.530

Deviation (%)

| − | ⁄ × 100 10.189 3.258

1 2 3 4 5

1.014 1.340 1.351 1.634

0.982 1.154 1.390 1.800

16.117 2.805 9.222

a)

b)

c)

d)

e)

f)

Fig. 6. Displacement amplitude distribution (in mm) obtained on: a) 1 st , b) 2 nd , c) 3 rd , d) 4 th , e) 5 th and f) 6 th natural frequency for the wind velocity of 50 /ℎ at rear area, null capacity of the bus.