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Shipment planning (SP) at regional distribution center (RDC) involves order consolidation and vehicle routing decisions under uncertain demands, which is generally very hard to be solved by traditional analytical methods such as mathematical programs. To cope with the complexity of this important problem existing in logistics systems, a general-purpose simulation optimization framework is proposed...
To assist government authorities identify evacuation strategy shortly after the outbreak of disasters, this paper proposes a GIS based urban emergency decision support model for large-scale crowd evacuation. The architecture and function of the model is devised to meet the need of scientific decisions in emergency management, and an expert system integrated with GIS is designed for evacuation planning...
Capacity planning in semiconductor manufacturing industry is a challenging task due to its high capital investments, volatile demands, and the long lead time. Current approaches to handle this problem are to model it as an optimization problem where the uncertain demand is either based on a single forecast, or is decomposed via a finite-scenario structure with an assigned probability for each scenario...
This paper first briefly reviews the typical functionality and structure of market-based generation and transmission planning tools. Possible new functions are discussed to include bidding strategy models and system dynamics models. The former is used to reflect the behavior and the learning process of market participants and the latter represents an information feedback loop to account for long term...
Time-cost optimization problem is one of the most important aspects of construction project planning and control. Construction planners must select appropriate resources, including crew size, equipment, methods and technologies to perform tasks of a construction project. In general, there is a trade-off between time and cost to complete a task; the less expensive the resources, the long it takes....
The construction industry has been facing a paradigm shift to (i) increase; productivity, efficiency, infrastructure value, quality and sustainability, (ii) reduce; lifecycle costs, lead times and duplications, via effective collaboration and communication of stakeholders in construction projects. Digital construction is a political initiative to address low productivity in the sector. This seeks...
Building on the extensive research in Virtual Reality (VR), we are proposing a new dynamic prototype for modelling and simulating carbon emissions in a virtual village called VIRVIL. VIRVIL is a simulated settlement for the assessment of the impact of low and zero carbon technologies and measures in the built environment. The prototype will focus on the impact on the community as a whole, as well...
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