Document Type : Original Article


1 M.A., Shahid Beheshti University.

2 Associate Professor, Shahid Beheshti University.

3 Professor, Shahid Beheshti University.


With the development of the global economy and the spread of e-marketing across countries, how a logistics system is managed efficiently has become a key issue for cost-cutting companies, especially multinationals that are in a tough competitive environment. One of the most suitable areas for integration in logistics networks is the integrated design of direct and reverse logistics networks, which can prevent overlap from the design of separate direct and reverse logistics networks. In this paper, a mixed integer linear programming model for the design of a direct and reverse logistics integrated network with the aim of minimizing costs is presented. Given that the proposed model belongs to the NP-hard category, two algorithms of Memetic algorithm (MA) and TPA group process algorithm are employed to solve the model. The algorithms are compared in terms of the best value of the objective function and the first time to reach the best value of the objective function. Based on the results, the Memtec algorithm was superior in terms of the objective function value and the group process algorithm was superior in terms of time.


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