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Meshfree method for fluctuating hydrodynamics

Authors
  • Pandey, Anamika
  • Klar, Axel
  • Tiwari, Sudarshan
Type
Published Article
Publication Date
Feb 20, 2012
Submission Date
Feb 20, 2012
Identifiers
DOI: 10.1016/j.matcom.2012.06.002
Source
arXiv
License
Yellow
External links

Abstract

In the current study a meshfree Lagrangian particle method for the Landau-Lifshitz Navier-Stokes (LLNS) equations is developed. The LLNS equations incorporate thermal fluctuation into macroscopic hydrodynamics by the addition of white noise fluxes whose magnitudes are set by a fluctuation-dissipation theorem. The study focuses on capturing the correct variance and correlations computed at equilibrium flows, which are compared with available theoretical values. Moreover, a numerical test for the random walk of standing shock wave has been considered for capturing the shock location.

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