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2021 | OriginalPaper | Buchkapitel

I/O Post- and Co-Processing for High-Order Methods

verfasst von : M. Rasquin, K. Hillewaert, F. Bassi, A. Colombo, F. Massa, G. Rahier, E. Martin, F. Renac

Erschienen in: TILDA: Towards Industrial LES/DNS in Aeronautics

Verlag: Springer International Publishing

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Abstract

While the exascale computing era is approaching, the growing gap between computing resources and IO bandwidth for massively parallel simulations has already become a major bottleneck for the scientific discovery process. In this context, various strategies to enable and accelerate the analysis of data produced by massively parallel high-order methods are presented, with an emphasis on in-situ visualization and co-processing techniques. First, a library of parallel procedures is presented for an efficient collection of turbulence statistics within the framework of a modal discontinuous Galerkin method. Afterwards, an acoustic co-processing strategy is presented whereby sound radiation calculations are performed concurrently with CFD calculations in order to avoid the need to store prohibitive amount of data. Finally, an open-source and scalable post-hoc visualization and processing tool dedicated to the analysis of large data sets produced by high order methods is first presented. This post-hoc processing tool has then been extended to a co-processing interface which enables live in-situ visualization and analysis of high-order solutions produced by massively parallel simulations.

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Titel: I/O Post- and Co-Processing for High-Order Methods
verfasst von: M. Rasquin
K. Hillewaert
F. Bassi
A. Colombo
F. Massa
G. Rahier
E. Martin
F. Renac
Verlag: Springer International Publishing
Buch: TILDA: Towards Industrial LES/DNS in Aeronautics
Print ISBN: 978-3-030-62047-9

Electronic ISBN: 978-3-030-62048-6

Copyright-Jahr: 2021
DOI: https://doi.org/10.1007/978-3-030-62048-6_9

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