concepts:in_a_nutshell
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concepts:in_a_nutshell [2009/10/08 17:20] deryn.crockett |
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| * **Coherency** - Scenarios must assure consistency among the input variables both over time and within time periods. For example, in an energy model, population and the services required by the population determine the level of economic activity. The level of economic activity in turn creates demands on the energy system. The way in which the energy system meets energy demands controls the emission of greenhouse gases and criteria air contaminants. The model assures coherency through the use of stock-flow accounting rules, base stocks and life tables, supply/disposition balances for fuels and feedstocks, and the explicit representation of energy transformations. | * **Coherency** - Scenarios must assure consistency among the input variables both over time and within time periods. For example, in an energy model, population and the services required by the population determine the level of economic activity. The level of economic activity in turn creates demands on the energy system. The way in which the energy system meets energy demands controls the emission of greenhouse gases and criteria air contaminants. The model assures coherency through the use of stock-flow accounting rules, base stocks and life tables, supply/disposition balances for fuels and feedstocks, and the explicit representation of energy transformations. | ||
| * **Adaptability** - New understanding and new data must be incorporated as they become available. Flexibility, modularity | * **Adaptability** - New understanding and new data must be incorporated as they become available. Flexibility, modularity | ||
| - | * **Realism** - The simulator must capture the essence the real world without oversimplification | + | * **Realism?** - The simulator must capture the essence the real world without oversimplification |
| * **Controllability** - The user must be able to experiment with control settings that make “the airplane fly safely, or crash” | * **Controllability** - The user must be able to experiment with control settings that make “the airplane fly safely, or crash” | ||
concepts/in_a_nutshell.txt · Last modified: 2009/12/17 21:01 by shona.weldon
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