A General Program for Radiation Hydrodynamic Flow in One Dimension.

by Harold L. Brode

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Description of a numerical program representing hydrodynamic and radiation flow in one space dimension. The basic technique employs the artificial viscosity scheme and is based on a Lagrangian coordinate system. The Lagrangian formulation lends itself to problems dealing with the dynamics of dissimilar materials which do not mix. In addition to radiation diffusion and thermal conductivity, the program is adaptable to a variety of distributive sources and sinks. It has been applied to a number of problems, including chemical and/or nuclear detonations and blast waves, gun interior ballistics, shock from underground explosions, shock attenuation in tunnels, shock tube flow and design, exploding wire and spark discharge phenomena, material response under impulsive loads, and rarefied atmosphere explosions and gas releases. 9 pp. Ref. (AR)

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