Joint interface characterization method using frequency response measurements on assembled structures only: theoretical development and experimental validation on a workholding fixture for machining
2015 (English)In: The International Journal of Advanced Manufacturing Technology, ISSN 0268-3768, E-ISSN 1433-3015, Vol. 77, no 5-8, 1213-1228 p.Article in journal (Refereed) Published
A computation model based on inverse receptance coupling method is presented in this paper aiming for obtaining the joint interface's stiffness and damping properties using frequency response functions measured on assembled structures only. In the model, it is emphasized that the joint stiffness and damping should be modeled with frequency dependency. The model's validity is checked both through finite element (FE) simulation and experimental analyses. In the FE simulation example, the computation model gives more accurate results with noise-free data. In the experimental example, where noise in the data is unavoidable, the computation model is explored further for its applicability in the real industrial environment. Results from applications of the computational model show that it is even capable of obtaining the joint interface stiffness and damping values over the structure's resonance frequency. A viable process of predicting behaviors of workpiece with receptance coupling method through identifying the joint interface properties is presented in the end of the paper. The applicability of this computation model and the factors that influence the accuracy of the model are discussed in the end of the paper.
Place, publisher, year, edition, pages
2015. Vol. 77, no 5-8, 1213-1228 p.
Joint interface, Joint stiffness, Joint damping, Frequency response functions, Receptance coupling method, Inverse receptance coupling method, Finite element method
Production Engineering, Human Work Science and Ergonomics
Research subject Production Engineering; Machine Design
IdentifiersURN: urn:nbn:se:kth:diva-163992DOI: 10.1007/s00170-014-6539-3ISI: 000350120000036ScopusID: 2-s2.0-84925467019OAI: oai:DiVA.org:kth-163992DiVA: diva2:808010
FunderEU, FP7, Seventh Framework Programme, 260048
QC 201504272015-04-272015-04-132015-11-11Bibliographically approved