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Erschienen in: Computational Mechanics 6/2015

01.06.2015 | Original Paper

A plug-and-play coupling approach for parallel multi-field simulations

verfasst von: Hans-Joachim Bungartz, Florian Lindner, Miriam Mehl, Benjamin Uekermann

Erschienen in: Computational Mechanics | Ausgabe 6/2015

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Abstract

For multi-field simulations involving a larger number of different physical fields and in cases where the involved fields or simulation codes change due to new modelling insights, e.g., flexible and robust partitioned coupling schemes are an important prerequisite to keep time-to-solution within reasonable limits. They allow for a fast, almost plug-and-play combination of existing established codes to the respective multi-field simulation environment. In this paper, we study a class of coupling approaches that we originally introduced in order to improve the parallel scalability of partitioned simulations. Due to the symmetric structure of these coupling methods and the use of ’long’ vectors of coupling data comprising the input and output of all involved codes at a time, they turn out to be particularly suited also for simulations involving more than two coupled fields. As standard two-field coupling schemes are not suited for such cases as shown in our numerical results, this allows the simulation of a new range of applications in a partitioned way.
Fußnoten
1
In block-iterative coupling and partitioned approaches with direct access to discretization details, increasing the entries of the structural mass matrix is a further possible stabilization technique that dates back to 2003 and earlier (see [1] and citations therein).
 
3
Alya is developed at the Barcelona Supercomputing Center, cf. http://​www.​bsc.​es/​computer-applications/​alya-system.
 
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Metadaten
Titel
A plug-and-play coupling approach for parallel multi-field simulations
verfasst von
Hans-Joachim Bungartz
Florian Lindner
Miriam Mehl
Benjamin Uekermann
Publikationsdatum
01.06.2015
Verlag
Springer Berlin Heidelberg
Erschienen in
Computational Mechanics / Ausgabe 6/2015
Print ISSN: 0178-7675
Elektronische ISSN: 1432-0924
DOI
https://doi.org/10.1007/s00466-014-1113-2

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