Combined experimental and flexible multibody dynamic investigation of high energy impact-induced driveline vibration

Lightly damped non-linear dynamic driveline components are subjected to excitation with rapid application of clutch and/or throttle. Modern thin-walled driveshaft tubes respond with a plethora of structural-acoustic modes under such impulsive conditions, which are onomatopoeically referred to as clo...

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Main Authors:	Rob Turnbull, Ole R. Miknas, Mahdi Mohammadpour, Homer Rahnejat
Format:	Default Article
Published:	2016
Subjects:	Mechanical engineering not elsewhere classified Clonk phenomenon High-frequency metallic noise Impact Flexible multi-body dynamics Driveline vibration Mechanical Engineering not elsewhere classified Mechanical Engineering
Online Access:	https://hdl.handle.net/2134/21807
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id	rr-article-9569726
record_format	Figshare
spelling	rr-article-95697262016-01-01T00:00:00Z Combined experimental and flexible multibody dynamic investigation of high energy impact-induced driveline vibration Rob Turnbull (1260075) Ole R. Miknas (7214696) Mahdi Mohammadpour (7204604) Homer Rahnejat (1247550) Mechanical engineering not elsewhere classified Clonk phenomenon High-frequency metallic noise Impact Flexible multi-body dynamics Driveline vibration Mechanical Engineering not elsewhere classified Mechanical Engineering Lightly damped non-linear dynamic driveline components are subjected to excitation with rapid application of clutch and/or throttle. Modern thin-walled driveshaft tubes respond with a plethora of structural-acoustic modes under such impulsive conditions, which are onomatopoeically referred to as clonk in the vehicle industry. The underlying mechanisms for the occurrence of this phenomenon are investigated, using combined experimentation and flexible multibody dynamics under impulsive impact conditions. The coincidence of high frequency structural modes, coupled with acoustic response is highlighted for the broad-band spectral response of the hollow driveshaft tubes. The cyclic relationship of clonk with the shuffle response of the driveline system is also established for transient decay of the clonk phenomenon. In particular, the multibody model is used to ascertain the effect of vehicle laden state on the propensity of driveline clonk, an approach no hitherto reported in literature. 2016-01-01T00:00:00Z Text Journal contribution 2134/21807 https://figshare.com/articles/journal_contribution/Combined_experimental_and_flexible_multibody_dynamic_investigation_of_high_energy_impact-induced_driveline_vibration/9569726 CC BY-NC-ND 4.0
institution	Loughborough University
collection	Figshare
topic	Mechanical engineering not elsewhere classified Clonk phenomenon High-frequency metallic noise Impact Flexible multi-body dynamics Driveline vibration Mechanical Engineering not elsewhere classified Mechanical Engineering
spellingShingle	Mechanical engineering not elsewhere classified Clonk phenomenon High-frequency metallic noise Impact Flexible multi-body dynamics Driveline vibration Mechanical Engineering not elsewhere classified Mechanical Engineering Rob Turnbull Ole R. Miknas Mahdi Mohammadpour Homer Rahnejat Combined experimental and flexible multibody dynamic investigation of high energy impact-induced driveline vibration
description	Lightly damped non-linear dynamic driveline components are subjected to excitation with rapid application of clutch and/or throttle. Modern thin-walled driveshaft tubes respond with a plethora of structural-acoustic modes under such impulsive conditions, which are onomatopoeically referred to as clonk in the vehicle industry. The underlying mechanisms for the occurrence of this phenomenon are investigated, using combined experimentation and flexible multibody dynamics under impulsive impact conditions. The coincidence of high frequency structural modes, coupled with acoustic response is highlighted for the broad-band spectral response of the hollow driveshaft tubes. The cyclic relationship of clonk with the shuffle response of the driveline system is also established for transient decay of the clonk phenomenon. In particular, the multibody model is used to ascertain the effect of vehicle laden state on the propensity of driveline clonk, an approach no hitherto reported in literature.
format	Default Article
author	Rob Turnbull Ole R. Miknas Mahdi Mohammadpour Homer Rahnejat
author_facet	Rob Turnbull Ole R. Miknas Mahdi Mohammadpour Homer Rahnejat
author_sort	Rob Turnbull (1260075)
title	Combined experimental and flexible multibody dynamic investigation of high energy impact-induced driveline vibration
title_short	Combined experimental and flexible multibody dynamic investigation of high energy impact-induced driveline vibration
title_full	Combined experimental and flexible multibody dynamic investigation of high energy impact-induced driveline vibration
title_fullStr	Combined experimental and flexible multibody dynamic investigation of high energy impact-induced driveline vibration
title_full_unstemmed	Combined experimental and flexible multibody dynamic investigation of high energy impact-induced driveline vibration
title_sort	combined experimental and flexible multibody dynamic investigation of high energy impact-induced driveline vibration
publishDate	2016
url	https://hdl.handle.net/2134/21807
_version_	1796739538589057024

Combined experimental and flexible multibody dynamic investigation of high energy impact-induced driveline vibration

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