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首页> 外文会议>2007 summer computer simulation conference (SCSC'07) >Practical Use of Components in Agro-Ecological Simulation
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Practical Use of Components in Agro-Ecological Simulation

机译：组件在农业生态模拟中的实际使用

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摘要

The use of components to construct simulation modelsrnhas many advantages and the technique is being used byrnmany modelers. However, in modeling agro-ecologicalrnsystems, there are some practical problems associated withrntightly linked components. The objective of this paper is tornpresent practical solutions to these problems. First, werndescribe a model of a dairy farm with component modelsrnsuch as livestock, crops, and manure storage. Eachrncomponent partitions its nutrient inflows into variousrnoutflows. The partitioning is driven by the inflows and somernprocess parameters, but is not affected by the state of therncomponent. Thus, linking livestock and crops results in arncircular dependency. This dependency is addressed by thernintroduction of a specialized component. Second, wernconsider a dynamic model of crop growth, soil water andrnsoil nitrogen. Here, we show that dependencies betweenrncomponent models that arise when we model competitionrnfor light, water and nutrients can be reduced by introducingrnspecialized components. In conclusion, the practicalrnproblems that have cropped up in our work werernsuccessfully addressed and re-use of our component modelsrnhas become more intuitive.
机译：使用组件来构建仿真模型具有许多优点，许多建模人员正在使用该技术。但是，在对农业生态系统进行建模时，存在与紧密链接的组件相关的一些实际问题。本文的目的是为这些问题提供切实可行的解决方案。首先，我们描述了一个奶牛场的模型，其中包括牲畜，农作物和粪便存储等组成模型。每个成分将其养分流入分成各种流出。分区由流入和某些过程参数驱动，但不受组件状态的影响。因此，将牲畜和农作物联系起来会导致雀巢依赖。通过引入专门的组件可以解决这种依赖性。其次，考虑作物生长，土壤水分和土壤氮素的动态模型。在这里，我们表明，通过引入专门的成分，可以减少对光，水和养分竞争建模时出现的成分模型之间的依赖性。总而言之，成功解决了我们工作中出现的实际问题，并且重新使用了组件模型也变得更加直观。

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