Abstract
The nonlinear phase of Richtmyer-Meshkov Instability (RMI) is characterized by the development of asymmetric interfacial perturbation structures known as `bubbles' and `spikes', which could potentially be curbed by surface tension. Our work systematically examines such curbing effects of surface tension within a wide range of Weber numbers. Based on numerical results of two-phase compressible simulations, we confirm two existing analytic theories predicting RMI perturbation development respectively at small and asymptotically large Weber numbers, and propose a heuristic criterion identifying the transitional development of RMI at intermediate Weber numbers.
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