Applied numerical modelling of gear impacts in powertrains - Driveline shuffle and clunk

Publication Type:
Conference Proceeding
Citation:
4th Australasian Congress on Applied Mechanics, ACAM 2005, 2005, pp. 619 - 624
Issue Date:
2005-12-01
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This paper presents a study on the transient response of powertrain systems at the lowest mode of torsional vibration (driveline shuffle). The response can result in gear impacts in the transmission and driveline (driveline clunk). A powertrain system dynamic model is developed for an automatic transmission fitted passenger vehicle. The model used in numerical simulations is a stiff system with strong non-linear elements. In these simulations; damping of the lowest mode was found to reduce multiple impacts of driveline clunk, reducing the transmitted engine harmonics such as is the effect of a torque converter had little impact on clunk, increasing the lash was found to reduce the occurrence of multiple clunks. © Institute of Materials Engineering Australasia Ltd 2005.
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