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Sanz Prat, Víctorino

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0000-0002-8628-4176
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Sanz Prat
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Víctorino
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20171
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    Extending Modelica Support for Parallel DEVS and Cellular Automata Modeling and Simulation
    (Nova Science Publishers, 2017-09) Sanz Prat, Víctorino; Urquía Moraleda, Alfonso
    Modelica is a general-purpose modeling language designed to describe mathematical models of physical systems using the object-oriented modeling approach. Since Modelica includes language constructs to manage discrete events, multiple discrete event modeling formalisms are supported, in the form of libraries of models. The authors have designed and developed the DEVSLib and CellularAutomataLib2 Modelica libraries to facilitate the description of Parallel DEVS (P-DEVS) and Cellular Automata (CA) models. P-DEVS can serve as underlying mathematical formalism to describe the discrete-event part of a hybrid model. The DEVSLib library has been used to develop the SIMANLib and ARENALib libraries that reproduce some functionality of the SIMAN language and the Arena simulation environment. On the other hand, the integration of CA models in Modelica is an interesting and promising topic. CA can be applied to the description of models that depend on the spatial coordinates and their simulation algorithm is conceptually simple. CellularAutomataLib2 facilitates the combination of CA models with the object-oriented modeling approach supported by Modelica. The design and functionality of these libraries and their integration with other Modelica models is discussed in this manuscript. Examples of a random delay P-DEVS model, a bank teller, a pendulum clock, an opto-electrical system, a tank level control system, a soaking-pit furnace and a SIR epidemic spread model are included to illustrate their functionality and use. These libraries are freely distributed at http://www.euclides.dia.uned.es.