Simulation of electric and magnetic fields using FEMM - FH Aachen ...
Simulation of electric and magnetic fields using FEMM - FH Aachen ...
Simulation of electric and magnetic fields using FEMM - FH Aachen ...
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1.5.4 Define conductor properties<br />
Set properties <strong>of</strong> material, conductor <strong>and</strong> point. The nodal properties must be set ahead.<br />
Menu “Properties”→ “Point”→ “Add Property”<br />
Figure 1-74 Nodal property dialogue box<br />
In nodal property, we set the point charge density as 100C/m . In the Problem definition, we<br />
have set the depth to 1 mm. So the point charge has 100C/m* 0.001m= 0.1C.<br />
Sphere capacitor<br />
Sphere<br />
Table 1-8 Formula<br />
Figure 1-75Sphere Capacitor 7<br />
1.5.5 Add materials to the model<br />
We set εr „air‟ as 1.<br />
Figure 1-76Material property<br />
7 http://upload.wikimedia.org/wikipedia/commons/3/3f/Spherical_Capacitor.svg