Real life inventory lot sizing problems are frequently challenged with the need to order different types of items within same batch. The Joint Replenishment Problem (JRP) addresses this setting coordinated ordering by minimizing total cost, composed (or setup) costs and holding costs, while satisfying demand. complexity problem increases when some or all item prone obsolescence. In fact, may ex...

Classical spare parts inventory models assume that the same vintage of technology will be utilized throughout the planning horizon. However, replacement often occurs in the form of a new technology. A consequence of such replacements is the rendering of existing spare parts inventories obsolete and the necessity to purchase a new set. This paper aims to study the impact of spare parts inventory...

Abstract Planned obsolescence can artificially increase sales by stimulating desire or perceived need. This be done in many ways and some companies are releasing newer models sooner than necessary engineering the product to fail after a certain amount of use. In recent years, we have observed change pattern planned strategies employed technological companies, shifting from aesthetic obsolescenc...

Preserving historical buildings is a very essential aspect as these represent sociocultural indicators of the past. Historic may lose their function during life stages and become deserted. Adaptive reuse way to sustain building by changing its according area needs current context. Qishla Castle one Koya, Iraq’s most important buildings. In addition cultural status, it has an geographic location...