The effect of mass ratio on the structural response of a freely vibrating square cylinder oriented at different angles of attack
This study reports on an experimental investigation of the effect of mass ratio on the
transverse flow-induced vibration (FIV) response of an elastically mounted square cylinder
placed at three different incidence angles: two symmetric with respect to the centreplane, α=
0° and 45°; and one asymmetric at 20°. These three angles display different dominant FIV
phenomena: transverse galloping and combined vortex-induced vibration (VIV) and
galloping for α= 0°, VIV for α= 45°, and higher branch subharmonic (period-doubled) VIV for …
transverse flow-induced vibration (FIV) response of an elastically mounted square cylinder
placed at three different incidence angles: two symmetric with respect to the centreplane, α=
0° and 45°; and one asymmetric at 20°. These three angles display different dominant FIV
phenomena: transverse galloping and combined vortex-induced vibration (VIV) and
galloping for α= 0°, VIV for α= 45°, and higher branch subharmonic (period-doubled) VIV for …
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