Modal analysis in the design of an automotive exhaust pipe
by G. Belingardi, S. Leonti
International Journal of Vehicle Design (IJVD), Vol. 8, No. 4/5/6, 1987

Abstract: The problem of mechanical vibration for an automotive exhaust system is investigated using the modal analysis method. Using a finite-element mathematical model it is possible to calculate the vibration eigenfrequencies and the medal shape. In assembling the mathematical model the major points are the correct evaluation of the excitation sources of the actual temperature and of the effects of the pipe bends. Moreover, through dynamical analysis the real displacement and the related stresses can be determined. Some calculated results are reported in order to illustrate the most specific aspects of the proposed method.

Online publication date: Sun, 25-May-2014

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