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Impact hammer-based analysis of nonlinear effects in bolted lap joint

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Original languageEnglish
Title of host publicationProceedings of the ISMA 2016 International Conference on Noise and Vibration Engineering
Place of PublicationLeuven, Belgium
Publisher or commissioning bodyKU Leuven, Departement Werktuigkunde
Pages789-801
Number of pages13
ISBN (Electronic)9789073802940
DatePublished - 21 Sep 2016
Event27th International Conference on Noise and Vibration Engineering, ISMA 2016 and International Conference on Uncertainty in Structural Dynamics, USD2016 - Leuven, Belgium
Duration: 19 Sep 201621 Sep 2016

Conference

Conference27th International Conference on Noise and Vibration Engineering, ISMA 2016 and International Conference on Uncertainty in Structural Dynamics, USD2016
CountryBelgium
CityLeuven
Period19/09/1621/09/16

Abstract

This work presents an experimental investigation into the dynamic behavior of a bolted joint beam configuration. The impact hammer is chosen as an alternative to classical harmonic excitation methods. The structural responses are explored for a range of the joint tightening toques and various levels of impulse hammer excitations. A symmetric beam assembly made of two nominally identical steel beams is studied. Symmetric modes are found to be sensitive to the test parameters. For given torque, impact-based varying joint loading conditions are used to induce the nonlinear joint effects. A linear data processing strategy is used to observe the nonlinear behavior indirectly. The dynamic joint behavior is described in the form of the modal frequency-damping ratio performance maps represented by the two-parametric approximating quadratic response surface models. This model maps the joint conditions on the corresponding dynamic characteristics of interest and it will serve as a basis for the parametric linear joint model development.

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Event

27th International Conference on Noise and Vibration Engineering, ISMA 2016 and International Conference on Uncertainty in Structural Dynamics, USD2016

Duration19 Sep 201621 Sep 2016
CityLeuven
CountryBelgium

Event: Conference

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  • Full-text PDF (accepted author manuscript)

    Rights statement: This is the accepted author manuscript (AAM). The final published version (version of record) is available online via ISMA at https://www.isma-isaac.be/publications/proceedings.html. Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 756 KB, PDF document

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