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Step-consistent high-throughput shared-memory communication for FMI-based co-simulation

delete2026-07-23
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OA
AI
W
Woo-Sung Jung *
J
Jeongsik Kim
H
Ho-Min Park
S
Saehoon Kang
D
Dae Seung Yoo
DOI:10.1016/j.simpat.2026.103326delete
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Abstract

Abstract

En 中文
High-throughput data exchange is a critical requirement for FMI-based co-simulation, particularly in digital twin and cyber–physical system validation scenarios involving large shared state variables. Although shared-memory communication can significantly reduce latency by eliminating redundant memory copies, naïve implementations often violate FMI step semantics when multiple consumers concurrently access shared buffers. Such violations can lead to step mismatches, torn reads, and non-deterministic simulation behavior even when wall-clock timing constraints are satisfied.
Keywords:
FMI 2.0
Co-simulation
Shared memory
Simulation interoperability
Deterministic execution
Real-time simulation
Digital twin
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Journal

Simulation Modelling Practice and Theory cover
Simulation Modelling Practice and Theory
IF:
4.6
Papers:
2.6K
Citations:
4.8K

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