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Erschienen in:
Partitioned High Performance Code Coupling Applied to CFD Kapitel lesen Erstes Kapitel lesen

2017 | OriginalPaper | Buchkapitel

The Direct-Hybrid Method for Computational Aeroacoustics on HPC Systems

verfasst von : Michael Schlottke-Lakemper, Hans Yu, Sven Berger, Andreas Lintermann, Matthias Meinke, Wolfgang Schröder

Erschienen in: High-Performance Scientific Computing

Verlag: Springer International Publishing

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Abstract

Classic hybrid methods for computational aeroacoustics use different solvers and methods to predict the flow field and the acoustic pressure field in two separate steps, which involves data exchange via disk I/O between the solvers. This limits the efficiency of the approach, as parallel I/O usually does not scale well to large numbers of cores. In this work, a highly scalable direct-hybrid scheme is presented, in which both the flow and the acoustics simulations run simultaneously. That is, all data between the two solvers is transferred in-memory, avoiding the restrictions of the I/O subsystem. Results for the simulation of a pair of co-rotating vortices show that the method is able to correctly predict the acoustic pressure field and that it is suitable for highly parallel simulations.

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Vorheriges Kapitel FEniCS-HPC: Coupled Multiphysics in Computational Fluid Dynamics
Nächstes Kapitel A Novel Approach for Efficient Storage and Retrieval of Tabulated Chemistry in Reactive Flow Simulations
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Metadaten
Titel
The Direct-Hybrid Method for Computational Aeroacoustics on HPC Systems
verfasst von
Michael Schlottke-Lakemper
Hans Yu
Sven Berger
Andreas Lintermann
Matthias Meinke
Wolfgang Schröder
Copyright-Jahr
2017
Buch
High-Performance Scientific Computing

Print ISBN: 978-3-319-53861-7

Electronic ISBN: 978-3-319-53862-4

Copyright-Jahr: 2017

DOI
https://doi.org/10.1007/978-3-319-53862-4_7