Estimating Linear Joint Stiffness and Damping Using a Frequency-Based Optimization Framework and the Emerging Concept of DyDis

Marie Brons, Francesco Trainotti, Daniel J. Rixen

Publikation: Beitrag in Buch/Bericht/KonferenzbandKonferenzbeitragBegutachtung

Abstract

Accurate estimation of stiffness and damping of linear bolted joints is a challenge. Commonly employed approaches using frequency-based substructuring techniques can fail if the measurement quality is not good enough. Even a minimal noise level can significantly impact the accuracy of estimations due to matrix inversions. This study proposes a novel approach that combines an optimization framework utilizing frequency-based substructuring with the emerging concept of Dynamic Disturbance (DyDis) to enhance the robustness of linear bolted joint parameter estimation.

OriginalspracheEnglisch
TitelDynamic Substructures - Proceedings of the 42nd IMAC, A Conference and Exposition on Structural Dynamics 2024
Redakteure/-innenWalter D’Ambrogio, Dan Roettgen, Maarten van der Seijs
Herausgeber (Verlag)Springer
Seiten37-42
Seitenumfang6
ISBN (Print)9783031688966
DOIs
PublikationsstatusVeröffentlicht - 2025
Veranstaltung42nd IMAC, A Conference and Exposition on Structural Dynamics, IMAC 2024 - Orlando, USA/Vereinigte Staaten
Dauer: 29 Jan. 20241 Feb. 2024

Publikationsreihe

NameConference Proceedings of the Society for Experimental Mechanics Series
ISSN (Print)2191-5644
ISSN (elektronisch)2191-5652

Konferenz

Konferenz42nd IMAC, A Conference and Exposition on Structural Dynamics, IMAC 2024
Land/GebietUSA/Vereinigte Staaten
OrtOrlando
Zeitraum29/01/241/02/24

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