FEA, Fundamentals

Eddy Currents Induced by Motion Through a Magnetic Field

In a previous post, we built a quick model for eddy currents in a plate stationary in a time-varying magnetic field. Here we examine the induced currents and damping force that result from motion of the plate relative to the magnetic field.

Eddy currents induced in a plate moving through a static magentic field. Simulation done using Ansoft Maxwell from ANSYS.
Eddy currents induced in a plate moving through a static magentic field. Simulation done using Ansoft Maxwell from ANSYS.

Eddy currents in a copper plate moving through a magnetic field. Simulation carried out using Ansoft Maxwell from Ansys. Click to view it at full resolution.
Eddy currents in a copper plate moving through a magnetic field.