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ARTICLE
Model considering residual stiffness and stiffness discontinuity of bolted joints
1
College of Nuclear Science and Technology, Naval University of Engineering, Wuhan, China
Submission date: 2021-06-15
Final revision date: 2021-08-20
Acceptance date: 2021-10-04
Online publication date: 2021-12-12
Publication date: 2022-01-20
Corresponding author
Journal of Theoretical and Applied Mechanics 2022;60(1):63-75
KEYWORDS
TOPICS
ABSTRACT
The nonlinear dynamic behavior has an important impact on energy dissipation and vibra-
tion damping characteristics of bolted joints. Firstly, the development of tangential dynamic
models is summarized and analyzed. Secondly, a five-parameter Iwan model based on a trun-
cated power-law distribution is proposed. The backbone and hysteresis curves are obtained.
Thirdly, normalized and dimensionless analysis is performed. On the basis of the above,
a more concise four-parameter Iwan model with stiffness continuity is proposed. Finally,
the validity of the model is verified by comparing the energy dissipation vs excitation force
amplitude curve with the experimental data.
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| eISSN: | 2543-6309 |
| ISSN: | 1429-2955 |
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