An Irregularly Portioned FDF Simulator

A new computational methodology, termed "irregularly portioned Lagrangian Monte Carlo--finite difference" (IPLMCFD), is developed for large eddy simulation (LES) of turbulent combustion via the filtered density function (FDF). This is a hybrid methodology which couples a Monte Carlo FDF si...

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Bibliographic Details
Published in:SIAM journal on scientific computing 2013-01, Vol.35 (4), p.C438-C452
Main Authors: Pisciuneri, P. H., Yilmaz, S. L., Strakey, P. A., Givi, P.
Format: Article
Language:English
Subjects:
Computation
Computer simulation
Consistency
Density
Energy
Grants
Laboratories
Mathematical analysis
Methodology
Simulation
Solvers
Turbulent flames
Variables
Velocity
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Summary:A new computational methodology, termed "irregularly portioned Lagrangian Monte Carlo--finite difference" (IPLMCFD), is developed for large eddy simulation (LES) of turbulent combustion via the filtered density function (FDF). This is a hybrid methodology which couples a Monte Carlo FDF simulator with a structured Eulerian finite difference LES solver. The IPLMCFD is scalable to thousands of processors; thus it is suited for simulation of complex reactive flows. The scalability and consistency of the hybrid solver and the realizability and reliability of the generated results are demonstrated via LES of several turbulent flames under both nonpremixed and premixed conditions. [PUBLICATION ABSTRACT]
ISSN:1064-8275
1095-7197
DOI:10.1137/130911512