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Research on Conceptual Modeling of Parallel Discrete Event Simulation

Author: HouBoNan
Tutor: YaoYiPing
School: National University of Defense Science and Technology
Course: Computer Science and Technology
Keywords: Conceptual model The basic Object Model (BOM) Modeling framework Parallel discrete event simulation (PDES)
CLC: TP391.9
Type: Master's thesis
Year: 2008
Downloads: 201
Quote: 3
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Abstract


The conceptual model of domain experts, modelers, developers, and testers bridge and link to favor clear emulation demand, to achieve the articulate and consistent understanding of the needs. Conceptual modeling is the most important part of the simulation development process. As the parallel discrete event simulation using event-driven mechanism, the modeling methods are quite different with traditional distributed interactive simulation, operation mechanism, the concept of existing for Distributed Interactive Simulation modeling method is difficult to meet the parallel discrete event simulation on the needs of the conceptual model. To this end, the study for conceptual modeling parallel discrete event simulation to explore effective model represents the concept means and modeling methods, simulation applications to assist users and developers clearly needs to improve the development and testing of the simulation system efficiency, promote parallel discrete event simulation to promote the popularity of such great significance. Papers for parallel discrete event simulation modeling characteristics on the basis of a comprehensive analysis of existing conceptual modeling techniques, in-depth analysis and research is the key concept of parallel discrete event simulation modeling techniques. The main work and innovation, including: 1. Conceptual model is conducive to clear emulation demand, a consistent understanding of the categories of personnel needs. The basic object model (BOM) ontology engineering ideas, portray the concept of both static and dynamic elements and their relationships. The thesis focuses on the characteristics of parallel discrete event simulation modeling based the BOM standard parallel discrete event simulation conceptual model representation. This method uses the BOM template defined to represent the conceptual model elements, and to build a mapping between the conceptual model and parallel simulation model, complete and clear that the concept of parallel simulation model and is conducive to the development of guidance parallel simulation model. Conceptual model is suitable for parallel discrete event simulation, extension of the the BOM concept model defined: BOM standards based on increased demand for parallel discrete event simulation modeling of complex data type, the dynamic data type scalable to support complex data types and attribute initialization flag; entity attribute initialization demand for parallel discrete event simulation, on the basis of the BOM standard input-output flag, and announced / Order signs, making based on extended BOM a conceptual model to better meet the needs of the parallel discrete event modeling. Pace et al proposed a conceptual modeling framework improvements, proposed the concept of parallel discrete event simulation modeling process, the follow the authoritative data collection, the development of a conceptual model to determine the simulation elements, developed the concept of entities and concepts event designed state machine and the interaction mode iterative process in four stages, by example, a detailed analysis of the conceptual entity, the concept of the event, the state machine, modes of interaction, the concept of model development methods and processes, to provide guidance for conceptual modeling, and which Experiences and Lessons of a summary. Based on the above, designed to achieve a conceptual model of development tools the SUPE-CMD and conceptual model library. As an important part of the YH-SUPE parallel simulation development environment and run support, SUPE-CMD support BOM-based conceptual modeling, tables and graphical modeling interface, support for the user to quickly and efficiently build a conceptual model. The realization of the conceptual model library provides effective support model reuse. Test and trial: parallel discrete event simulation conceptual model based on BOM and conceptual modeling method is feasible; conceptual model development tools and conceptual model library is easy to use, stable and reliable, and can effectively support the concept of parallel discrete event simulation modeling .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Computer simulation
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