Computational modeling of direct-drive fusion pellets and KrF-driven foil experiments
作者： John H. Gardner , Andrew J. Schmitt , Jill P. Dahlburg , Carl J. Pawley , Stephen E. Bodner
DOI: 10.1063/1.872863
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摘要: FAST is a radiation transport hydrodynamics code that simulates laser matter interactions of relevance to direct-drive fusion target design. solves the Euler equations compressible flow using Flux-Corrected Transport finite volume method. The advection algorithm provides accurate computation flows from nearly incompressible vortical those are highly and dominated by strong pressure density gradients. In this paper we describe numerical techniques physics packages. has also been benchmarked with Nike facility experiments in which linearly perturbed, low adiabat planar plastic targets ablatively accelerated velocities approaching 107 cm/s. Over range perturbation wavelengths, results agree measured Rayleigh–Taylor growth linear through deeply nonlinear regimes. applied two-dimensional spherical simulation design provide surface finish bandwidth tolerances for ...
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