Obtaining Structure-borne Input for Hybrid FEA/SEA Engine Enclosure Models through a Simplified Transfer Path Analysis

Paper #:
  • 2015-01-2349

Published:
  • 2015-06-15
DOI:
  • 10.4271/2015-01-2349
Citation:
Zhen, J., Copley, D., Londhe, N., and Fredrickson, S., "Obtaining Structure-borne Input for Hybrid FEA/SEA Engine Enclosure Models through a Simplified Transfer Path Analysis," SAE Int. J. Commer. Veh. 8(2):253-257, 2015, doi:10.4271/2015-01-2349.
Pages:
5
Abstract:
Structure-borne inputs to hybrid FEA/SEA models could have significant effects on the model prediction accuracy. The purpose of this work was to obtain the structure-borne noise (SBN) inputs using a simplified transfer path analysis (TPA) and identify the significance of the structure-borne and airborne contributions to the spectator sound power of an engine with enclosure for future modeling references. Force inputs to the enclosure from the engine were obtained and used as inputs to a hybrid engine enclosure model for sound prediction.
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