Vibration Engineering 172 Machinery 164 Measurement 138 Noise 100 Damping (Mechanics) 95 Noise control 80 Mathematical models 79 Structural dynamics 74 Automobiles 69 Structural control (Engineering) 64 Testing 64 Mechanical engineering 56 Systems theory 53 Acoustical engineering 45 Rotors 41 Dynamics 40 Motor vehicles 40 Design and construction 39 Machine-tools 34 Mathematics 32 Physics 31 Sound 31 Engineering mathematics 29 Mechanics, Applied 28 Shock (Mechanics) 28 Materials 26 Sound-waves 25 Turbomachines 25 Plates (Engineering) 24