Structural dynamics 39 Mathematical models 24 Mathematics 15 Data processing 8 Vibration 5 Fluid dynamics 4 Functional analysis 4 Industrial buildings 4 Machinery 4 Structural analysis (Engineering) 4 Earthquake engineering 3 Finite element method 3 Modal analysis 3 Spectral theory (Mathematics) 3 Structural frams 3 Buckling (Mechanics) 2 Cranes, derricks, etc 2 Damping (Mechanics) 2 Dynamics 2 Eigenvalues 2 Engineering mathematics 2 Formulae 2 Mathematical model 2 Mathematicals models 2 Stochastic processes 2 Earthquake prediction 1 Seismology 1 Stochastic analysis 1