Evaluation of a bi-objective vehicle routing problem considering time constraints

Ruhollah Ebrahimi Gorji; Hamed Soleimani; Behrouz Afshar-Nadjafi

Volume 9, Issue 1 , July 2022, , Pages 148-164


  In today's competitive market, reducing costs and time is one of the most important issues that has occupied the minds of managers and researchers. This issue is especially important in the field of supply chain management and transportation because by reducing time and cost, manufacturers and service ...  Read More

Solving the Vehicle Routing Problem with Simultaneous Pickup and Delivery by an Effective Ant Colony Optimization

M. Sayyah; H. Larki; M. Yousefikhoshbakht

Volume 3, Issue 1 , June 2016, , Pages 15-38

  One of the most important extensions of the capacitated vehicle routing problem (CVRP) is the vehicle routing problem with simultaneous pickup and delivery (VRPSPD) where customers require simultaneous delivery and pick-up service. In this paper, we propose an effective ant colony optimization (EACO) ...  Read More