Contact investigations of granular mechanical media in a tumbling sorting machine [Elektronische Ressource] / by Hashem Alkhaldi

Contact Investigations of Granular MechanicalMedia in a Tumbling Sorting MachineVon der Fakulta¨t Maschinenbau der Universit¨at Stuttgartzur Erlangung der Wurde eines Doktor-Ingenieurs (Dr.-Ing.)¨genehmigte AbhandlungbyHashem Alkhaldigeboren in Beirut (Libanon)Hauptberichter: Prof. Dr.–Ing. P. EberhardMitberichter: Prof. Dr. O. AbuzeidTag der Einreichung: 13. April 2007Tag der mundlichen Prufung: 19. June 2007¨ ¨Institut fu¨r Technische und Numerische MechanikUniversita¨t Stuttgart2007AcknowledgementsIt gives me great pleasure to take this opportunity to acknowledge my indebtedness to allthose who have helped me in one way or another in completing the present work.First and foremost, I would like to express my deepest thanks to my supervisor, Prof.Dr.-Ing. P. Eberhard, for his help, enthusiastic support, continuous encouragement andguidance during my research work. I am grateful to him for providing the opportunity todo this research under his supervision and his excellent monitoring of the study throughnumerousdiscussionsandusefuladvice,withoutwhichthisprojectwouldneverhavecometo fruition. Furthermore, he is gratefully acknowledged for the real comfortable workingenvironment and computer availability. I also want to thank Prof. Dr. O. Abuzeid forbeing the second reviewer of the thesis.I owe special thanks to Prof. Dr.-Ing. W. Schiehlen for the helpful and enjoyable dis-cussions I had with him.