Strains and stresses Strength of materials 75 Testing 46 Structural analysis (Engineering) 34 Materials 31 Composite materials 30 Fatigue 27 Analysis 26 Measurement 23 Steel 22 Plant fibers 20 Design and construction 16 Statics 14 Vibration 14 Structural design 13 Buckling (Mechanics) 12 Steel, Structural 12 Finite element method 10 Mathematical models 10 Elasticity 9 Girders 9 Shells (Engineering) 9 Structural dynamics 9 Fracture mechanics 8 Structural stability 8 Plates (Engineering) 7 Standards 7 Strain gages 7 Aluminum alloys 6 Corrosion and anti-corrosives 6