Zeige Ergebnisse 181 - 210 von 350
2018
Hofmeister B, Gebhardt CG, Hente C, Rolfes R. Sparsity pattern extraction for assembly of KKT-like matrices in multibody dynamics. PAMM - Proceedings in Applied Mathematics and Mechanics. 2018. doi: 10.1002/pamm.201800105
Hübler C, Gebhardt CG, Rolfes R. Assessment of a standard ULS design procedure for offshore wind turbine sub-structures. Journal of Physics: Conference Series. 2018;1104:012013. Epub 2018 Nov 6. doi: 10.1088/1742-6596/1104/1/012013
Hübler C, Piel JH, Stetter C, Gebhardt CG, Breitner MH, Rolfes R. Effects of the Support Structure Design on the Economic Viability of Offshore Wind Projects: an Interdisciplinary Analysis: Topic: Foundations & support structures – cost reduction. 2018.
Hübler C, Gebhardt CG, Rolfes R. Methodologies for fatigue assessment of offshore wind turbines considering scattering environmental conditions and the uncertainty due to finite sampling. Wind Energy. 2018 Okt 12;21(11):1092-1105. Epub 2018 Jun 21. doi: 10.1002/we.2216
Hübler C, Weijtjens W, Rolfes R, Devriendt C. Reliability analysis of fatigue damage extrapolations of wind turbines using offshore strain measurements. Journal of Physics: Conference Series. 2018;1037(3):032035. Epub 2018 Jun 19. doi: 10.1088/1742-6596/1037/3/032035
Jansen E, Rahman T, Rolfes R. Finite element integrated fast buckling analysis tools using a perturbation approach. in Buckling and Postbuckling Structures II: Experimental, Analytical and Numerical Studies. World Scientific Publishing Co. Pte Ltd. 2018. S. 147-172 doi: 10.1142/9781786344335_0005
Jux M, Fankhänel J, Daum B, Mahrholz T, Sinapius M, Rolfes R. Mechanical properties of epoxy/boehmite nanocomposites in dependency of mass fraction and surface modification - An experimental and numerical approach. POLYMER. 2018 Apr 11;141:34-45. Epub 2018 Feb 27. doi: 10.1016/j.polymer.2018.02.059
Koerber H, Kuhn P, Ploeckl M, Otero F, Gerbaud PW, Rolfes R et al. Experimental characterization and constitutive modeling of the non-linear stress–strain behavior of unidirectional carbon–epoxy under high strain rate loading. Advanced Modeling and Simulation in Engineering Sciences. 2018 Jun 28;5:17. doi: 10.1186/s40323-018-0111-x
Riemenschneider J, Pohl M, Ungurán R, Petrović V, Kühn M, Haldar A et al. Smart trailing edges for wind turbines. in Development and Characterization of Multifunctional Materials; Modeling, Simulation, and Control of Adaptive Systems; Integrated System Design and Implementation. American Society of Mechanical Engineers(ASME). 2018. (ASME 2018 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2018). doi: 10.1115/smasis2018-7916
Rogge T, Berger R, Pohle L, Rolfes R, Wallaschek J. Efficient structural analysis of gas turbine blades. Aircraft Engineering and Aerospace Technology. 2018 Nov 22;90(9):1305-1316. Epub 2018 Okt 12. doi: 10.1108/AEAT-05-2016-0085
Rolfes R, Achmus M, Albiker J, Dubois J, Eichstädt R, Häfele J. Verbundvorhaben Lebensdauer-Forschung an den OWEA-Tragstrukturen im Offshore-Testfeld alpha ventus - GIGAWIND life: Teilvorhaben: Validierte Methoden und Strukturmodelle für ein integrales und wirtschaftliches Design von OWEA-Tragstrukturen : Schlussbericht. [Hannover]: Leibniz Universität Hannover, 2018. doi: 10.2314/GBV:1031763147
Schröder K, Grove S, Tsiapoki S, Gebhardt CG, Rolfes R. Structural Change Identification at a Wind Turbine Blade using Model Updating. Journal of Physics: Conference Series. 2018;1104:012030. Epub 2018 Nov 6. doi: 10.1088/1742-6596/1104/1/012030
Wernitz S, Pache D, Grießmann T, Rolfes R. Performance of an H∞ estimation based damage localization approach in the context of automated structural health monitoring. 2018. Beitrag in 9th European Workshop on Structural Health Monitoring, EWSHM 2018, Manchester, Großbritannien / Vereinigtes Königreich.
