NVH measurements at vehicle-level during lab, dynos and road testing to identify: Driver critical NVH issues; Propagation paths (structural/airborne) from source to receiver ISO and Customized Metrics correlated to subjective evaluations Powertrain dynamics filtering Suspension dynamics filtering Vehicle dynamic responses (VTF, NTF, Dynamic Stiffnesses) ...
NVH measurements at powertrain-level during bench or vehicle application: engine distribution torsional vibration driveline torsional vibration driveline complete NVH characterization (idle and gear rattle, whine, etc) durability testing engine components vibration qualification failure analysis by identifying root cause and structural propagation paths ...
Modeling and optimization of engine mount systems: modes decoupling, torque roll axis decoupling calculation of forces transmitted through mounts in time and frequency domains numerical models of frequency and amplitude dependent bushings (rubber or hydraulic) multi-objectives optimization by definition of proper cost functions ...