Volume 21 (2023)
Volume 20 (2022)
Volume 19 (2021)
Volume 18 (2020)
Volume 17 (2019)
Volume 16 (2018)
Volume 15 (2017)
Volume 14 (2016)
Volume 13 (2015)
Volume 12 (2015)
Volume 11 (2014)
Volume 9 (2012)
Volume 10 (2012)
Volume 8 (2010)
Volume 6 (2007)
Volume 5 (2006)
Volume 4 (2006)
Volume 3 (2005)
Volume 2 (2004)
Volume 1 (2003)
Nurse Rostering Problem Considering Drect andIndirect Costs: Deferential Evolution Algorithm

Mohammad Reza Hassani; Javad Behnamian

Volume 19, Issue 61 , August 2021, , Pages 1-32


  The employee scheduling seeks to find an optimal schedule for employees according to the amount of demand (workload), employee availability, labor law, employment contracts, etc. The importance of this problem in improving the quality of service, health and satisfaction of employees and reducing costs, ...  Read More

Optimizing Penalties of Total Lateness and Energy Costs for Heterogeneous Parallel Machines Scheduling Using Memetic Algorithm

Javad Behnamian; Amir Afsar

Volume 18, Issue 58 , October 2020, , Pages 29-57


  In general, numerous studies have paid a special attention to machine planning, job allocating and job sequencing in scheduling problems to optimize makespan. Due to the relation among economy, energy and environmental concerns, energy use is one of the most important issues in different systems planning. ...  Read More

Designing a Cooperative Multi-Echelon Fuzzy Supply Chain Considering Discount and Marketing Costs: a Game Theory Approach

Javad Behnamian; Mohammad Mehdi Bashar

Volume 18, Issue 56 , April 2020, , Pages 51-86


  Cooperation in supply chain, due to conflicts in goals, is one the most important topics in SCM. With cooperation, players in supply chain echelons have agree with each other to play in supply chain game as a whole. To reach highest profit in the whole supply chain in cooperation condition, using game ...  Read More

Undesirable facility location using Lagrangian relaxation method
Volume 17, Issue 53 , July 2019, , Pages 81-108


  Overally location problem could be classified as desirable facility location and undesirable facility location. In the undesirable facility location problem contrary to desirable location, facilities are located far from service receiver facilities as much as possible. The problem of locating such facilities ...  Read More

Proposing a Mathematical Model and Lower Bound for Ergonomic Job Rotation Scheduling Problem

Javad Behnamian; Zeinab Akhavan

Volume 16, Issue 50 , October 2018, , Pages 105-124


  Work in industrial workshops and heavy activities has effects on the health of workers and in terms of occupational hazards associated with many risks for them. Since in the industrial units there are different works in terms of ergonomic load and hardship of work, the occupational hazards can be reduced ...  Read More

Particle Swarm Optimization to Solve Competitive Production Routing Problem

Farzaneh Adabi; Javad Behnamian

Volume 16, Issue 49 , July 2018, , Pages 105-138


  The production routing problem (PRP) integrates vehicle routing and production planning problems. Generally, in PRPs, the impact of competitors has not been considered. Clearly, in the real world, it is no longer possible to have a monopoly market. In competitive environment, customers choose a supplier ...  Read More