The use of commercial electromagnetic finite-element programs for solving railgun problems such as inductance calculations, force evaluations, and current-density distributions is described. The first code considered, PE2D, is a program for solving the electromagnetic and electrostatic problems described by the Laplace, Poisson, Helmholz or diffusion equations in two dimensions. PE2D is limited in that only 2-D problems can be solved, and that current distributions through rail-armature configurations are not readily calculable. Hence, a three-dimensional code called MEGA is being developed. This program, has been used to calculate the 2-D current-density distributions through rails and armatures; however, it is expected that it will be used to calculate full three-dimensional problems


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    Title :

    The use of finite element analysis techniques for solving rail gun problems


    Additional title:

    Anwendung der Methode der finiten Elemente zur Loesung von Problemen, die bei Leitschienenbeschleunigern auftreten


    Contributors:


    Publication date :

    1989


    Size :

    5 Seiten, 7 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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