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Results for LCGen seem to change when I use a number of smaller 3D rectangles to replace larger rectangles in the same structure. Why?

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Results for LCGen seem to change when I use a number of smaller 3D rectangles to replace larger rectangles in the same structure. Why?

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LCGen does not include resistance effects, so that the resulting inductance solution corresponds to one made from perfect conductors (it can be thought of as associated with the high-frequency current distribution). A structure that has only a single rectangle in a cross-section will have a uniform current associated with it, and a cross-section with multiple rectangles will have a uniform current over each rectangle but a distribution over rectangles that is consistent with skin-effect behavior. In other words, the current distribution over any given rectangular solid is uniform (across a 2D shape or through a 3D shape) but has an overall distribution that satisfies the appropriate boundary conditions.

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