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作者:Jonathan Poggie , Nicholas J. Bisek
来源:[J].Journal of Turbulence(IF 0.98), 2017, Vol.18 (8), pp.760-780Taylor & Francis
摘要:ABSTRACT(#br)The properties of spectral subranges of scales in a boundary layer at Mach=2.3 and friction Reynolds number Reτ = 570 are investigated by analysing DNS data. One major aim is to examine whether footprinting and modulation of small-scale near-wall motions by oute...
作者:Sashank Srinivasan , Jonathan Poggie , Xiangxiong Zhang
来源:[J].Journal of Computational Physics(IF 2.138), 2018, Vol.366, pp.120-143Elsevier
摘要:Abstract(#br)For constructing high order accurate positivity-preserving schemes for convection–diffusion equations, we construct a simple positivity-preserving diffusion flux. Discontinuous Galerkin (DG) schemes with such a positivity-preserving diffusion flux are nonlinear ...
作者:Jonathan Poggie , Nicholas J. Bisek , Ryan Gosse
来源:[J].Computers and Fluids(IF 1.467), 2015, Vol.120, pp.57-69Elsevier
摘要:Abstract(#br)This paper presents the first systematic study of resolution in compressible, turbulent boundary simulations, and the best-resolved simulation carried out to date. Direct numerical simulation (DNS) and wall-resolved, implicit large-eddy simulation (ILES-NWR) wer...
作者:... Vladlen A Podolsky , Sergey O Macheret , Jonathan Poggie
来源:[J].Journal of Physics D: Applied Physics(IF 2.528), 2019, Vol.52 (30)IOP
摘要:Nanosecond-pulse electrical discharges offer an efficient means of plasma generation in applications, but accurate numerical simulation of these discharges remains extremely challenging. The continuing difficulties lie in an enormous separation of space and time scales, a lack of...

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