This work is motivated by the need to solve the inventory routing problem when implementing a business practice called vendor managed inventory replenishment (VMI). With VMI, vendors monitor their customers’ inventories, and decide when and how much inventory should be replenished at each customer. The inventory routing problem attempts to coordinate inventory replenishment and transportation i...

background: in the recent years, new medical technologies and their probable misusing have emerged public concerns about medical ethics. medical ethics is a practical discipline that provides a structured approach for identifying, analyzing, and resolving ethical issues in clinical medicine. methods: in this study we reviewed some new methods of teaching medical ethics in other countries by sea...

Globalization is putting enormous pressure on the business organizations specially manufacturing one to rethink the supply chain in innovative manners. Inventory consumes major portion of total sale revenue. Effective and efficient inventory management plays a vital role for the successful functioning of any organization. Selection of inventory policy is one of the important purchasing activiti...

Abstract In the Inventory Routing Problem, customer demand is satisfied from inventory which replenished with capacitated vehicles. The objective to minimize total routing and holding cost over a time horizon. If customers are located relatively close each other, one has opportunity satisfy of by stored at another nearby customer. optimization replenishments, this option can be included lower c...

This paper presents a column generation algorithm for solving combined vehicle and inventory problems. This problem is based on the idea of coordinating customer inventory levels through a minimum routing cost. This is a combinatory decision problem since vehicle routing and inventory problems, are combined. Using the column generation method, we can iteratively generate interesting routes to t...