in reality，when I wind a coil,If the coil inner diameter, wire diameter and coil height are constant,the outer diameter of the coil is constant.however,in COMSOL If I want to simulate a multi-turn coil.Should I decide the coil outer diameter based on the coil inner diameter, wire diameter and coil height.as i know,in comsol If the coil inner diameter, wire diameter and coil height of the two coils are the same, but the coil outer diameters are different, the current distribution in the two coils is different.Does this mean that the winding of a certain coil is not tight?
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