2017
Achmus M, Schröder C, Gerlach T, Thieken KG, Saathoff JE, Rolfes R. Verbundprojekt: Monitoring Suction Bucket Jacket - Monitoring SBJ: Schlussbericht zum Teilvorhaben der Gottfried Wilhelm Leibniz Universität Hannover. 2017. doi: 10.2314/GBV:1011240475
Akterskaia M, Jansen E, Hühne S, Rolfes R. Efficient progressive failure analysis of multi-stringer stiffened composite panels through a two-way loose coupling global-local approach. Composite structures. 2017 Feb 9;183(1):137-145. doi: 10.1016/j.compstruct.2017.02.011
Bahrami O, Tsiapoki S, Kane MB, Lynch JP, Rolfes R. Extraction of environmental and operational conditions of wind turbines using tower response data for structural health monitoring. in Chang FK, Kopsaftopoulos F, Hrsg., Structural Health Monitoring 2017: Real-Time Material State Awareness and Data-Driven Safety Assurance - Proceedings of the 11th International Workshop on Structural Health Monitoring, IWSHM 2017. DEStech Publications Inc. 2017. S. 2475-2482 doi: 10.12783/shm2017/14145
Barbarella E, Allix O, Daghia F, Jansen E, Rolfes R. Comparison of mechanical tests for the identification of composite defects using full-field measurements and the modified constitutive relation error. in Wriggers P, Allix O, Soric J, Hrsg., Multiscale Modeling of Heterogeneous Structures. Springer Verlag. 2017. S. 39-59. (Lecture Notes in Applied and Computational Mechanics). doi: 10.1007/978-3-319-65463-8_3
Berger R, Häfele J, Hofmeister B, Rolfes R. Blend Repair Shape Optimization for Damaged Compressor Blisks. 2017. doi: 10.1007/978-3-319-67988-4_122
Brandt S, Broggi M, Hafele J, Guillermo Gebhardt C, Rolfes R, Beer M. Meta-models for fatigue damage estimation of offshore wind turbines jacket substructures. Procedia Engineering. 2017 Sep 12;199:1158-1163. doi: 10.1016/j.proeng.2017.09.292
Daum B, Dean A, Rolfes R. A systematic approach to invariant-based anisotropic non-associative plasticity for fiber reinforced polymers. 2017. Beitrag in 21st International Conference on Composite Materials, ICCM 2017, Xi'an, China.
Dean A, Sahraee S, Reinoso J, Rolfes R. A new invariant-based thermo-plastic model for finite deformation analysis of short fibre reinforced composites: Development and numerical aspects. Composites Part B: Engineering. 2017 Sep 15;125:241-258. doi: 10.1016/j.compositesb.2017.05.043
Dean A, Rolfes R, Behrens A, Bouguecha A, Hübner S, Bonk C et al. Finite strain anisotropic elasto-plastic model for the simulation of the forming and testing of metal/short fiber reinforced polymer clinch joints at room temperature. in Brabazon D, Ul Ahad I, Naher S, Hrsg., Proceedings of the 20th International ESAFORM Conference on Material Forming, ESAFORM 2017. American Institute of Physics Inc. 2017. 030037. (AIP Conference Proceedings). doi: 10.1063/1.5008024
Dean A, Reinoso J, Sahraee S, Daum B, Rolfes R. Invariant-based finite strain anisotropic material model for fiber-reinforced composites. in Wriggers P, Allix O, Soric J, Hrsg., Multiscale Modeling of Heterogeneous Structures. Springer Verlag. 2017. S. 83-110. (Lecture Notes in Applied and Computational Mechanics). doi: 10.1007/978-3-319-65463-8_5
Gebhardt CG, Rolfes R. On the nonlinear dynamics of shell structures: Combining a mixed finite element formulation and a robust integration scheme. Thin-walled structures. 2017 Mai 10;118:56-72. doi: 10.1016/j.tws.2017.05.001
Häfele J, Hübler C, Gebhardt CG, Rolfes R. An effective soil-structure interaction consideration approach for time domain simulations of offshore wind turbines. 2017. Postersitzung präsentiert bei 7. GIGAWIND Symposium, Hannover, Niedersachsen, Deutschland.
Häfele J, Hübler C, Gebhardt CG, Rolfes R. Reconsidering fatigue limit state load sets for jacket substructures utilizing probability distributions of environmental states. in Proceedings of the 27th International Ocean and Polar Engineering Conference, ISOPE 2017. Society of Petroleum Engineers (SPE). 2017. S. 266-273. (Proceedings of the International Offshore and Polar Engineering Conference).
Haldar A, Reinoso J, Jansen E, Rolfes R. Snap-through of bistable configurations generated from variable stiffness composites. in Wriggers P, Allix O, Soric J, Hrsg., Multiscale Modeling of Heterogeneous Structures. Springer Verlag. 2017. S. 61-82. (Lecture Notes in Applied and Computational Mechanics). doi: 10.1007/978-3-319-65463-8_4
Haldar A, Reinoso J, Jansen E, Rolfes R. Thermally induced multistable configurations of variable stiffness composite plates: Semi-analytical and finite element investigation. Composite structures. 2017 Feb 10;183(1):161-175. doi: 10.1016/j.compstruct.2017.02.014
Hartmann H, Schaumann P, Rolfes R. Testzentrum Tragstrukturen - Prüfeinrichtungen: Abschlussbericht : Laufzeit des Vorhabens: 01.06.2011-30.11.2014 verlängert 31.05.2016, Berichtszeitraum: 01.06.2011-31.05.2016. 2017.
Hübler C, Guillermo Gebhardt C, Rolfes R. Development of a comprehensive database of scattering environmental conditions and simulation constraints for offshore wind turbines. Wind Energy Science. 2017 Okt 26;2(2):491-505. doi: 10.5194/wes-2-491-2017
