University of Cambridge
The Department of Engineering at Cambridge (http://www.eng.cam.ac.uk) is one of the largest engineering departments in the UK. lt covers all branches of engineering, with particular interests in vehicle noise (aircraft and ground based) and has obtained the highest possible rating in all the UK research assessment exercises. The Department was the academic partner in the URGENT Project (Understanding Road Generated External Noise from Tyres) and recently ran the Silent Aircraft Initiative jointly with MIT. The Department has in-house codes for tyre vibration, which predict the dynamic response of a tyre with a general distribution of tread blocks moving over an arbitrary rough surface. The vibration models include a multi-layer tyre structure. The radiated sound is obtained by coupling our in-house description of the acoustic sources to a commercial boundary element code, which predicts the horn amplification, and shielding effects. Resonances of the tyre texture can be accounted for through in-house models.