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Model ID: 1414

The Magnetic Field from a Permanent Magnet

In magnetostatic problems, where no currents are present, the problem can be solved using a scalar magnetic potential.

This model illustrates this technique for a horse shoe-shaped permanent magnet placed near an iron rod.

The force on the rod is calculated by integrating the surface stress tensor over all boundaries of the rod.

Slice plot showing the magnetic potential, arrows show the magnetic flux density.

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