نتایج جستجو برای: network design problem

تعداد نتایج: 2258752  

Journal: :Transportation Research Part B-methodological 2023

We propose a new approach to formulating the Scheduled Service Network Design Problem (SSNDP) that involves modeling with enumerated consolidations of shipments routed on physical network. This is in contrast classical capturing synchronization vehicles and needed for consolidation time-expanded The proposed formulation has both stronger linear relaxation less symmetric. present multiple speed-...

This paper considers the reliable multi-product multi-vehicle multi-type link logistics network design problem (RMLNDP) with system disruptions, which is concerned with facilities locating, transshipment links constructing, and also allocating them to the customers in order to satisfy their demand on minimum expected total cost (including locating costs, link constructing costs, and also expect...

Journal: :مهندسی صنایع 0
رضا قسمتی کارشناس ارشد دانشکدة مهندسی صنایع، دانشگاه علم و صنعت مهدی غضنفری استاد دانشکدة مهندسی صنایع، دانشگاه علم و صنعت میرسامان پیشوایی استادیار دانشکدة مهندسی صنایع، دانشگاه علم و صنعت

supply chain network design decisions are among the strategic decisions of supply chain management which play significant role on the efficient performance of the supply chain. however, there are two challenging factors which may have great impact on the supply chain performance. these factors are on the one hand disruptions and their attendant damages and on the other hand uncertain nature of ...

Journal: :international journal of supply and operations management 2015
davood shishebori abdolsalam ghaderi

proposing a robust designed facility location is one of the most effective ways to hedge against unexpected disruptions and failures in a transportation network system. this paper considers the combined facility location/network design problem with regard to transportation link disruptions and develops a mixed integer linear programming formulation to model it. with respect to the probability o...

Journal: :Transportation Research Part E-logistics and Transportation Review 2021

Planning cost-effective logistics operations involve the integration of multiple decision-making levels. In domain supply chain management, last decades have seen emergence 3PL service providers that specialize in integrating warehousing and transportation services. this paper, we study performed by a provider management French restaurant chain. The planning process is assisted solving Logistic...

2009
Fred J. Rispoli Steven Cosares

We investigate a random network design problem speci…ed by a complete graph with n nodes whose edges have associated …xed costs that are independent random variables, and variable costs associated that are also independent random variables. The objective is to …nd a spanning tree whose total …xed cost plus total variable cost is minimum, where the total variable cost is the sum of variable cost...

Journal: :European Journal of Operational Research 2007
Edgar Alberto Cabral Erhan Erkut Gilbert Laporte Raymond A. Patterson

The network design problem with relays (NDPR) is defined on an undirected graph G = (V,E,K), where V = {1, . . . ,n} is a vertex set, E = {(i, j) : i, j 2 V, i < j} is an edge set. The set K = {(o(k),d(k))} is a set of communication pairs (or commodities): o(k) 2 V and d(k) 2 V denote the origin and the destination of the kth commodity, respectively. With each edge (i, j) are associated a cost ...

2003
G. E. Cantarella G. Pavone A. Vitetta

The concentration of human activities in urban areas has induced an increase in travel demand. This has brought urban transport systems to considerable levels of congestion, with negative environmental effects and external diseconomies leading to a poor quality of life. Therefore quantitative methods for urban network design have been developed in order to assure more effective results. The net...

Journal: :Operations Research 2005
Jia Shu Chung-Piaw Teo Zuo-Jun Max Shen

In this paper, we study the stochastic transportation-inventory network design problem involving one supplier and multiple retailers. Each retailer faces some uncertain demand. Due to this uncertainty, some amount of safety stock must be maintained to achieve suitable service levels. However, risk-pooling benefits may be achieved by allowing some retailers to serve as distribution centers (and ...

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