Network representation of electromagnetic fields and forces using generalized bond graphs

G.D. Nijen Twilhaar

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We show that it is possible to describe electromagnetic (E-M) fields with a generalized network representation (generalized bond graphs). E-M fields inmoving matter, forces due to E-M fields (Lorentz force, ets.) and field transformations are included in the network description. The relations of these E-M phenomena with respect to each other are clearly represented by the bond graph. We also show that it is not possible to describe E-M phenomena in moving matter with conventional bond graphs, but that a generalized bond graph concept is required. The description of simple E-M devices with conventional bond graphs is based on rather drastic assumptions, i.e. quasi-static conditions (E-M radiation neglected), homogeneous fields, isotropic linear material, etc. These assumptions are not made in this paper.
Original languageUndefined
Pages (from-to)183-200
JournalJournal of the Franklin Institute
Issue number1-2
Publication statusPublished - 1985
Externally publishedYes


  • IR-69383

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