Klosterhalfen, S.T.; Kallrath, J.; Fischer, G. - In: International Journal of Production Economics 157 (2014) C, pp. 112-119
We develop a model to determine the optimal structure and size of a rail car fleet at a chemical company under uncertainty in demand and travel times as well as substitution between rail car types. First, we formulate an MILP model that accounts for the substitution relations between the types...