| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Filippatos, Angelos
University of Patras
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (36/36 displayed)
- 2024Structural integrity of aging steel bridges by 3D laser scanning and convolutional neural networkscitations
- 2024Vibration-based ice monitoring of composite blades using artificial neural networks under different icing conditions
- 2024Failure mode and load prediction of steel bridge girders through 3D laser scanning and machine learning methodscitations
- 2022Vorrichtung und Verfahren zur Durchführung von Messungen an rotierenden Objekten
- 2022Numerical investigation of the springback behaviour and residual stresses of a hybrid profile produced by the roll forming process
- 2021Design approach for the development of a digital twin of a generic hybrid lightweight structurecitations
- 2021Experimentelle und numerische Untersuchung der Aufschlusszerkleinerung von Multi-Material-Strukturen zur Abschätzung der Recyclingfähigkeit
- 2021Spatially Resolved Experimental Modal Analysis on High-Speed Composite Rotors Using a Non-Contact, Non-Rotating Sensor.
- 2021Design and testing of polar-orthotropic multi-layered composites under rotational loadcitations
- 2021Diffraction grating sensor for damage and modal analysis of fast rotating composite structures
- 2021Window-opener as an example for environment measurement and combined actuation of smart hydrogelscitations
- 2021Spatially Resolved Experimental Modal Analysis on High-Speed Composite Rotors Using a Non-Contact, Non-Rotating Sensorcitations
- 2020Beugungsgitterbasierte Schädigungs-, Eigenfrequenz- und Eigenformmessung an schnelldrehenden Faserverbundrotoren
- 2020Non-destructive testing of a rotating glass-fibre-reinforced polymer disc by swept source optical coherence tomographycitations
- 2020Diffraction grating based measurement of the modal behavior of fast rotating composite discs (Conference Presentation)
- 2019Optical strain measurements on fast moving fiber reinforced polymer rotors using diffraction gratingscitations
- 2019On the development of a function-integrative sleeve for medical applications
- 2018Influence of gradual damage on the structural dynamic behaviour of composite rotors: Experimental investigationscitations
- 20183D-DynRoCo - Excitation and vibration analysis of rotating structures
- 2018Elementary specific modelling of composite rotors with consideration of sequential damage processes
- 2018Entwicklung eines kombinierten numerisch-experimentellen Ansatzes zur 3D Erfassung des Schwingungsverhaltens von rotierenden Komponenten
- 2017Autonome Überwachung und Adaptierung eines funktionsintegrativen Faserverbundwerkstoff-Blattfedersystems / Autonomous monitoring and adaptation of a function-integrated composite leaf-spring system
- 2017Monitoringsystem zur Kraftmessung am Sportgerät Skistock mittels applizierter Dehnmessstreifen
- 2017Hohe Dämpfung auch in großer Höhe – Einsatz von Faserverbundwerkstoffen für RBG-Hubmasten
- 2017Leichtbaumethoden für die Medizintechnik
- 2017Hilfe im Spitzensport - Monitoringsystem zur uniaxialen Kraftmessung am Skistock mit Dehnmessstreifen
- 2017Faserverbundwerkstoffe zur Schwingungsdämpfung bei Hubmasten von Regalbediengeräten
- 2017Evaluation eines innovativen Monitoringsystems zur uniaxialen Stockkraftmessung mittels applizierter Dehnmessstreifen
- 2016Einsatz faser- bzw. textilverstärkter Funktionswerkstoffe zur Schwingungsdämpfung bei Hubmasten von Regalbediengeräten
- 2016Leichtbauer und Mediziner entwickeln Versuchsgerät für verbesserte Tumordiagnose
- 2016The networked car body – Function-integrated lightweight construction with hybrid yarn textile thermoplastic composites
- 2016Die vernetzte Karosserie – Funktionsintegrativer Leichtbau mit Hybridgarn-Textil-Thermoplast-Verbunden
- 2015D1.3 - Multi-sensor system for dynamic deformation and vibration measurements at high-speed rotors
- 2015Development of a composite, load-adaptive leaf spring: A multi-domain approach
- 2015Design of composite compressor blades with focus on the vibration behaviour
- 2014Experimentelle Untersuchungen des dynamischen Verhaltens von rotierenden Faserverbundstrukturen
Places of action
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document
Influence of gradual damage on the structural dynamic behaviour of composite rotors: Experimental investigations
Abstract
Fibre-reinforced composite structures under complex loads exhibit gradual damage behaviour with a degradation of effective mechanical properties and change of their structural dynamic behaviour. Damage manifests itself as spatial increase of inter-fibre failure and delamination-growth, resulting in local changes of stiffness. These changes affect not only the residual strengths but more importantly the structural dynamic behaviour. In case of composite rotors, this can lead to catastrophic failure if an eigenfrequency coincides with the rotational speed. The description and analysis of the gradual damage behaviour of composite rotors therefore provides the fundamentals for a better understanding of unpredicted structural phenomena. The gradual damage behaviour on the example of composite rotors and the resulting damage-dependent dynamic behaviour is experimentally investigated under propagating damage for combined out-of-plane and in-plane loads. A novel observation is reported, where monotonic increase of damage results in non-monotonic frequency shift of significant amount of eigenfrequencies.