Technology for the United States Navy and Marine Corps, 2000-2035: Becoming a 21st-Century Force Volume 9: Modeling and Simulation (1997) / Chapter Skim
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Appendix G
Appendix G
Pages 211-215
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From page 211... ...
A universally accepted theory of M&S would provide the common conceptual framework and vocabulary for people from different backgrounds to communicate effectively. A second advantage is that rigorous principles provide the means to tackle problems beyond the reach of more informal methods.
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From page 212... ...
In choosing what to identify as key elements, the theory should draw on the actual practice of M&S so as to highlight distinctions that are indeed significant. As examples here, it is important to distinguish among the real system, a model, a simulator (e.g., a simulation program or a hardware flight simulator)
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This supports hierarchical construction, modular reuse, and hierarchical simulators. · The theory should support combination and extension of the basic formalisms.
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Such groups are said to be "isomorphic" or "equivalent." · The theory should permit transforming a model expressed in one formalism into an equivalent expressed in a different formalism (e.g., differential equation models can be cast into discrete-event equivalents, which are computationally more efficient)
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From page 215... ...
. ENCOMPASSING THEORIES The theory should provide the elements of manipulation for more encompassing theories such as those of systems engineering, design, and management.2 2For additional reading, see Praehofer (1991)
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