Integrated cross-dock location and supply mode planning in retail networks

IF 9.8 1区 工程技术 Q1 ENGINEERING, INDUSTRIAL International Journal of Production Economics Pub Date : 2024-08-02 DOI:10.1016/j.ijpe.2024.109349
Tobias Potoczki , Andreas Holzapfel , Heinrich Kuhn , Michael Sternbeck
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Abstract

This paper considers the problem of integrating cross-docks (CDs) into a given retail supply network with the aim of minimizing related logistics costs. These comprise transportation costs, costs for setting up and operating CDs, inventory holding and purchasing costs. We present a novel mixed integer program (MIP) for optimizing the number and locations of CDs within the supply network as well as the selection of flow type (cross-docking or direct-to-warehouse shipping) and the associated delivery pattern tailored to a specific supplier. A numerical study shows that the original problem is difficult to solve for real-sized instances using a standard MIP solver. We therefore develop a hierarchical decomposition approach that achieves cost-efficient results compared to heuristic approaches, which assume linear transportation costs. In order to demonstrate the model’s applicability to real-life instances and to gain further practical insights we conducted a case study using data from a major European retail company. In this study we found that more than 6% of related logistics costs can be saved by setting up CDs within the supply network. We also show that existing approaches in literature may lead to unfavorable results in certain settings due to an overestimation of transportation bundling effects. Extensive numerical experiments and scenario analyses provide further managerial insights into the problem characteristics.

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零售网络中的跨货场位置和供应模式综合规划
本文探讨的问题是,如何将交叉货站(CD)整合到给定的零售供应网络中,以最大限度地降低相关物流成本。这些成本包括运输成本、建立和运营 CD 的成本、库存持有和采购成本。我们提出了一个新颖的混合整数程序(MIP),用于优化供应网络中周转箱的数量和位置,以及选择流动类型(交叉对接或直接到仓库运输)和针对特定供应商的相关交付模式。数值研究表明,使用标准的 MIP 求解器很难求解原始问题的实际大小。因此,我们开发了一种分层分解方法,与假设运输成本为线性的启发式方法相比,该方法能实现具有成本效益的结果。为了证明该模型适用于现实生活中的实例,并获得更多实用见解,我们利用一家大型欧洲零售公司的数据进行了案例研究。在这项研究中,我们发现,通过在供应网络中建立 CD,可以节省 6% 以上的相关物流成本。我们还表明,由于高估了运输捆绑效应,文献中的现有方法在某些情况下可能会导致不利的结果。大量的数值实验和情景分析为我们提供了对问题特征的进一步管理见解。
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来源期刊
International Journal of Production Economics
International Journal of Production Economics 管理科学-工程:工业
CiteScore
21.40
自引率
7.50%
发文量
266
审稿时长
52 days
期刊介绍: The International Journal of Production Economics focuses on the interface between engineering and management. It covers all aspects of manufacturing and process industries, as well as production in general. The journal is interdisciplinary, considering activities throughout the product life cycle and material flow cycle. It aims to disseminate knowledge for improving industrial practice and strengthening the theoretical base for decision making. The journal serves as a forum for exchanging ideas and presenting new developments in theory and application, combining academic standards with practical value for industrial applications.
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