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== Static Modeling Methods ==
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Static or quasi-static approximations of Maxwell's equations can be reliably applied in two different cases: at low frequencies from DC to a few Megahertz, or when the total electrical size of your physical structure is a fraction of the wavelength and wave retardation effects are negligible. In the latter case, your physical structure is effectively considered as a lumped device. Under those conditions, the electric and magnetic fields decouple from each other. Electric fields can be computed from charge sources or their equivalents and magnetic fields can be computed from current sources or their equivalents.
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== Electrostatics Analysis==