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In EMSIM, I assign a source for a conductive segment, but the current in the structure is very small and does not seem correct. Why?

April 26, 2017assign conductive emsim segment small source structure

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In EMSIM, I assign a source for a conductive segment, but the current in the structure is very small and does not seem correct. Why?

1 Answer

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Make sure that the source is assigned a proper direction; for example, if a via carries current in the z direction, the corresponding source should be in the z direction so that the delta-gap voltage source produces a z-directed current. If the source direction is picked in the transverse direction by mistake, a transverse current is being excited and does not represent what the user had in mind.