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 F
Appendix F
Pages 204-210
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From page 204... ...
Some of the issues that arise are as follows: · How can a modeler discover models that are relevant to project objectives? · How can models be designed so that they can not only serve their current purposes but also anticipate future needs?
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From page 205... ...
· Building block components for application domains. With some foresight it may be possible to design components from which a wide variety of models can be synthesized for a particular application domain.
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From page 206... ...
The added complexity associated with coordinating individual efforts may greatly increase the difficulties in achieving reusability, while at the same time increasing the payoffs in doing so. Models developed from systems concepts have identified input and output ports that enable them to be coupled together to form larger aggregates.
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From page 207... ...
In a subsequent study trading off alternative future forces and weapons, the outcomes might be strongly affected by the carryover data (e.g., one force might do poorly because it runs out of weapons or fuel, or is assumed to stop for a slow logistics tail) when the analysts are implicitly assuming that the future forces would be accompanied by suitable logistics.
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From page 208... ...
These were building-block models. Other building blocks were decision models representing behavior of theater commanders and top-level military and political authorities.3 The theater-commander models took the form of alternative adaptive war plans such as rigid defense at the inner-German border versus a defense strategy that permitted early fallbacks to the Weser-Lech "line" if necessary.
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From page 209... ...
Both sides' plans included nuclear options and adaptations to the other side's nuclear use. Particular instantiations of the RSAS were created for particular theaters, notably Europe's Central Region and, to a lesser degree, Southwest Asia and Korea, and the "theater" of intercontinental nuclear war.
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From page 210... ...
Whether that is achieved depends on the intensity of devotion to keeping the JWARS effort an "open architecture" that can readily accommodate alternative modules and, thus, evolve if newer and better representations emerge of important objects or processes. The panel's experience has consistently been that day-to-day and economic pressures are almost always in favor of relatively monolithic, not extremely modular, constructions.
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