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3-D modeling of electromagnetic fields in application to electromagnetic launchers

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4 Author(s)
Galanin, M.P. ; Keldysh Inst. of Appl. Math., Moscow, Russia ; Khalimullin, Y.A. ; Lototsky, A.P. ; Milyayev, K.K.

A mathematical model for a homogeneous (over regions of distinctly different electrophysical properties) simulation of phenomena in a railgun launcher is constructed. The necessity of the use of three-dimensional (3-D) approximation is shown. The algorithm for defining boundary conditions is developed, so that a given total launcher current is equal to the current through a region of simulation. Numerical calculations with different ways of specifying boundary conditions are compared. The results of 3-D numerical simulation of railguns of different configurations are presented. Particularly, the muzzle-fed railgun is described in detail.

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Magnetics, IEEE Transactions on  (Volume:39 ,  Issue: 1 )