Showing results 31 - 60 out of 402
2024
Ragnitz J, Hofmeister B, Jonscher C, Hübler C, Rolfes R. Multi-Objective Model Updating of Tower Structures Featuring Closely Spaced Modes. e-Journal of Nondestructive Testing (eJNDT). 2024 Jul 1;29(7). doi: 10.58286/29663
Rolfes R, Römgens N, Grießmann T, Collmann M, Haist M, Lohaus L et al. Untersuchung des Tragverhaltens von Offshore-Grout-Verbindungen unter Wasser an Tragstrukturen mit dynamischen Wechselwirkungen - Grout-WATCH: Teilvorhaben: Degradationsverlauf mit integrierter FBG-Sensorik und Machine-Learning-Algorithmen - Schlussbericht. Hannover, 2024. 124 p. doi: 10.2314/KXP:1915941954
Römgens N, Abbassi A, Talahmeh M, Grießmann T, Rolfes R. Monitoring Fatigue of Grouted Connections Using Autoencoders and In-Situ Fiber Optical Sensors. In Proceedings of the 10th European Workshop on Structural Health Monitoring (EWSHM 2024). 2024 doi: 10.58286/29604
Römgens N, Abbassi A, Jonscher C, Grießmann T, Rolfes R. On using autoencoders with non-standardized time series data for damage localization. Engineering structures. 2024 Mar 15;303:117570. Epub 2024 Jan 28. doi: 10.1016/j.engstruct.2024.117570
Schubert J, Steinbach MC, Hente C, Märtins D, Schuster D. Accelerating aeroelastic UVLM simulations by inexact Newton algorithms. Computational mechanics. 2024 Dec;74(6):1409-1421. Epub 2024 May 25. doi: 10.48550/arXiv.2403.15286, 10.1007/s00466-024-02484-2
Wickramarachchi CT, Gardner P, Poole J, Hübler C, Jonscher C, Rolfes R. Damage localisation using disparate damage states via domain adaptation. Data-Centric Engineering (DCE). 2024 Feb 2;5(1):e3. doi: 10.1017/dce.2023.29
Wolniak MT, Hofmeister B, Dierksen NP, Ragnitz J, Jonscher C, Hübler C et al. Uncertainty Quantification for Damage Assessment Using Repeated Deterministic Model Updating. 2024 Oct 17. Epub 2024 Oct 17. doi: 10.2139/ssrn.4991201
Yagoub NFA, Wang X, Dean A, Moussa AMA, Mahdi E. A novel resilient system of self-centering precast reinforced concrete walls with external dampers. Journal of Building Engineering. 2024 Jun 15;87:109107. Epub 2024 Mar 21. doi: 10.1016/j.jobe.2024.109107
Yousif K, Dean A, Mahdi E. Crushing behavior of GFRP composite-reinforced PVC tubes: Experimental testing and numerical simulation. Composites Science and Technology. 2024 Nov 10;258:110903. Epub 2024 Oct 10. doi: 10.1016/j.compscitech.2024.110903
2023
Abbassi A, Römgens N, Grießmann T, Till J, Rolfes R. Enhancing the Reliability of Structural Health Monitoring for Bolted Joint Connections in Segmented Rotor Blades Using Data Fusion. In Farhangdoust S, Guemes A, Chang FK, editors, Structural health monitoring 2023: Designing SHM for Sustainability, Maintainability, and Reliability . DEStech Publications Inc. 2023. p. 1497-1504
Abbassi A, Römgens N, Tritschel FF, Penner N, Rolfes R. Evaluation of machine learning techniques for structural health monitoring using ultrasonic guided waves under varying temperature conditions. Structural health monitoring. 2023 Mar;22(2):1308-1325. Epub 2022 Jun 16. doi: 10.1177/14759217221107566
Anilkumar PM, Scheffler S, Haldar A, Brod M, Rao BN, Jansen EL et al. Nonlinear dynamic modeling of bistable variable stiffness composite laminates. Journal of sound and vibration. 2023 Feb 17;545:117417. Epub 2022 Nov 8. doi: 10.1016/j.jsv.2022.117417
Anilkumar PM, Rao BN, Scheffler S, Wolniak M, Rolfes R, Haldar A et al. Refined semi-analytical framework to predict the natural vibration characteristics of bistable laminates. AIAA journal. 2023 Jul;61(7):3158-3171. Epub 2023 May 17. doi: 10.2514/1.J062289
Arash B, Exner W, Rolfes R. Effect of moisture on the nonlinear viscoelastic fracture behavior of polymer nanocompsites: a finite deformation phase-field model. Engineering with computers. 2023 Feb;39(1):773-790. Epub 2022 May 23. doi: 10.1007/s00366-022-01670-1
Asur Vijaya Kumar PK, Dean A, Reinoso J, Pettermann HE, Paggi M. A phase-field fracture model for fatigue using locking-free solid shell finite elements: Analysis for homogeneous materials and layered composites. Theoretical and Applied Fracture Mechanics. 2023 Oct;127:104029. Epub 2023 Aug 3. doi: 10.1016/j.tafmec.2023.104029
Bahtiri B, Arash B, Scheffler SS, Jux M, Rolfes R. A machine learning-based viscoelastic–viscoplastic model for epoxy nanocomposites with moisture content. Computer Methods in Applied Mechanics and Engineering. 2023 Oct 1;415:116293. Epub 2023 Aug 7. doi: 10.48550/arXiv.2305.08102, 10.1016/j.cma.2023.116293
