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A network method for nonlinear transient eddy current problems

✍ Scribed by Wong, C. C.

Publisher
Wiley (John Wiley & Sons)
Year
1987
Tongue
English
Weight
447 KB
Volume
3
Category
Article
ISSN
0748-8025

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✦ Synopsis

Maxwell's curl equations for a conducting region are simulated by the impedance network. A set of simultaneous first-order ordinary differential equations is developed for the network which can be used to solve linear or nonlinear, transient or static eddy current problems. The resulting set of equations is solved by the explicit fourth order Runge-Kutta method and in some cases by an implicit method based on the central difference scheme for time discretization. A number of examples, including eddy current losses in a saturated steel plate, are described to illustrate the applications of the method. It is found that the explicit method is more suitable for nonlinear problems, whereas the implicit method is more efficient for linear problems.

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