Author

V. Theofilis

3 papers indexed here

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Preprint Sep 2026

Analytic study of the continuous spectrum of three-dimensional weak shock layers

Three-dimensional linear stability of a weak, compressible shock layer is analyzed using exact Reynolds-number-independent forms of the governing base flow and linear stability equations, obtained by rescaling the problem onto the shock's own natural viscous length and time scales. For any base flow with zero transvers...

V. Theofilis · 0 citations

Open access Sep 2026

On weak shock layer stability in the continuum limit

While accurate description of the internal structure of strong shock layers is beyond the scope of the Navier–Stokes equations [2, 4, 18, 30], continuum equations may still be used to describe weak shock layers at low Mach numbers. The present work extends the steady laminar base flow model of [11] and the two-dime...

V. Theofilis · CEAS Space Journal · 1 citation

Open access Oct 2026

On linear global instability at the leading edge of a short compression corner with large ramp angle

Global linear stability analysis of Mach 3 flow over a short compression corner is investigated at Reynolds number 11200 and Knudsen number O(10−4), for the first time using both kinetic theory direct simulation Monte Carlo (DSMC) and continuum Navier–Stokes–Fourier (direct numerical simulation (DNS)). In two dimensi...

I. Karpuzcu, Vojtech Pezlar, Deborah A. Levin et al. · Proceedings of the Royal Soc... · 0 citations