Bertrand F, Mang K. Recent Fails and Findings of Numerical Methods in Mechanics. Examples and Counterexamples. 2023 Nov;3:100098. Epub 2022 Dec 31. doi: 10.1016/j.exco.2022.100098
Bohne T, Grießmann T, Rolfes R. Characterization of Noise Abatement Systems for Protecting Aquatic Invertebrates and Fishes. In Popper AN, Sisneros J, Hawkins AD, Thomsen F, editors, The Effects of Noise on Aquatic Life: Principles and Practical Considerations. Cham: Springer International Publishing AG. 2023. p. 1-5 Epub 2023 Dec 28. doi: 10.1007/978-3-031-10417-6_17-1
Bonilla D, Grießmann T, Rolfes R. Investigation of Transmissibility-Based Operational Modal Analysis from Ground Excitation. In Limongelli MP, Giordano PF, Gentile C, Quqa S, Cigada A, editors, Experimental Vibration Analysis for Civil Engineering Structures : EVACES 2023 . Springer Science and Business Media Deutschland GmbH. 2023. p. 71-79. (Lecture Notes in Civil Engineering). Epub 2023 Aug 2. doi: 10.1007/978-3-031-39109-5_8
Gerendt C, Hematipour M, Englisch N, Scheffler S, Rolfes R. A finite element-based continuum damage model for mechanical joints in fiber metal laminates under static and fatigue loading. Composite Structures. 2023 May 15;312:116797. Epub 2023 Feb 20. doi: 10.1016/j.compstruct.2023.116797
Hofmeister B. Vibration-based damage localisation: Impulse response identification and model updating methods. Hannover: Leibniz Universität Hannover, 2023. 128 p. doi: 10.15488/13692
Hübler C, Gardner P, Wolniak M. Robust model updating in structural dynamics using a new non-implausibility-motivated optimisation approach. Mechanical Systems and Signal Processing. 2023 Sept 1;198:110401. Epub 2023 May 8. doi: 10.1016/j.ymssp.2023.110401
Jonscher C, Liesecke L, Penner N, Hofmeister B, Grießmann T, Rolfes R. Influence of system changes on closely spaced modes of a large-scale concrete tower for the application to structural health monitoring. Journal of Civil Structural Health Monitoring. 2023 Jun;13(4-5):1043-1060. Epub 2023 Apr 13. doi: 10.1007/s13349-023-00693-6
Kolditz L, Mang K, Wick T. A modified combined active-set Newton method for solving phase-field fracture into the monolithic limit. Computer Methods in Applied Mechanics and Engineering. 2023 Sept 1;414:116170. Epub 2023 Jun 23. doi: 10.48550/arXiv.2306.03501, 10.1016/j.cma.2023.116170
Könecke S, Hörmeyer J, Bohne T, Rolfes R. A new base of wind turbine noise measurement data and its application for a systematic validation of sound propagation models. Wind Energy Science. 2023 Apr 28;8(4):639–659. doi: 10.5194/wes-8-639-2023
Liesecke L, Jonscher C, Grießmann T, Rolfes R. Investigations of Mode Shapes of Closely Spaced Modes from a Lattice Tower Identified Using Stochastic Subspace Identification. In Limongelli MP, Giordano PF, Gentile C, Quqa S, Cigada A, editors, Experimental Vibration Analysis for Civil Engineering Structures. Springer, Cham. 2023. p. 529-538. (Lecture Notes in Civil Engineering). Epub 2023 Aug 2. doi: 10.1007/978-3-031-39109-5_54
Möller S, Jonscher C, Grießmann T, Rolfes R. Investigations Towards Physics-Informed Gaussian Process Regression for the Estimation of Modal Parameters of a Lattice Tower Under Environmental Conditions. In Limongelli MP, Giordano PF, Gentile C, Quqa S, Cigada A, editors, Experimental Vibration Analysis for Civil Engineering Structures: EVACES 2023 - Volume 2. 2023. p. 401–410. (Lecture Notes in Civil Engineering). Epub 2023 Aug 29. doi: 10.1007/978-3-031-39117-0_41
Nuber A, Borgelt JM, Dreger D, Collmann M, Friedmann H, Kohlmeier M et al. Grout-WATCH: Untersuchung des Tragverhaltens von Offshore-Grout-Verbindungen unter Wasser an Tragstrukturen mit dynamischen Wechselwirkungen. In Statustagung Maritime Technologien: Tagungsband der Statustagung 2023. Forschungszentrum Jülich GmbH. 2023. p. 151-168. (Schriftenreihe Projektträger Jülich).
Rolffs C, Scheffler SS, Rolfes R. Luftfahrtforschungsprogramm CraCpit: Konstruktion und Herstellung eines Sicherheitscockpits für bestehende Segelflugzeugmuster zum Nachrüsten - Strukturentwurf und Realisierung. Hannover: Institut für Statik und Dynamik, 2023. 60 p. doi: 10.2314/KXP:1876974044
Römgens N, Abbassi A, Jonscher C, Grießmann T, Rolfes R. Unsupervised Damage Localization Using Autoencoders with Time-Series Data. In Limongelli MP, Giordano PF, Gentile C, Quqa S, Cigada A, editors, Experimental Vibration Analysis for Civil Engineering Structures EVACES 2023 - Volume 2. Springer, Cham. 2023. p. 511-519. (Lecture Notes in Civil Engineering). Epub 2023 Aug 29. doi: 10.1007/978-3-031-39117-0_52