Optimizing Coordination Strategies in a Real Supply Chain: Simulation Approach Von der Fakultät für Ingenieurwissenschaften, Abteilung Maschinenbau der Universität Duisburg-Essen zur Erlangung des akademischen Grades DOKTOR-INGENIEUR genehmigte Dissertation von Tarak Ali Housein aus Benghazi / Libyen Referent: Univ.-Prof. Dr.-Ing. Bernd Noche Korreferent: Univ.-Prof. Dr.-Ing. Uwe Meinberg Tag der mündlichen Prüfung: 12.09.2007 ABSTRACT OF THE DISSERTATION In recent years the interest in the supply chain coordination field has been growing, both among companies and researchers, particularly in the area of transportations systems and logistics management. Many companies realize that coordinating supply chain activities can maximize the performance of the supply chain, through the minimization of the system-wide costs while still satisfying service level requirements. The coordination of inventory and distribution (transportation) activities are the effective key for efficient coordination of the supply chain. Therefore, this dissertation deals mainly with developing new coordination distribution strategies that coordinate the inventory and transportation activities and optimize the performance of the supply chain. These strategies are evaluated and their applications are reported using the real-life supply chain network which motivated this research.