Structural analysis (Engineering) Finite element method 20 Strength of materials 20 Mathematical models 15 Data processing 14 Mechanics, Applied 13 Structural design 13 Materials 12 Design and construction 9 Airframes 8 Nonlinear mechanics 7 Bridges 6 Buildings 6 Elastic analysis (Engineering) 6 Matrix methods 6 Strains and stresses 6 Structural dynamics 6 Concrete construction 5 Mathematics 5 Statics 5 Steel, Structural 5 Computer-aided engineering 4 Mechanical properties 4 Prototypes, Engineering 4 Reinforced concrete construction 4 Structural engineering 4 Structural frames 4 Structural optimization 4 Vibration 4 Airplanes 3