e-NVH digest

Magnetic noise and vibration process involves several equations involving electromagnetics, structural mechanics, and acoustics.Here is a summary of the main formulas useful for engineers involved

Manatee e-NVH software offers unique post-processing to understand why an electrical machine is noisy. Discover 13 visualization tools including, among others, the Quick Campbell, the

The Jaguar i-Pace example is provided with Manatee free trial license. It illustrates a trend often observed nowadays in automotive electric powertrains: higher contribution of circumferential, pulsating

Electromagnetic force wavenumber and mechanical structure mode order are sometimes confused when applying eNVH theory to predict noise and vibration due to magnetic forces in

Simulation of magnetic noise and vibrations introduces several numerical challenges that are difficult to answer using general-purpose FEA software. Multiphysic coupling, speed and time discretization

Manatee software is the only solution to assess e-NVH metrics all along the development lifecycle of electrical systems. It helps to avoid common misconceptions met when

Explore the differences between Induction machines and Permanent Magnet synchronous machines in terms of electromagnetic noise & vibrations. From the difference of frequency signature to

Discover the 4 noise reduction techniques most used by our control engineers (current angle modification, switching frequency shift, change of switching strategy and harmonic current

Discover the 6 electric motor noise reduction techniques most used by our electrical engineers (change of magnet layout, coil pitching, modification of the rotor slot

Discover the 4 electric motor noise reduction techniques most used by our mechanical engineers (Mechanical structure natural frequency shift, change of boundary conditions, damping increase,