PSI - Issue 44

Domenico Magisano et al. / Procedia Structural Integrity 44 (2023) 456–463 Magisano et al. / Structural Integrity Procedia 00 (2022) 000–000

463

8

10 − 3

2 0 2 4 ·

0 1 2 3 4 5

FULL ROM (3 linear modes) ROM (10 linear modes) ROM (3 linear modes and mechanisms)

u / H

0 0 . 2 0 . 4 0 . 6 0 . 8 1 − 4 −

f loor

− 3

− 2

− 1

0

u / H

t / ∆ T

· 10 − 3

Time history for scale factor S F = 1

Maximum profile deformation for scale factor S F = 1

0 0 . 2 0 . 4 0 . 6 0 . 8 1 − 1 0 1 2 · 10 − 2 t / ∆ T u / H Time history for scale factor S F = 4

0 1 2 3 4 5

FULL

ROM (3 linear modes)

ROM (10 linear modes)

ROM (3 linear modes and mechanisms)

f loor

0 0 . 5 1 1 . 5 2 2 . 5 · 10 − 2 u / H Maximum profile deformation for scale factor S F = 4

Fig. 9: Mildly irregular frame: time history of the control point and peak profile deformation for di ff erent values of the scale factor provided by FULL model, ROMs with linear modes and ROM with linear and plastic modes.

References

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