Computational Modeling of Classical Rayleigh-Taylor Experiments on Nova

Details Computational Modeling of Classical Rayleigh-Taylor Experiments on Nova Computational Modeling of Classical Rayleigh-Taylor Experiments on Nova

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aps..dppgtp222w&link_type=abstract

American Physical Society, Division of Plasma Physics Meeting, November 17-21, 1997, abstract #gTuaP222.

Physics

Plasma Physics

Scientific paper

We combine the results from one-dimensional Lagrangian radiation-hydrodynamics simulations using the code HYADES with linear and weakly nonlinear theory to model a series of classical but compressible Rayleigh-Taylor experiments done on the Nova laser. [1] Comparisons of the experiments and simulations for both the gross hydrodynamic behavior and perturbation growth in the linear regime were made and show good agreement. Addition of weakly nonlinear theory qualitatively agrees with the trends in the data. The effects of different equations of state, radiation transport models, energy sources, zoning, and ionization models will be presented. We will also discuss various implementations of nonlinear saturation models, [2,3] to extend the range of utility of our simulations. *Work performed under the auspices of the U.S. Department of Energy by the Lawrence Livermore National Laboratory under contract number W-7405-ENG-48. 1. K.S. Budil et al., Phys. Rev. Lett. 76, 4536 (1996). 2. S.W. Haan, Phys. Rev. A 39, 5812 (1989) 3. D. Ofer et al., Phys. Plasmas 3, 3073 (1996).

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