2010:179 CIV MASTER'S THESIS Analysis of Holes and Spot Weld Joints Using Sub Models and Superelements Viktor Larsson Luleå University of Technology MSc Programmes in Engineering Mechanical Engineering Department of Applied Physics and Mechanical Engineering Division of Solid Mechanics 2010:179 CIV - ISSN: 1402-1617 - ISRN: LTU-EX--10/179--SE