Photoelastic investigation of mechanical problems in applying acetabulum cups to hip prosthesis Acta of Bioengineering and BiomechanicsVol. 8, No. 1, 2006 JANOŠ KODVANJ, STJEPAN JECILaboratory of Experimental Mechanics, University of Zagreb, CroatiaRUDOLF BEER, JOSEF EBERHARDSTEINERInstitute for Mechanics of Materials and Structures, Vienna University of Technology, Austria Acetabulum cups are the counterparts of endoprostheses, which are mounted in the pelvis. There aredifferent desig ...