Building on Dynamics 1, this module introduces the students to matrix analysis in discrete mass-spring damper systems, natural frequencies and mode shapes, principle of orthogonality, normal coordinates, detailed study of 2 degree of freedom systems, higher order systems, forced response, viscous damping, harmonic response, response to general forces, continuous structures, energy methods, displacement models, Rayleigh and Rayleigh-Ritz methods, methods of excitation, transducers, mounting structures, Fourier transforms in forced vibration, aliasing, leakage, FRF estimation, coherence, peak picking, circle fitting, rotordynamics, co-ordinate systems, unbalance and gyroscopic moments, the Jeffcott rotor, whirl, critical speeds, Campbell diagram.