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首页> 外文期刊>Journal of Construction Engineering and Management >Formalized Approach to Discretize a Continuous Plant in Construction Simulations
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Formalized Approach to Discretize a Continuous Plant in Construction Simulations

机译：施工仿真中离散化连续工厂的形式化方法

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9%The lack of the expertise and resources, the unavailability of sufficient and complete operations data, and the absence of relevant site information present obstacles to applying combined simulation modeling in practice. Construction modelers are required to make critical decisions in a short turnaround time for planning operations and improving productivity. Thus, a more convenient discrete event simulation-based approach in simulating the production capacity of the continuous plant given limited data availability is desirable and formalized, which essentially discretizes the modeling of continuous elements in a predominantly discrete system without loss of significance or accuracy. As such, a direct application of a discrete simulation method intended for construction applications will offer a straightforward, sufficient solution to model the whole system. A concrete pumping case is used to illustrate the proposed approach. The effectiveness of the proposed approach is further demonstrated to tackle a real-world challenge: modeling iron ore mining operations to achieve efficiency and enhance productivity. Especially, the formula proposed is applied to simplify the modeling of the iron ore processing plant with magnetic separation drums, which constitutes the major plant used for extracting iron sand from the slurry of iron ore. A discrete event simulation model was rapidly developed for the complex mining system and the insight derived from simulation experiments assisted a mining company in (1) configuring the processes of raw sand excavation, iron sand magnetic separation and iron sand shipment at a seaport, (2) optimizing resource allocation and utilization. In conclusion, the proposed approach adds to the usefulness and flexibility of a discrete simulation methodology in modeling complicated construction systems.
机译：9％缺乏专业知识和资源，缺乏足够和完整的运营数据以及缺乏相关的站点信息，这在实际中应用组合仿真模型构成了障碍。要求施工建模人员在短的周转时间内做出关键决策，以规划运营并提高生产率。因此，在有限的数据可用性下模拟连续工厂的生产能力时，需要一种更为方便的基于离散事件模拟的方法并将其形式化，该方法实质上可以离散化主要离散系统中连续元素的建模，而不会损失重要性或准确性。这样，直接用于建筑应用的离散仿真方法的应用将提供直接，足够的解决方案来对整个系统进行建模。具体的泵送案例用于说明所提出的方法。进一步证明了所提出方法的有效性，以解决现实世界中的挑战：对铁矿石开采作业进行建模以实现效率和提高生产率。特别是，提出的公式适用于简化具有磁选鼓的铁矿石加工厂的建模，该设备构成了从铁矿石浆中提取铁砂的主要工厂。针对复杂的采矿系统迅速建立了离散事件模拟模型，并且通过模拟实验得出的见解帮助矿业公司（1）配置了在港口进行生砂挖掘，铁砂磁选和铁砂运输的过程，（2） ）优化资源分配和利用。总之，所提出的方法增加了离散模拟方法在复杂建筑系统建模中的实用性和灵活性。

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