Özet:

In this study, vehicle routing problem of a logistics firm has been considered. In content of the study, vehicle rotation procedure is applied that is about optimization of distribution operations which creates big part of management costs; a suitable programming model is presented for the solution and it is tried to create a route plan with the help of GAMS program. In the study, distribution is aimed from one storage, according to demands of multiple clients by concerning limitations of the vehicles. It is tried to minimize the costs of distribution, penalty cost is given for every unsupplied demand unit. While concerning a set of operation limitations of the company, it is tried to designate the routes of vehicles to serve with minimum cost. In the study, beside of cost minimization, it is tried to meet every clients’ demands; by optioning penalty costs, it is tried to minimize the amount of unsupplied demands and the results are compared.