A two step approach including scatter search algorithm for the integrated procurement, production and distribution planning

This paper proposes a new multi-site production planning model integrating procurement and distribution plans in a multi-echelon supply chain network including routing and fleet sizing problems as well as an advanced discount policy. A two step solution approach including scatter search (SS) algorithm is proposed in order to cope with these issues. The proposed model and solution method are validated through some numerical tests inspired by an automobile manufacturing company.