Imperial College London
Alternate

DrChristophSchwingshackl

Faculty of Engineering, Department of Mechanical Engineering

Reader in Mechanical Engineering
 
 
 
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Contact

 

+44 (0)20 7594 1920c.schwingshackl Website

 
 
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Location

 

559City and Guilds BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Armand:2018:10.1016/j.euromechsol.2018.01.005,
author = {Armand, J and Salles, L and Schwingshackl, CW and Süß, D and Willner, K},
doi = {10.1016/j.euromechsol.2018.01.005},
journal = {European Journal of Mechanics - A/Solids},
pages = {44--57},
title = {On the effects of roughness on the nonlinear dynamics of a bolted joint: a multiscale analysis},
url = {http://dx.doi.org/10.1016/j.euromechsol.2018.01.005},
volume = {70},
year = {2018}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Accurate prediction of the vibration response of friction joints is of great importance when estimating both the performance and the life of build-up structures. The contact conditions at the joint interface, including local normal load distribution and contact stiffness, play a critical role in the nonlinear dynamic response. These parameters strongly depend on the mating surfaces, where the surface roughness is well known to have a significant impact on the contact conditions in the static case. In contrast, its effects on the global and local nonlinear dynamic response of a build-up structure is not as well understood due to the complexity of the involved mechanisms. To obtain a better understanding of the dependence of the nonlinear dynamic response on surface roughness, a newly proposed multiscale approach has been developed. It links the surface roughness to the contact pressure and contact stiffness, and in combination with a multiharmonic balance solver, allows to compute the nonlinear dynamic response for different interface roughness. An application of the technique to a single bolted lap joint highlighted a strong impact of larger roughness values on the pressure distribution and local contact stiffness and in turn on the nonlinear dynamic response.
AU  - Armand,J
AU  - Salles,L
AU  - Schwingshackl,CW
AU  - Süß,D
AU  - Willner,K
DO  - 10.1016/j.euromechsol.2018.01.005
EP  - 57
PY  - 2018///
SN  - 0997-7538
SP  - 44
TI  - On the effects of roughness on the nonlinear dynamics of a bolted joint: a multiscale analysis
T2  - European Journal of Mechanics - A/Solids
UR  - http://dx.doi.org/10.1016/j.euromechsol.2018.01.005
UR  - http://hdl.handle.net/10044/1/57638
VL  - 70
ER  -
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