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Does NEC-2 model wires as solid or hollow?
I've been using 4Nec2, a freeware antenna modeling program based on
NEC-2 (Numerical Electromagnetic Code). I'm wondering if anyone could provide some insight as to just how it models current at the ends of wires that are not connected to anything (a.k.a. "free ends" or "open ends"). Does NEC-2 model "end caps" at free ends, which is equivalent to assuming wires are solid, or does it just set the current equal to zero at the free ends, which is equivalent to assuming wires are hollow? Is it possible that it does both, but the specific model is determined by the choice of computational kernel (extended vs. standard)? I've tried looking through some of the NEC-2 documentation, but I can't find a definitive answer. -Dave, K3WQ |
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