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  • Přestože problémy vířivých proudů bývají zpravidla řešeny převážně diferenciálními technikami (FEM apod.), některé z nich lze takto řešit obtížně nebo vůbec. Uvést lze například upořádání s geometricky nesouměřitelnými podoblastmi, s pohybujícími se elementy, nebo tam, kde neznáme okrajové podmínky. V takovém případě můžeme s výhodou využít přístup integrální. Příspěvek se zabývá teoretickými základy metody. Jeho základní matematický model sestává ze systému integrodiferenciálních rovnic pro proudové hustoty v elektricky vodivých částech a doplňujících nepřímých podmínek. Dále jsou odvozeny výrazy pro Jouleovy ztráty a elektrodynamické síly v dílčích elementech systému. Metodika je ilustrována na příkladu. Výpočty jsou provedeny programem, jenž byl vyvinut a napsán druhým autorem. (cs)
  • Although most eddy problems are theoretically solved by various differential techniques, there exist several classes of tasks where use of the differential approach may be complicated or even prohibitive. Mentioned can be, for example, problems characterized by geometrical incommensurability of individual subdomains, by their motion or by ignorance of the boundary conditions. In such a case, application of the integral approach may be an advantage. The paper presents the theoretical background of the method. The mathematical model consists of a system of integrodifferential equations for current densities in electrically conductive domains supplemented with indirect boundary conditions. Derived are also expressions for the Joule losses and electrodynamic forces acting in particular elements of the system. The methodology is illustrated on an example. All computations are realized by a code completely developed and written by the second author.
  • Although most eddy problems are theoretically solved by various differential techniques, there exist several classes of tasks where use of the differential approach may be complicated or even prohibitive. Mentioned can be, for example, problems characterized by geometrical incommensurability of individual subdomains, by their motion or by ignorance of the boundary conditions. In such a case, application of the integral approach may be an advantage. The paper presents the theoretical background of the method. The mathematical model consists of a system of integrodifferential equations for current densities in electrically conductive domains supplemented with indirect boundary conditions. Derived are also expressions for the Joule losses and electrodynamic forces acting in particular elements of the system. The methodology is illustrated on an example. All computations are realized by a code completely developed and written by the second author. (en)
Title
  • Solution of Nonstationary Eddy Current Problems by Integral Techniques
  • Řešení nestacionárních problémů vířivých proudů integrálním přístupem (cs)
  • Solution of Nonstationary Eddy Current Problems by Integral Techniques (en)
skos:prefLabel
  • Solution of Nonstationary Eddy Current Problems by Integral Techniques
  • Řešení nestacionárních problémů vířivých proudů integrálním přístupem (cs)
  • Solution of Nonstationary Eddy Current Problems by Integral Techniques (en)
skos:notation
  • RIV/68407700:21230/05:03116700!RIV06-GA0-21230___
http://linked.open.../vavai/riv/strany
  • A07 ; A12
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA102/03/0047), Z(MSM6840770017)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 543447
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21230/05:03116700
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • integral technique; nonstationary eddy currents; numerical analysis (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [D90F47096A88]
http://linked.open...v/mistoKonaniAkce
  • FEE, KTE Plzeň
http://linked.open...i/riv/mistoVydani
  • Plzeň
http://linked.open...i/riv/nazevZdroje
  • AMTEE´05
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Doležel, Ivo
  • Karban, P.
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Západočeská univerzita v Plzni
https://schema.org/isbn
  • 80-7043-392-2
http://localhost/t...ganizacniJednotka
  • 21230
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