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DEVS M&S Tutorial 2 Chungman Seo cseo@email.arizona.edu
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Contents DEVSJAVA Lib DEVS Interface Expression of Atomic Model State Diagram DEVSJAVA code Structure Atomic model Coupled model Exercise : Fire once neuron
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DEVS Interface DEVS Supporting Interface DEVS Modeling Interface DEVS Simulation Interface
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DEVS Supporting Interface Provide a supporting environment for implementing DEVS implementations Basic data structures Entity Content Message Port
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Message-related-Interfaces ContentInterface A Pair of port-value MessageInterface A collection of contents
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Ensemble-Interface
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DEVS Modeling Interfaces
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Extending the “Core” interfaces interface dynamicStructureInterface { void addCoupling(String srcName, String p1, String destName, String p2); void removeCoupling(String srcName, String p1, String destName, String p2); void addModel(String ModelName); void removeModel(String ModelName); void addInport(String ModelName, String port); void addOutport(String ModelName, String port); void removeInport(String ModelName, String port);
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Simulator Interfaces coreSimulatorInterface atomicSimulatorInterface CoupledSimulatorInterface CoordinatorInterface CoupledCoordinatorInterface
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State Diagram of Atomic Model : Generator
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State Diagram of Atomic Model : Processor
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State Diagram of Atomic Model : Transducer
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Mapping state diagram to Atomic DEVS model
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Overall Structure of Atomic DEVS with DEVSJAVA
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Overall Structure of Coupled DEVS with DEVSJAVA
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Exercise : Fire-Once Neuron receptive refract Input fire Firing delay >0 Out Fire-once Neuron ta = ∞
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State Diagram : Fire-Once Neuron
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