Free boundary conditions Finite element method 6 Modal analysis 6 Dynamic behaviours 5 Experimental modal analysis 4 Finite-element model updating 3 Spot welding 3 Finite Element Analysis 2 Finite element modelling 2 Model Updating 2 Model updating 2 Natural frequencies and modes 2 Sols 2 Stitching (metal joining) 2 Welded structures 2 Welds 2 Accelerometers 1 Automotive industry 1 Automotive structures 1 Binary alloys 1 Bismuth alloys 1 Boundary conditions 1 Complex structure 1 Component mode synthesis 1 Concrete beams and girders 1 Degrees of freedom (DoFs) 1 Degrees of freedom (mechanics) 1 Dynamic Behaviour 1 Dynamic behaviour 1 Economical methods 1