The influence of initial perturbation power spectra on the growth of a turbulent mixing layer induced by Richtmyer-Meshkov instability

18 Mar 2020 Groom Michael Thornber Ben

This paper investigates the influence of different broadband perturbations on the evolution of a Richtmyer--Meshkov turbulent mixing layer initiated by a Mach 1.84 shock traversing a perturbed interface separating gases with a density ratio of 3:1. Both the bandwidth of modes in the interface perturbation, as well as their relative amplitudes, are varied in a series of carefully designed numerical simulations at grid resolutions up to $3.2\times10^9$ cells... (read more)

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  • FLUID DYNAMICS
  • COMPUTATIONAL ENGINEERING, FINANCE, AND SCIENCE