Improved satisfaction of university faculty by utilizing the Bat metaheuristic algorithm (Case study of the faculty of humanities, Islamic Azad University, Parand Branch)

Alireza Ariyazand; Hamed Soleimani; Farhad Etebari; Esmaeil Mehdizadeh

Volume 9, Issue 1 , July 2022, , Pages 95-108

  Scheduling is a vital part of daily life that has been the focus of attention since the 1950s. Knowledge of scheduling is a very important and applicable category in industrial engineering and planning of human life. In the field of education, scheduling, and timetabling for best results in classroom ...  Read More

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

Sustainable closed-loop supply chain network: Mathematical modeling and Lagrangian relaxation

Behrooz Khorshidvand; Hamed Soleimani; Mir Mehdi Seyyed Esfahani; Soheil Sibdari

Volume 8, Issue 1 , July 2021, , Pages 240-260

  This paper addresses a novel two-stage model for a Sustainable Closed-Loop Supply Chain (SCLSC). This model, as a contribution, provides a balance among economic aims, environmental concerns, and social responsibilities based on price, green quality, and advertising level. Therefore, in the first stage, ...  Read More

Modeling and solving a three-stage fixed charge transportation problem considering stochastic demand and price

N. Shirazi; M. Seyyed Esfahani; H. Soleimani

Volume 2, Issue 1 , June 2015, , Pages 27-40

  This paper considers a three-stage fixed charge transportation problem regarding stochastic demand and price. The objective of the problem is to maximize the profit for supplying demands. Three kinds of costs are presented here: variable costs that are related to amount of transportation cost ...  Read More