We study a cement transportation problem with asset-management (equipment selection) for strategic planning scenarios involving multiple forms of transportation and network expansion. A deterministic mixed integer programming approach is difficult due to the underlying capacitated multi-commodity network flow model and the need to consider a time-space network to ensure operational feasibility....

www.extension.umn.edu/beef In spite of increasing corn prices, incentives for feedlot expansion exist in the Upper Midwest due to the increased supply of ethanol co-product feeds, relatively inexpensive corn and forage, availability of crop land for manure application, and clearly defined feedlot regulations in states like Minnesota. A recent estimate of distillers’ grains supply of 24 million ...

As road networks become increasingly congested, accurate information regarding their vulnerability to an amalgamation of situations becomes more vital. Understanding how accidents, routine closures (due to construction, public events, etc) and even premeditated attacks on individual arcs influence the road network may assist policy makers in decisions on network expansion or planning, helping t...

this research uses a comprehensive method to solve a combinatorial problem of distribution network expansion planning (dnep) problem. the proposed multi-objective scheme aims to improve power system's accountability and system performance parameters, simultaneously, in the lowest possible costs. the dynamic programming approach is implemented in order to find the optimal sizing, siting and...

Despite numerous research efforts of the past 40 years in the area of distribution expansion, a clear definition of the problem, and a truly multistage formulation that addresses practical concerns is yet to be developed. In this paper, the problem is clearly defined and analyzed from a practical point of view. A directed graph minimum edge cost network flow modeling of the problem for a truly ...

This paper presents a dynamic multi-objective model for distribution network expansion, considering the distributed generations as non-wire solutions. The proposed model simultaneously optimizes two objectives namely, total costs and technical constraint satisfaction by finding the optimal schemes of sizing, placement and specially the dynamics (i.e., timing) of investments on DG units and/or n...

BACKGROUND The analysis of scientific networks has been applied in health research to map and measure relationships between researchers and institutions, describing collaboration structures, individual roles, and research outputs, and helping the identification of knowledge gaps and cooperation opportunities. Driven by dengue continued expansion in Brazil, we explore the contribution, dynamics ...