Experimental Vibration Analysis of Exhaust System

The book delves into the intricacies of automobile exhaust systems, emphasizing their dual role in noise reduction and safe gas expulsion. It highlights the importance of muffler durability, focusing on resonance and mode shapes as critical factors. The design process utilizes CATIA for modeling, HyperMesh for meshing, and Msc Nastran for modal analysis, with results analyzed in HyperView. Additionally, it covers experimental methods, including impact testing with a hammer and accelerometer, employing FFT analysis to refine signal data for resonance frequency determination.