This work presents an assessment of classical and state of the art reduced order modeling (ROM) techniques to enhance the computational efficiency for dynamic analysis of jointed structures with local contact nonlinearities. These ROM methods include classical free interface method (Rubin method, MacNeal method), fixed interface method Craig-Bampton (CB), Dual Craig-Bampton (DCB) method and also recently developed joint interface mode (JIM) and trial vector derivative (TVD) approaches. A finite element (FE) jointed beam model is considered as the test case taking into account two different setups: one with a linearized spring joint and the other with a nonlinear macroslip contact friction joint. Using these ROM techniques, the accuracy of dynamic behaviors and their computational expense are compared separately. We also studied the effect of excitation levels, joint region size, and number of modes on the performance of these ROM methods.
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March 2019
Research-Article
Numerical Assessment of Reduced Order Modeling Techniques for Dynamic Analysis of Jointed Structures With Contact Nonlinearities
Jie Yuan,
Jie Yuan
Department of Mechanical Engineering,
Imperial College London,
London SW7 2AZ, UK
e-mail: jie.yuan@Imperial.ac.uk
Imperial College London,
London SW7 2AZ, UK
e-mail: jie.yuan@Imperial.ac.uk
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Fadi El-Haddad,
Fadi El-Haddad
Department of Mechanical Engineering,
Imperial College London,
London SW7 2AZ, UK
e-mail: f.el-haddad@imperial.ac.uk
Imperial College London,
London SW7 2AZ, UK
e-mail: f.el-haddad@imperial.ac.uk
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Loic Salles,
Loic Salles
Department of Mechanical Engineering,
Imperial College London,
London SW7 2AZ, UK
e-mail: l.salles@imperial.ac.uk
Imperial College London,
London SW7 2AZ, UK
e-mail: l.salles@imperial.ac.uk
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Chian Wong
Chian Wong
Search for other works by this author on:
Jie Yuan
Department of Mechanical Engineering,
Imperial College London,
London SW7 2AZ, UK
e-mail: jie.yuan@Imperial.ac.uk
Imperial College London,
London SW7 2AZ, UK
e-mail: jie.yuan@Imperial.ac.uk
Fadi El-Haddad
Department of Mechanical Engineering,
Imperial College London,
London SW7 2AZ, UK
e-mail: f.el-haddad@imperial.ac.uk
Imperial College London,
London SW7 2AZ, UK
e-mail: f.el-haddad@imperial.ac.uk
Loic Salles
Department of Mechanical Engineering,
Imperial College London,
London SW7 2AZ, UK
e-mail: l.salles@imperial.ac.uk
Imperial College London,
London SW7 2AZ, UK
e-mail: l.salles@imperial.ac.uk
Chian Wong
1Corresponding author.
Manuscript received June 28, 2018; final manuscript received July 20, 2018; published online November 1, 2018. Editor: Jerzy T. Sawicki.
J. Eng. Gas Turbines Power. Mar 2019, 141(3): 031027 (12 pages)
Published Online: November 1, 2018
Article history
Received:
June 28, 2018
Revised:
July 20, 2018
Citation
Yuan, J., El-Haddad, F., Salles, L., and Wong, C. (November 1, 2018). "Numerical Assessment of Reduced Order Modeling Techniques for Dynamic Analysis of Jointed Structures With Contact Nonlinearities." ASME. J. Eng. Gas Turbines Power. March 2019; 141(3): 031027. https://doi.org/10.1115/1.4041147
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