Device, system and method for suppressing vortex-induced vibration of bluff body

The embodiment of the invention provides a device, system and method for suppressing vortex-induced vibration of a bluff body. The device comprises at least one suppression component, wherein the suppression component is of a sheet-shaped flexible structure, and the suppression component is fixed to a preset outer surface area of the bluff body; a connecting part between the suppression component and the bluff body is distributed in the axial direction of the bluff body, so that the surface, where the sheet-shaped suppression component is located, of the suppression component is unfolded in the flowing direction of fluid when the fluid flows through the bluff body; and the suppression component and the fluid in the wake of the bluff body generate a fluid-solid coupling effect, so that the suppression component deforms, and the stress characteristic of the bluff body is changed. According to the device, system and method, the stress characteristic of the bluff body can be changed when the fluid flows through t