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    Rights statement: This is the author’s version of a work that was accepted for publication in International Journal of Mechanical Sciences. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in International Journal of Mechanical Sciences, 173, 2020 DOI: 10.1016/j.ijmecsci.2020.105476

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Non-linear finite element model for dynamic analysis of high-speed valve train and coil collisions

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Non-linear finite element model for dynamic analysis of high-speed valve train and coil collisions. / Gu, Zewen; Hou, Xiaonan; Keating, Elspeth; Ye, Jianqiao.

In: International Journal of Mechanical Sciences, Vol. 173, 105476, 01.05.2020.

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@article{1c72d7a26fc44051b8a782bc9ebf813f,
title = "Non-linear finite element model for dynamic analysis of high-speed valve train and coil collisions",
abstract = "A transient non-linear finite element (FE) model is developed in this paper to calculate the natural frequencies of a high-speed beehive spring and simulate its dynamic responses at different engine speeds, with consideration of material damping, internal vibration and coil collision. A 3D scanning technique is used to obtain an accurate geometry of the spring model for the simulation. To validate the FE model, a conventional analytical model with varying stiffness is also developed for the same spring. By comparing the results of both models with the experimental results of engine head tests, it is shown that the FE model can successfully simulate the dynamic responses of the spring under different speeds. Especially, the FE model can predict the erratic force spikes of the spring at high testing speeds, which cannot be predicted by the conventional analytical model. Based on the analysis, the dynamic deformation mechanisms of the high-speed beehive spring are summarised and discussed.",
author = "Zewen Gu and Xiaonan Hou and Elspeth Keating and Jianqiao Ye",
note = "This is the author{\textquoteright}s version of a work that was accepted for publication in International Journal of Mechanical Sciences. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in International Journal of Mechanical Sciences, 173, 2020 DOI: 10.1016/j.ijmecsci.2020.105476",
year = "2020",
month = may,
day = "1",
doi = "10.1016/j.ijmecsci.2020.105476",
language = "English",
volume = "173",
journal = "International Journal of Mechanical Sciences",
issn = "0020-7403",
publisher = "Elsevier Limited",

}

RIS

TY - JOUR

T1 - Non-linear finite element model for dynamic analysis of high-speed valve train and coil collisions

AU - Gu, Zewen

AU - Hou, Xiaonan

AU - Keating, Elspeth

AU - Ye, Jianqiao

N1 - This is the author’s version of a work that was accepted for publication in International Journal of Mechanical Sciences. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in International Journal of Mechanical Sciences, 173, 2020 DOI: 10.1016/j.ijmecsci.2020.105476

PY - 2020/5/1

Y1 - 2020/5/1

N2 - A transient non-linear finite element (FE) model is developed in this paper to calculate the natural frequencies of a high-speed beehive spring and simulate its dynamic responses at different engine speeds, with consideration of material damping, internal vibration and coil collision. A 3D scanning technique is used to obtain an accurate geometry of the spring model for the simulation. To validate the FE model, a conventional analytical model with varying stiffness is also developed for the same spring. By comparing the results of both models with the experimental results of engine head tests, it is shown that the FE model can successfully simulate the dynamic responses of the spring under different speeds. Especially, the FE model can predict the erratic force spikes of the spring at high testing speeds, which cannot be predicted by the conventional analytical model. Based on the analysis, the dynamic deformation mechanisms of the high-speed beehive spring are summarised and discussed.

AB - A transient non-linear finite element (FE) model is developed in this paper to calculate the natural frequencies of a high-speed beehive spring and simulate its dynamic responses at different engine speeds, with consideration of material damping, internal vibration and coil collision. A 3D scanning technique is used to obtain an accurate geometry of the spring model for the simulation. To validate the FE model, a conventional analytical model with varying stiffness is also developed for the same spring. By comparing the results of both models with the experimental results of engine head tests, it is shown that the FE model can successfully simulate the dynamic responses of the spring under different speeds. Especially, the FE model can predict the erratic force spikes of the spring at high testing speeds, which cannot be predicted by the conventional analytical model. Based on the analysis, the dynamic deformation mechanisms of the high-speed beehive spring are summarised and discussed.

U2 - 10.1016/j.ijmecsci.2020.105476

DO - 10.1016/j.ijmecsci.2020.105476

M3 - Journal article

VL - 173

JO - International Journal of Mechanical Sciences

JF - International Journal of Mechanical Sciences

SN - 0020-7403

M1 - 105476

ER -