College Doctoral N attribue par la bibliotheque / / / / / / / / / / / THESE Pour obtenir le grade de Docteur de l’Ecole Nationale Superieure des Mines de Paris Specialite Sciences et Genie des Materiaux Presentee et soutenue publiquement par Filip SISKA Le 26 novembre 2007 Continuum vs. dislocation dynamics modelling of thin lms Directeurs de these : Samuel FOREST Peter GUMBSCH Jury M. D. RAABE Rapporteur Max Planck Institute–Dusseldorf, Germany M. E. Van der GIESSEN Rapporteur University of Groningen, Netherlands M. M. FIVEL Examinateur INP–Grenoble, France M. S. FOREST Examinateur Ecole des Mines de Paris, France M. P. GUMBSCH Eeur University of Karlsruhe, Germany M. R. SEDLACEK Examinateur Technical University of Munchen, Germany M. O. THOMAS Examinateur UPC–Marseille, France M. D. WEYGAND Eeur University of Karslruhe, Germany Centre des Materiaux P.M. FOURT de l’Ecole des Mines de Paris —————————–Acknowledgements First of all, I would like to express many thanks to my advisor Mr. Samuel FORESTforgivingmetheopportunitytoworkonthisthesisandparticipatein theSizeDepEnproject. Heprovidedmeveryvaluableideas,advicesandguiding during the whole thesis. I would like to also thank for his personal support and spirit. Also his indestructible enthusiasm and positive mood brought big inspiration and favour for my work. Thank You very much again. Further I would like to thank to my other advisorsMr. Daniel WEYGAND and Mr. Peter GUMBSCH for their help, advices and guiding during ...