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Research
Manufacturing and service operations, production and inventory systems, and supply chain management. Additional interests in various applications of stochastic modeling and optimization.
Research Laboratories
Selected Publications
Benjaafar, S., Y. Li, D. Xu and S. Elhedhli, "Demand Allocation in Systems with Multiple Inventory Locations and Multiple Demand Sources,", Manufacturing and Service Operations Management, 43-60, 2008.
Gaglioppa, F., L. Miller and S. Benjaafar, "Multi-Task/Multi-Stage Production Planning and Scheduling for Process Industries," to appear in Operations Research, 2008.
Hu, B. and S. Benjaafar, "On Server Partitioning in Queueing Systems during Rush Hour," to appear in Manufacturing and Service Operations Management, 2008.
Gayon, J. P., S. Benjaafar and F. de Véricourt, "Using Imperfect Demand Information in Production-Inventory Systems with Multiple Demand Classes," to appear in Manufacturing and Service Operations Management, 2008.
Benjaafar, S., E. Elahi and K. Donohue, "Outsourcing via Service Quality Competition," Management Science, 53, 241-259, 2007.
Lahmar, M. and S. Benjaafar, "Sequencing with Limited Flexibility," IIE Transactions, 39, 937 - 955, 2007.(Featured Article in IIE Solutions Magazine).
Benjaafar, S. and M. ElHafsi, "Production and Inventory Control of a Single Product Assemble-to-Order System with Multiple Customer Classes," Management Science, 52, 1896-1912, 2006.
Benjaafar, S., William L. Cooper and J. S. Kim, "On the Benefits of Inventory Pooling in Production-Inventory Systems," Management Science, 51, 548-565, 2005. Extended abstract in Manufacturing and Service Operations Management, 4, 12-16, 2002 (M&SOM Best Student Paper Award, Finalist).
Lahmar, M. and S. Benjaafar, "Design of Dynamic Distributed Layouts," IIE Transactions, 37, 303-318, 2005 (Featured Article in IIE Solutions Magazine).
Benjaafar, S., M. Elhafsi and F. de Véricourt, "Demand Allocation in Multi-Product, Multi-Facility Make-to-Stock Systems," Management Science, 50, 1431-1448, 2004.
Gurumurthi, S. and S. Benjaafar, "Modeling and Analysis of Flexible Queueing Systems," Naval Research Logistics, 51, 755-782, 2004.
Benjaafar, S., J. S. Kim and N. Vishwanadham, "On the Effect of Product-Variety in Production-Inventory Systems," Annals of Operations Research, 126, 71-101, 2004.
Gupta, D. and S. Benjaafar, "Make-to-order, Make-to-stock, or Delay Product Differentiation? - A Common Framework for Modeling and Analysis," IIE Transactions, 36, 529-546, 2004 (Featured Article in IIE Solution Magazine).
Strike, D. and S. Benjaafar, "Practice Abstract: Optimizing Inventory Control at 3M," Interfaces, 34, 115-116, 2004 (INFORMS Edelman Award, Semifinalist).
Lahmar, M., Hakan, E. and S. Benjaafar, "Resequencing and Feature Assignment on a Moving Assembly Line," IEEE Transactions on Robotics and Automation, 19, 23-37, 2003. Extended Abstract in Manufacturing and Service Operations Management, 31, 7-9, 2001 (M&SOM Best Student Paper Award, Finalist).
Benjaafar, S., "Modeling and Analysis of Congestion in the Design of Facility Layouts," Management Science, 48, 679-204, 2002.
Benjaafar, S., S. Heragu and S. Irani, "Next Generation Factory Layouts: Research Challenges and Recent Progress," Interfaces, 32, 58-76, 2002.
Bar-Cohen, A. Benjaafar, S. and M. Iyengar, "Design for Manufacturability of Natural Convection Cooled Heat Sinks," International Journal of Transport Phenomenon, 4, 43-57, 2002.
Working papers
Benjaafar, S., M. Elhafsi and T. Huang, "Optimal Control of a Production-Inventory System with both Backorders and Lost Sales," Management Science, in review.
Elahi, E., S. Benjaafar and K. Donohue, "Designing Service Competitions among Heterogeneous Suppliers," Management Science, in review.
Benjaafar, S., W. L. Cooper and S. Mardan, "Production-Inventory Systems with Imperfect Advance Demand Information and Updating," Operations Research, in review.
Yimin, Y. and S. Benjaafar, "A Customer-Item Decomposition Approach to Stochastic Inventory Systems with Correlation," Operations Research, in review.
Yimin, Y., S. Benjaafar and Y. Gerchak, "On Service Capacity Pooling and Cost Sharing among Independent Firms," Manufacturing and Service Operations Management, in review.
Benjaafar, S., M. ElHafsi, C. Y. Lee and W. Zhou, "Optimal Control of Assembly Systems with Multiple Stages and Multiple Demand Classes," Operations Research, in review.
Begnaud, J., L. Miller and S. Benjaafar, "The Multilevel Lot Sizing Problem with Flexible Production Sequences," IIE Transactions, in review.