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[交流] 仿真误区2:Leaving analysis for the end

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发表于 2009-7-16 16:27:37 | 显示全部楼层 |阅读模式
Deborah A. Sadowski ,Mark R. Grabau
) T: k; l+ q2 |0 X( pThere's a common misconception that performing a simulation study involves a sequence of steps (e.g., project definition, model formulation, verification, validation, analysis). To the contrary, all elements of a simulation project should be performed repeatedly throughout the effort, . I! q& h  f, B3 Q
growing in scope as the model progresses.  
  L  p! Z% D$ h3 uIn the traditional view, projects suffer from too strong a focus on the model (and perhaps the animation), so that after the inevitable delays and problems, there's no time left to run scenarios. Instead, the analyst is faced with a presentation deadline that's firm and little time to experi-
+ c3 `7 Z8 {, ~; qment, analyze, or think.
4 H4 E( [  A- }+ N9 B$ b& N, K' jInstead, you should schedule the project in complete phases. Intermediate milestones, spaced no more than about two weeks apart in a medium to large project, should include specific goals for the model, animation, data, and analysis. By the time you reach the last 25% of your time on the project, you should have addressed the basic analysis issues of run length, warm-up time, etc. and should already have performed preliminary analysis on the model for a number of different scenarios.
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