Morphological and non-equilibrium analysis of coupled Rayleigh–Taylor–Kelvin–Helmholtz instability
In this paper, the coupled Rayleigh–Taylor–Kelvin–Helmholtz instability (RTI, KHI, and
RTKHI, respectively) system is investigated using a multiple-relaxation-time discrete
Boltzmann model. Both the morphological boundary length and thermodynamic non-
equilibrium (TNE) strength are introduced to probe the complex configurations and kinetic
processes. In the simulations, RTI always plays a major role in the later stage, while the
main mechanism in the early stage depends on the comparison of buoyancy and shear …
RTKHI, respectively) system is investigated using a multiple-relaxation-time discrete
Boltzmann model. Both the morphological boundary length and thermodynamic non-
equilibrium (TNE) strength are introduced to probe the complex configurations and kinetic
processes. In the simulations, RTI always plays a major role in the later stage, while the
main mechanism in the early stage depends on the comparison of buoyancy and shear …
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