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Authors: Christian Bartelt ; Karina Rehfeldt and Stefan H.A. Wittek

Affiliation: Clausthal University of Technology, Germany

Keyword(s): Simulation, Time-Warp, Scheduling.

Related Ontology Subjects/Areas/Topics: Discrete-Event Simulation ; Distributed Simulation ; Formal Methods ; Simulation and Modeling

Abstract: Nowadays many engineered systems are modelled and simulated before their production. A common problem is that all modules and properties of complex systems cannot be modelled within only one simulation suite because they require different (proprietary) simulation software. This makes it desirable to be able to simulate a whole system simulation as cooperating simulation modules. To be efficient the communication between the modules has to be fast and must not be a bottleneck. In this paper we propose a theoretical concept to connect heterogeneous simulation modules. We utilize the mechanism of optimistic scheduling but expand it by using a heuristic to fast determine values. Our concept uses the rollback known from time warp mechanism. A module needs a certain amount of input data to process and when this data is not present at the given time of processing we use the heuristic to get all missing data. With these two enhancements we can limit the amount of rollbacks while speeding up the processing time of the whole system simulation. (More)

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Paper citation in several formats:
Bartelt, C.; Rehfeldt, K. and Wittek, S. (2014). Speed up of Co-Simulation by a Heuristic Time Warp Mechanism. In Proceedings of the 4th International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH; ISBN 978-989-758-038-3; ISSN 2184-2841, SciTePress, pages 267-273. DOI: 10.5220/0005107502670273

@conference{simultech14,
author={Christian Bartelt. and Karina Rehfeldt. and Stefan H.A. Wittek.},
title={Speed up of Co-Simulation by a Heuristic Time Warp Mechanism},
booktitle={Proceedings of the 4th International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH},
year={2014},
pages={267-273},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005107502670273},
isbn={978-989-758-038-3},
issn={2184-2841},
}

TY - CONF

JO - Proceedings of the 4th International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH
TI - Speed up of Co-Simulation by a Heuristic Time Warp Mechanism
SN - 978-989-758-038-3
IS - 2184-2841
AU - Bartelt, C.
AU - Rehfeldt, K.
AU - Wittek, S.
PY - 2014
SP - 267
EP - 273
DO - 10.5220/0005107502670273
PB - SciTePress

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