Abstract
We revisit coarse-grained simulation strategies for turbulent material mixing driven by shocked/accelerated material interfaces, based on LANL’s Radiation Adaptive Grid Eulerian (xRAGE)–Large-Eddy Simulation (LES), and dynamic bridging xRAGE LES and Besnard–Harlow–Rauenzahn Reynolds-Averaged-Navier–Stokes using Low-Mach-Corrected hydrodynamics. Tests of the new simulation paradigms demonstrate improved scale-resolving, enabling higher simulated mixing and turbulence levels on coarser grids. Impact assessments are carried out based on simulations of shock-tube experiments.
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