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Simulation of electric and magnetic fields using FEMM - FH Aachen ...

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And this time it seems to be smoother. But if we zoom in a little, we can still see that the<br />

center is not a circle.<br />

Figure 1-88 New zoom<br />

Thus, I assume the node in this program may have a shape, <strong>and</strong> probably not a perfect<br />

model <strong>of</strong> point.<br />

1.6 Hollow sphere 2<br />

Here we do the same problem once again, but in a correct way.<br />

1.6.1 Create a new file.<br />

“File”→“New”→ “Electrostatics Problem”<br />

1.6.2 Set problem definition.<br />

Press Menu: “Problem”. And we can use the default definitions.<br />

1.6.3 Create a new model<br />

Draw a circle to make the shell <strong>of</strong> the capacitor.<br />

Figure 1-89 New model

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