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An accurate thin-wire model for 3-D TLM simulations

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3 Author(s)
Sewell, P. ; Sch. of Electr. & Electron. Eng., Univ. of Nottingham, UK ; Choong, Y.K. ; Christopoulos, C.

Accurate modeling of thin wires in large-scale numerical electromagnetic simulations is very time consuming if fine meshing is adopted. Special treatments of such wires to allow their incorporation into relatively coarse meshes have lead to the development of thin-wire nodes for the transmission-line matrix (TLM) method. Previous models require the use of empirical factors. A novel thin-wire node is presented that is derived from rigorous field theory, requires no empirical factors and is shown to be highly effective. Moreover, virtually no computational overhead is incurred in the use of the new wire node.

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Electromagnetic Compatibility, IEEE Transactions on  (Volume:45 ,  Issue: 2 )