An Inventory Model for Non-instantaneous Deteriorating Items Using Non-linear Stock Dependent Demand under Permissible Delay in Payments with Shortages

2012 ◽  
pp. 497-513
Author(s):  
Ashendra Kumar Saxena ◽  
Ravish Kumar Yadav
Keyword(s):  
Inventory Model ◽  
Deteriorating Items ◽  
Permissible Delay In Payments ◽  
Stock Dependent Demand ◽  
Non Linear ◽  
Delay In Payments ◽  
Dependent Demand

scholarly journals A periodic review inventory model with stock dependent demand, permissible delay in payment and price discount on backorders

2014 ◽  
Vol 24 (1) ◽  
pp. 99-110 ◽  
Author(s):  
Manisha Pal ◽  
Sujan Chandra
Keyword(s):  
Inventory Model ◽  
Periodic Review ◽  
Price Discount ◽  
Permissible Delay In Payments ◽  
Numerical Examples ◽  
Stock Dependent Demand ◽  
Permissible Delay In Payment ◽  
Delay In Payments ◽  
Periodic Review Inventory ◽  
Dependent Demand

In this paper we study a periodic review inventory model with stock dependent demand. When stock on hand is zero, the inventory manager offers a price discount to customers who are willing to backorder their demand. Permissible delay in payments allowed to the inventory manager is also taken into account. Numerical examples are cited to illustrate the model.

scholarly journals Inventory model of deteriorating items with two-warehouse and stock dependent demand using genetic algorithm in fuzzy environment

2012 ◽  
Vol 22 (1) ◽  
pp. 51-78 ◽  
Author(s):  
Dharmendra Yadav ◽  
S.R. Singh ◽  
Rachna Kumari
Keyword(s):  
Genetic Algorithm ◽  
Inventory Model ◽  
Deteriorating Items ◽  
Market Place ◽  
Time Value Of Money ◽  
Fuzzy Environment ◽  
Purchase Cost ◽  
Stock Dependent Demand ◽  
Fuzzy Goal ◽  
Dependent Demand

Multi-item inventory model for deteriorating items with stock dependent demand under two-warehouse system is developed in fuzzy environment (purchase cost, investment amount and storehouse capacity are imprecise ) under inflation and time value of money. For display and storage, the retailers hire one warehouse of finite capacity at market place, treated as their own warehouse (OW), and another warehouse of imprecise capacity which may be required at some place distant from the market, treated as a rented warehouse (RW). Joint replenishment and simultaneous transfer of items from one warehouse to another is proposed using basic period (BP) policy. As some parameters are fuzzy in nature, objective (average profit) functions as well as some constraints are imprecise in nature, too. The model is formulated so to optimize the possibility/necessity measure of the fuzzy goal of the objective functions, and the constraints satisfy some pre-defined necessity. A genetic algorithm (GA) is used to solve the model, which is illustrated on a numerical example.

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