Hjem

1.Single degree of freedom system (SDOF) Undamped SDOF Damped SDOF Logarithmic decrement Impulse response function Force excitation Electro-mechanical analogy Power input Frequency regions Phase relations Frequency response Admittance Vibration transducers
2. MDOF & Longitudinal vibration in bars MDOF discrete system Longitudinal waves in bars Fixed-fixed bars Free-free bar Orthogonality condition Force excitation
3. Airborne sound Piston propagated disturbance Pulsating piston Pressure density relationships due to acoustic disturbance One-dimensional wave equation Wave equation solution for plane waves Sound pressure level Sound power level Sound intensity level Spherical waves Frequency analysis of sound signals Transducers for sound measurement
4. Random vibration Time averages of a function Fourier analysis Statistics, probability and probability density function Expected values, moments and characteristic functions Theory of random processes Response due to an arbitrary excitation Equivalent bandwidth of a SDOF subjected to white noise excitation
5. Flexural vibration of beams General equation Free vibrations Orthogonality condition for beam vibration Wave approach to flexural vibration Phase velocity and group velocity Modal density
6. Flexural vibration of plates and shells Plate flexural vibration using modal approach Plate flexural wave number Plate group velocity Plate modal density Vibration of shells Transmission loss
7. Sound sources Velocity potential Monopoles Dipoles Monopoles near a rigid, reflecting, ground plane Sound radiated from a vibrating piston in a rigid baffle Quadrupoles
8. Room acoustics Sound absorption using acoustic materials Acoustic absorption coefficient (tube method) Room method of measuring absorption coefficient Room constant Energy density Directivity index Sound power measurement in anechoic rooms Sound power relations in free-field Reverberant rooms Sound power measurement in reverberant rooms Sound power measurement in semi-reverberant rooms Modal density of an enclosed volume
9. Sound-structure interaction Sound radiated by a rigid piston Geometric radiation of a pulsating sphere Radiation efficiency of an infinite plate Sound-structure interaction of vibrating structures Bending wave sound radiation from finite plates
10. Statistical Energy Analysis (SEA) History SEA evolution Basis for SEA Brief literature survey Thermal analogy of SEA System modeling Power flow equations Matrix approach to SEA modeling SEA equations from continuous systems Coupling loss factors Applications Transient SEA