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Coherent structures in dissipative particle dynamics simulations of the transition to turbulence in compressible shear flows
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van de Meent, Jan-Willem, Morozov, Alexander, Somfai, Ellák, Sultan, Eric and van Saarloos, Wim (2008) Coherent structures in dissipative particle dynamics simulations of the transition to turbulence in compressible shear flows. Physical Review E, Vol.78 (No.1). Article: 015701(R). doi:10.1103/PhysRevE.78.015701 ISSN 1539-3755.
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Official URL: http://dx.doi.org/10.1103/PhysRevE.78.015701
Abstract
We present simulations of coherent structures in compressible flows near the transition to turbulence using
the dissipative particle dynamics method. The structures we find are remarkably consistent with experimental observations and direct numerical simulations �DNS� simulations of incompressible flows, despite a difference
in Mach number of several orders of magnitude. The bifurcation from the laminar flow is bistable and shifts to
higher Reynolds numbers when the fluid becomes more compressible. This work underlines the robustness of
coherent structures in the transition to turbulence and illustrates the ability of particle-based methods to
reproduce complex nonlinear instabilities.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Research Centres > Centre for Complexity Science Faculty of Science, Engineering and Medicine > Science > Physics |
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Journal or Publication Title: | Physical Review E | ||||
Publisher: | American Physical Society | ||||
ISSN: | 1539-3755 | ||||
Official Date: | 7 July 2008 | ||||
Dates: |
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Volume: | Vol.78 | ||||
Number: | No.1 | ||||
Page Range: | Article: 015701(R) | ||||
DOI: | 10.1103/PhysRevE.78.015701 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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