Browse Publications Technical Papers 2003-01-1725
2003-05-05

Local-Global Finite-Element Analysis for Cam Cover Noise Reduction 2003-01-1725

Valve covers are a primary source of radiated engine noise. In this paper, we discuss an analytical approach that captures the complicated nonlinear response of the cam cover gaskets and grommets without the need for a prohibitively large finite-element model of the cam cover system. We utilize a detailed local analysis of the gasket and grommet components and abstract their isolation characteristics for later use in a global NVH (Noise-Vibration-Harshness) system analysis.

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