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Dynamic substructuring-based identification of the rivet-squeezing force
ID Vrtač, Tim (Author), ID Kodrič, Miha (Author), ID Pogačar, Miha (Author), ID Čepon, Gregor (Author)

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Abstract
Riveting, which involves the plastic deformation of a rivet to join components, is widely used in automotive, aerospace, and construction due to its simplicity, reliability, and ease of disassembly. Ensuring high-quality products requires End-of-Line testing of riveted joints, typically using non-destructive methods like ultrasonic testing. However, these methods do not enable the evaluation of the rivet-squeezing force, which significantly impacts the integrity and dynamic properties of the riveted joint. In this paper, an approach to indirectly evaluate the rivet-squeezing force through the identification of the joint’s dynamic properties is proposed. Using Frequency-Based Substructuring, the joint’s dynamics are decoupled from the structural assembly, isolating the influence of the squeezing force solely to the riveted joint and not the whole assembly. This method allows for the construction of a dataset of isolated joint impedances correlated with specific rivet-squeezing forces, serving as a reference dataset. The uniqueness of the proposed approach lies in its operation on joint impedances—the joint for which the squeezing force is to be determined does not need to originate from the same assembly as the dataset joints. For a structure of interest with an unknown squeezing force, the joint’s impedance is first obtained using the FBS decoupling approach. This impedance is then characterized by comparison with the reference dataset impedances to deduce the squeezing force based on a classification procedure. It is demonstrated that the proposed approach can be used to classify the rivet-squeezing force for the structure of interest and can thus be applied in the End-of-Line control of riveted joints. The proposed approach is limited only with requirement that the riveted joints share similarities in terms of material and geometry near the joints.

Language:English
Keywords:rivet, rivet-squeezing force, joint identification, dynamic substructuring, quality control
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Publication status:Published
Publication version:Version of Record
Year:2025
Number of pages:15 str.
Numbering:Vol. 229, art. 112487
PID:20.500.12556/RUL-167747 This link opens in a new window
UDC:621
ISSN on article:1096-1216
DOI:10.1016/j.ymssp.2025.112487 This link opens in a new window
COBISS.SI-ID:228437763 This link opens in a new window
Publication date in RUL:10.03.2025
Views:48
Downloads:40
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Record is a part of a journal

Title:Mechanical systems and signal processing
Shortened title:Mech. syst. signal process.
Publisher:Elsevier
ISSN:1096-1216
COBISS.SI-ID:15296283 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

Language:Slovenian
Keywords:kovica, sila stiskanja kovice, identifikacija spoja, dinamsko podstrukturiranje, nadzor kakovosti

Projects

Funder:EC - European Commission
Funding programme:HE
Project number:101091536
Name:Digitalised Value Management for Unlocking the potential of the Circular Manufacturing Systems with integrated digital solutions
Acronym:DiCiM

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