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Title: Experimenting with Matryoshka co-simulation: building parallel and hierarchical FMUs
Authors: Galtier, Virginie
Ianotto, Michel
Caujolle, Mathieu
Corniglion, Rémi
Tavella, Jean-Philippe
Evora Gomez,Jose 
Hernández Cabrera, José Juan 
Reinbold, Vincent
Kremers, Enrique
UNESCO Clasification: 33 Ciencias tecnológicas
Keywords: Co-simulation tool
Multi-threaded execution
Master algorithm
FMI standard
Issue Date: 2017
Journal: Linköping electronic conference proceedings 
Abstract: The development of complex multi-domain and multi-physic systems, such as Smart Electric Grids, havegiven rise to new challenges in the simulation domain.These challenges concern the capability to couple multi-ple domain-specific simulators, and the FMI standard isan answer to this. But they also concern the scalabilityand the accuracy of the simulation within an heterogenoussystem. We propose and implement here the concept of aMatryoshka FMU, i.e. a first of its kind FMU compliantwith the version 2.0 of the FMI standard. It encapsulatesDACCOSIM– our distributed and parallel master architec-ture – and the FMUs it controls. The Matryoshka auto-matically adapts its internal time steps to ensure the re-quired accuracy while it is controlled by an external FMU-compliant simulator. We present the JavaFMI tools andtheDACCOSIMmiddleware used in the automatic buildingprocess of such Matryoshka FMUs. This approach is thenapplied on a real-life Distributed Energy System scenario.Regarding the Modelica system simulated in Dymola, im-provements up to 250% in terms of computational perfor-mance are achieved while preserving the simulation accu-racy and enhancing its integration capability.
ISBN: 978-91-7685-575-1
ISSN: 1650-3686
DOI: 10.3384/ecp17132663
Source: Proceedings of the 12th International Modelica Conference / Andreas Nicolai; Anne Paepcke (ed.), May 15-17, 2017, Prague, Czech Republic. p. 663-671
Appears in Collections:Actas de congresos
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