For an electric vehicle OEM, VIBES analyzed the NVH performance of an e-compressor. A prototype e-compressor was available, a physical prototype of the full vehicle was not. To still obtain results, the structural contribution of an e-compressor to the interior noise was simulated using blocked forces. The OEM had to decide on the packaging of an electric compressor.
Traditionally, compressors are mounted to the internal combustion engine which helps to minimize the transmission of structural vibrations. With electric vehicles such mounting is not feasible and new isolation stages must be designed to meet the desired NVH performance in the vehicle.