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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

Author

Arnab Roy

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2 papers indexed here

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Sep 2026

Density structure and intermittency in decaying supersonic interstellar turbulence: Kolmogorov versus Burgers scales

Abstract We investigate how the initial spectral organization of decaying supersonic turbulence influences the structure and intermittency of the interstellar medium. Three-dimensional isothermal Euler simulations are performed at identical initial turbulent Mach number for Kolmogorov-type, E(k) ∼ k −5/3, and Burgers-t...

Ribhu Pal, Somnath Ghosh, Arnab Roy · 0 citations
Sep 2026

Is k −2 scaling sustained in shock–bubble interaction? A spectral and modal perspective

Shock–bubble interaction constitutes a canonical problem in compressible turbulence, governed by the interplay of compressive and vortical dynamics. Numerical simulations are employed to examine light (He) and heavy (R22) bubbles using dynamic mode decomposition and Favre-weighted turbulent kinetic energy spectra. The...

N. Saigiri, Ribhu Pal, Arnab Roy et al. · 0 citations

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