A bi-objective supplier location, supplier selection and order allocation problem with green constraints: scenario-based
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ORIGINAL RESEARCH
A bi‑objective supplier location, supplier selection and order allocation problem with green constraints: scenario‑based approach Maryam Hemmati1 · Seyed Hamid Reza Pasandideh1 Received: 9 March 2020 / Accepted: 15 September 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract In this study, There is a mixed-integer nonlinear program (MINLP) for a two-echelon supply chain that focuses on supplier location, supplier selection and order allocation with green constraints. This bi-objective model is designed and modeled with the aim of coordinating inventory and transportation among suppliers and warehouses and tries to simultaneously meet the targets of minimizing total costs and carbon dioxide emissions of polluting gas in transportation. Since some of the important parameters in this model are considered uncertain, the scenario-based analysis is proposed to deal with uncertainty. Thirty numerical examples with different values and various sizes are solved by applying two methods of MODM, LP metrics, and Multi-choice goal programming with utility functions (MCGP-U) and their results are compared with one of the soft computing methods, Genetic algorithm. TOPSIS, Coefficient of Variation (CV) and One-way analysis of variance (ANOVA) methods are employed for the comprehensive comparison of these numerical examples. Finally, the sensitivity analysis method and Tornado diagram are applied to analyze the effect of variations of the model’s inputs on the results of the model. Keywords Supplier location · Supplier selection · Order allocation · Scenario-based approach · Green supply chain
1 Introduction A supply chain is an integrated approach that concentrates on the synchronization of material flows between members of the chain so that the main goals in the supply chain network, including reducing system costs, increasing profits or increasing customer service levels, could be met (De Boeck and Vandaele 2008). In fact, the aim of the supply chain is to make a continuous relationship between the crucial components since when all of the elements involved in their supply chain harmoniously corporate with each other, the managers of the organizations can ensure that they will derive a great benefit in comparison with the cost paid (Amit 2005; Ranjbar Tezenji et al. 2016; Fakhrzad et al. 2020). According to these concepts and components, the scope of the supply chain can separate into three parts, contribution, production, and distribution, and each of these parts is associated with * Seyed Hamid Reza Pasandideh [email protected] Maryam Hemmati [email protected] 1
Department of Industrial Engineering, Faculty of Engineering, Kharazmi University, Tehran, Iran
a series of activities, for example, material planning and preparation of raw materials in the contribution part, planning of production, and inventory system in the production part, and the distribution part is related to the planning of the demand, shortage, and distributing of products to customers (Brito
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