Abstract
COMAG-III is a two-dimensional MHD code which was constructed to study the characteristics of compressed magnetic field generators which incorporate a helically wound output coil. The code is an improved and generalized version of COMAG-I, which was based on a self-consistent coupling of an Eulerian material response treatment with a magnetic field solver which included non-linear diffusion. COMAG-I also included Joule heating, Lorentz forces, a circuit equation to couple to an external load, a model for explosive burn, a detailed equation of state with a mixed phase capability, and a treatment of fracture and spall. In addition to these capabilities, COMAG-III can treat coils with turn-splitting (a technique used to reduce heating effects), and armatures having an arbitrary shape; it also can now include up to ten different materials and has a more general variable zoning capability. Sample results are described.
This work supported by the U.S. Department of Energy under Contract DE--ACO4-76-DP00789.
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References
Freeman, J.R. and Thompson, S.L., J. Comput. Phys., Vol. 25, (1977) 332.
Thompson, S.L., “CSQ-II An Eulerian Finite Difference Program for Two-Dimensional Material Response-Part 1. Material Sections”, Sandia Laboratories Report, SAND-77–1339. (January 1979).
Knoepfel, H., Pulsed High Magnetic Fields, North Holland Publishing Company, Amsterdam (1970).
Freeman, J.R., McGlaun, J.M., Thompson, S.L., and Cnare, E.C., These proceedings.
Tucker, T.J., These Proceedings.
Gover, J.E., Stuetzer, O.M., and Johnson, J.L., These proceedings.
Thompson, S.L. and Lauson, H.S., “Improvements in the CHARTD Radiation-Hydrodynamic Code III: Revised Analytic Equations of State,” Sandia Laboratories Report, SC-RR-710714, (1972).
Varga, R.S., Matrix Iterative Analysis, Prentice-Hall, Inc., Englewood Cliffs, N.J., (1962).
Wachspress, E.L., Iterative Solutions of Elliptic Systems, Prentice-Hall, Inc., Englewood Cliffs, N.J., (1966).
Mitchell, A.R., Computational Methods in Partial Differential Equations, John Wiley and Sons, Ltd., New York, New York, (1969).
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© 1980 Plenum Press, New York
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McGlaun, J.M., Thompson, S.L., Freeman, J.R. (1980). COMAG-III: A 2-D MHD Code for Helical CMF Generators. In: Turchi, P.J. (eds) Megagauss Physics and Technology. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-1048-8_17
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DOI: https://doi.org/10.1007/978-1-4684-1048-8_17
Publisher Name: Springer, Boston, MA
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