ZEUS-2D Simulations of Laser-Driven Radiative Shock Experiments

Details ZEUS-2D Simulations of Laser-Driven Radiative Shock Experiments ZEUS-2D Simulations of Laser-Driven Radiative Shock Experiments

Oct 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aps..dppgp1020l&link_type=abstract

American Physical Society, 45th Annual Meeting of the Division of Plasma Physics, October 27-31, 2003, Albuquerque, New Mexico,

Physics

Plasma Physics

Scientific paper

A series of experiments is underway using the Omega laser to examine radiative shocks of astrophysical relevance. In these experiments, the laser accelerates a thin layer of polystyrene, which drives a strong shock into xenon gas. One-dimensional numerical simulations using the HYADES multigroup radiation hydrodynamics code predict a collapsed shock and a radiative precursor. Preliminary experimental results show a thinner layer of shocked xenon than would be expected based on the x-ray absorption, indicating that radial mass and/or energy transport may be significant to the dynamics of the system. In this work, we report the results of two-dimensional numerical simulations using the ZEUS-2D astrophysical radiation hydrodynamics code. Particular attention is given to radial effects and driver/tube interaction. Work at U. of M. supported by the U.S. DoE under grants DE-FG03-99DP00284, DE-FG03-00SF22021, and other grants and contracts.

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