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Click on Physics in the workflow. In the Physics template input a Frequency of 200Hz.
Go to Step 4: Numerical Solution/Results
Specify Material
Click on Add, next to Material Assignments > Material Assignment > Air (Material Samples). Next, click on body selection in top right corner. Select the Surrounding region and click Add. This assigns air to the surrounding region.
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Finally, a Skin Depth Resolution needs to be specified. Right click, and select Fix. Select the top face of the plate and move the Resolution slider up to Fine. The Skin Depth Resolution will automatically refine the mesh where the eddy currents occur.
Go to Step 4: Numerical Solution/Results