The problem to find an optimal control for a multi-location inventory model with lateral transshipments in general can not be solved in an analytical way. The main reason for having only a few results on multi-location models with lateral transshipments is the fact that the solution of such models is connected with a lot of analytical and numerical problems. In the case of non-linear cost funct...

In this paper, we considered a deterministic inventory model with time-dependent demand and time-varying holding cost where deterioration is time proportional. The model considered here allows for shortages, and the demand is partially backlogged. The model is solved analytically by minimizing the total inventory cost. The result is illustrated with numerical example for the model. The model ca...

Most cities around the world are in danger of disasters. Among disasters, the earthquake is the most dangerous and ruining one. Iran has been located in the Alpine-Himalayas seismic belt, and because of the significant frequency of severe earthquakes happening all over the country compare to other countries and the state of the unsecured residential and non-residential buildings in most of the ...

Abstract Interaction effect across complementary products plays an important role in characterizing the optimal inventory policy. The levels of are interrelated due to interaction between demand streams. In this paper, we consider a periodic review base-stock policy presence two with demands and joint replenishment. Demands modeled by Poisson process any unmet is lost. can be sets one unit each...

penstemon oklahomensis is an endemic to the southern plains region that occurs in Oklahoma and one location in Texas. As an aid to conservation of this species, we used a species distribution model to map the possible extent of penstemon oklahomensis in Oklahoma. Location data were derived from specimens in the Oklahoma Vascular Plants Database and occurrence records maintained by the Oklahoma ...

We propose a mixed integer nonlinear programming model for the design of a one-period planning horizon supply chain with integrated and flexible decisions on location of plants and of warehouses, on levels of production and of inventory, and on transportation models, considering stochastic demand and the ABC classification for finished goods, which is an NP-hard industrial engineering optimizat...

The purpose of this paper is to provide a comprehensive review of the nondeterministic Vehicle Routing Problem (NDVRP). In this paper, NDVRP is divided into two categories, singlet NDVRP and double NDVRP. Research progress of each category is reviewed, and the existing problems in contemporary study are summarized. Furthermore some issues for further research are also presented: build complex l...

Clark and Scarf [1960] characterize optimal policies in a two-echelon, twolocation inventory model. We extend their result to the infinite-horizon case (for both discounted and average costs). The computations required are far easier than for the finite horizon problem. Further simplification is achieved for normal demands. We also consider the more interesting case of multiple locations at the...

In this paper, we propose a simultaneous approach to incorporate inventory control decisions––such as economic order quantity and safety stock decisions––into typical facility location models, which are used to solve the distribution network design problem. A simultaneous model is developed considering a stochastic demand, modeling also the risk pooling phenomenon. We present a non-linear-mixed...