Damping device for damping shaft vibration

A method for damping bending vibration of a shaft, the method comprising:

• rotating the shaft about an axis of rotation, wherein the shaft defines a radial direction extending orthogonal to and from the axis of rotation;
• and
• damping, via a damping device, bending vibration of the shaft, wherein the damping device comprises a housing defining a chamber configured to receive a damping fluid and a damping disc operatively coupled with the shaft and at least partially received within the chamber, wherein the damping disc wobbles within the chamber about a first axis orthogonal to the axis of rotation and a second axis orthogonal to the first axis and the axis of rotation to move the damping fluid such that the damping fluid absorbs energy due to bending vibration emitted by the shaft, and wherein the damping disc has a thickness defined between a first face and a second face opposing the first face, and wherein the damping disc comprises a hub portion defining a pass-through aperture through which the shaft extends, and wherein the damping disc extends outward from the hub portion to an outer periphery along the radial direction, and wherein the thickness of the damping disc gradually changes from the hub portion to the outer periphery.