Finite element method 7 Finite-element model updating Modal analysis 7 Experimental modal analysis 5 Finite element modelling 3 Free boundary conditions 3 Modal parameters 3 Model updating 3 Natural frequencies and modes 3 Welds 3 Assembled structures 2 Dynamic behaviours 2 Natural frequencies 2 Rivets 2 Spot welding 2 Stiffness 2 3D modeling 1 Automotive structures 1 Bolted joints 1 Bolts 1 Boundary conditions 1 Commercial software 1 Computational time 1 Concrete beams and girders 1 Contact interface 1 Degrees of freedom (mechanics) 1 Dynamic Behaviour 1 Element analysis 1 Engineering structures 1 Errors 1