PSI - Issue 59

Mykhailo Hud et al. / Procedia Structural Integrity 59 (2024) 687–691 Mykhailo Hud et al. / Structural Integrity Procedia 00 (2019) 000 – 000

690

4

5 6 7 8 9

0.002

440.84 511.92 545.55 557.03 664.02 810.68 914.31 931.95

70.19 81.51 86.87 88.69

0.014 0.012 0.011 0.011

-0.09

2.13

43.58

0.0019 0.0018 0.0017 0.0015

-0.0003

0.000038 43.58

0.004

0.005

43.58 43.58 49.31 49.31 51.26 51.26 51.61 51.75 51.85 51.87 67.47 67.47 67.48 68.03 68.52 68.52 68.53 70.06 70.06 70.06

0.0006

0.0001

105.73 0.009 129.09 0.007 145.59 0.006 148.40 0.006

0.14

5.72

10 0.0012 11 0.0010 12 0.0010 13 0.0009 14 0.00086 15 0.00085 16 0.00078 17 0.00078 18 0.000688 19 0.00068 20 0.00067 21 0.00061 22 0.00060 23 0.00054 24 0.00053 25 0.00051 26 0.00048

0.0009 -0.087

0.0002

1.95

0.0

0.0

1014.30 161.51 0.006 1163.15 185.21 0.005 1168.41 186.05 0.005 1270.57 202.32 0.004 1280.69 203.93 0.004 1453.76 231.49 0.004 1455.80 231.81 0.004 1476.40 235.09 0.004 1620.43 258.03 0.003 1666.31 265.33 0.003 1835.71 292.31 0.003 1883.95 299.99 0.003 1948.73 310.30 0.003 2082.61 331.62 0.003

-0.035 -0.02 0.019 0.008 0.245 -0.0004 0.003 -0.04 -0.04 0.001 -0.005

0.35 0.14 0.09

0.019 15.60

0.0 0.0

0.54 0.49

0.0 0.0

0.07

1.53

0.002

0.0 0.0

0.0004

a

b

c

d

Fig. 2. Oscillation forms of an unreinforced frame: a) first; b) second; c) third; d) fourth.