subsystems of a transmission or engine by leveraging the best capability of a specific tool (May it be 1D or 3D).
Generally different models are built for studying the noise issues for low, mid and high frequency using different software.
Though studying the high frequency noise need a totally different approach.
Still very few works have been reported on building a complete dynamic model, applicable for noise prediction from low to mid frequency, for a complex system like power-train.
This paper aims at showing the evolution of power-train NVH analysis, present practice and proposed novel ways to deal with prediction, process of characterization and reduction of low and mid frequency noise in the automotive industry.