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Chaotic vortex induced vibrations
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DOI：10.1063/1.4904975.png)
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Abstract
En 中文
This study investigates the nature of the dynamic response of an elastically mounted cylinder immersed in a free stream. A novel method is utilized, where the motion of the body during a free vibration experiment is accurately recorded, and then a second experiment is conducted where the cylinder is externally forced to follow this recorded trajectory. Generally, the flow response during both experiments is identical. However, particular regimes exist where the flow response is significantly different. This is taken as evidence of chaos in these regimes. (C) 2014 AIP Publishing LLC.
Keywords:
SQUARE CYLINDER
LOW MASS
FORCES
ATTACK
ANGLES
MODES
FLOW
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