Disaster relief operations: past, present and future

The aim of the preface is to introduce the scope of this special issue (SI). We explain our editorial approach and summarise our findings based on articles included in this SI. Finally, we outline future research questions which stemmed out of the discussions of this SI

A Multiobjective Modeling Approach For Joint Maintenance And Spare Parts Inventory Policy Optimization

The effective management of spare parts inventories remains a challenge for many organizations. The failure of a part can cause high downtime costs if spares are not available. However, maintaining high spares inventories often results in increased inventory costs. The main function of spare parts inventories is to support maintenance activities; consequently, spare part inventory policies and maintenance policies are highly interrelated. In this paper, we present a multiobjective formulation for joint maintenance and spare parts inventory policy optimization for a single-part, two-echelon inventory system with a single supplier and n customers