An object-oriented simulation environment for airbase logistics
Article Abstract:
The subject of this paper, the Integrated Model Development Environment (IMDE), addresses basic difficulties experienced in simulating airbase logistics. These difficulties arise during two major modeling activities: 1. developing the conceptual model, and 2. translating the conceptual model to a particular simulation software implementation. The difficulty of the former activity is largely irreducible, a consequence of the inherent complexity of large, dynamic, and uncertain military systems such as airbase logistics. However, while the latter activity is also complex, key technologies have the potential to simplify this part of the modeling process. This paper discusses how a synergistic combination of object-oriented programming and data bases, graphical programming, software environments, and powerful computer workstations can provide significant enhancements to simulation modeling capabilities. In addition, the paper presents the object-oriented decomposition of the airbase logistics domain as it is implemented in IMDE. The paper also discusses how the IMDE design meets the needs of airbase logics modelers with widely differing capabilities and mission requirements. This is accomplished by providing different modeling "levels", each with its own user interface, skill requirements and degree of access to modeling tools. The paper concludes with a description of the current status of this large scale research and development effort. (Reprinted with permission of the publisher.)
Publication Name: SIMULATION
Subject: Engineering and manufacturing industries
ISSN: 0037-5497
Year: 1992
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Past accomplishments and future prospects in nuclear plant simulation
Article Abstract:
As of Mar 26, 1991, all nuclear power plant simulators certified under US Nuclear Regulatory Commission (NCR) regulation 10 CFR 55 were required to be in place and ready to be used for training and evaluation; 94 of 111 expected certifications were submitted by the deadline, and only 17 have sought schedule exemption from certification requirements. Simulators have not been used to best advantage in the past; they have applications for the industry beyond training and examinations, including modeling potential changes to plant systems and processes before implementation, evaluating "what if" questions, and serving as research laboratories. The NCR has decided to move away from exclusive reliance on plant inspections and licensee assessments based on files and records showing conformance to NCR regulations and toward more performance-based evaluations. The role of simulators in regulation compliance and other applications for the devices are discussed.
Publication Name: SIMULATION
Subject: Engineering and manufacturing industries
ISSN: 0037-5497
Year: 1991
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