Introduction.- Initial position - Solutionprocess.- Disc with circular inclusion - Plane strain condition.- Validation of the analytical solution.- Summary and outlook.

Thomas Ranz works as an expert for the simulation of static tests and fatigue tests in the railway industry. He completed his academic training at TU Graz (civil engineering) and at the University of the German Federal Armed Forces Munich, Institute for Mechanics (doctorate). He gained professional experience in industry (MAN-Technology, Andritz AG and Siemens). He carried out research and teaching at the University of the German Federal Armed Forces Munich and the FH Joanneum Graz.