Zeige Ergebnisse 241 - 270 von 350
2016
Rolfes R, Rustemeier J, Grießmann T. Viel "Bubbel" um Nichts? Erforschung der Schallminderungsmaßnahme "Gestufter Blasenschleier". in Meer – Wind – Strom : Forschung am ersten deutschen Offshore-Windpark alpha ventus. Wiesbaden: Springer Fachmedien Wiesbaden. 2016. S. 211-218 doi: 10.1007/978-3-658-09783-7_22
Rolfes R, Fricke MB, Grießmann T. Wenn U-995 auf Tauchfahrt taumelt: Entwicklung und Einsatz von Sonartranspondern in Offshore-Windparks. in Meer – Wind – Strom : Forschung am ersten deutschen Offshore-Windpark alpha ventus. Wiesbaden: Springer Fachmedien Wiesbaden. 2016. S. 237-243 doi: 10.1007/978-3-658-09783-7_25
Scheffler SS, Daum BA, Dean A, Rolfes R. "TransHybrid": Abschlussbericht zum Verbundprojekt: Anwendung eines virtuellen Versuchsstandes zur systematischen numerischen Untersuchung hybrider Fügetechnologien. 2016. (Leibniz University Hannover).
Schröder K, Gebhardt CG, Rolfes R. Damage localization at wind turbine support structures using sequential quadratic programming for model updating. in 8th European Workshop on Structural Health Monitoring, EWSHM 2016. NDT.net. 2016. S. 2321-2330. (8th European Workshop on Structural Health Monitoring, EWSHM 2016).
Tsiapoki S, Krause T, Häckell MW, Rolfes R, Ostermann J. Combining a vibration-based SHM-scheme and an airborne sound approach for damage detection on wind turbine rotor blades. in 8th European Workshop on Structural Health Monitoring, EWSHM 2016. NDT.net. 2016. S. 2351-2360. (8th European Workshop on Structural Health Monitoring, EWSHM 2016).
Tsiapoki S, Krause T, Rolfes R, Ostermann J. Verbundprojekt Erweiterung und Erprobung eines Schadensfrüherkennungs- und Eisdetektionssystems für Rotorblätter von Windenergieanlagen - SHM.Rotorblatt: Abschlussbericht zum Forschungsvorhaben der Gottfried Wilhelm Leibniz Universität Hannover. Hannover: Leibniz Universität Hannover, 2016.
2015
Dean A, Reinoso J, Sahraee S, Rolfes R. An invariant-based anisotropic thermo-plastic material model for short fiber reinforced thermoplastics. 2015. Beitrag in 20th International Conference on Composite Materials, ICCM 2015, Copenhagen, Dänemark.
Fricke MB, Rolfes R. Towards a complete physically based forecast model for underwater noise related to impact pile driving. Journal of the Acoustical Society of America. 2015 Mär 17;137(3):1564-1575. doi: 10.1121/1.4908241
Hühne S, Reinoso J, Jansen E, Rolfes R. A two-way loose coupling procedure for investigating the buckling and damage behaviour of stiffened composite panels. Composite structures. 2015 Okt 8;136:513-525. doi: 10.1016/j.compstruct.2015.09.056
Nasdala L, Kempe A, Rolfes R. An elastic molecular model for rubber inelasticity. Computational materials science. 2015 Mai 16;106:83-99. doi: 10.1016/j.commatsci.2015.04.036
Reinoso J, Paggi M, Rolfes R. A computational framework for the interplay between delamination and wrinkling in functionally graded thermal barrier coatings. Computational materials science. 2015 Okt 9;116:82-95. doi: 10.1016/j.commatsci.2015.08.031
Rolfes R. Windenergieforschung in Hannover im nationalen Forschungsverbund Windenergie. in Jahrbuch 2014 der Braunschweigischen Wissenschaftlichen Gesellschaft. Braunschweig: Cramer. 2015. S. 110-115
Schmidt B, Hansen M, Schaumann P, Rolfes R, Goretzka J. Foundation and Support Structure (WP 4): Final Report PSA-OWEA. in Probabilistic Safety Assessment of Offshore Wind Turbines. 2015. S. 56-84
Vogler M, Koerber H, Kuhn P, Rolfes R, Camanho P. Constitutive modeling and experimental characterization of the non-linear stress-strain behavior of unidirectional carbon-epoxy under high strain rates. 2015. Beitrag in 20th International Conference on Composite Materials, ICCM 2015, Copenhagen, Dänemark.
2014
Behrens BA, Rolfes R, Vucetic M, Peshekhodov I, Reinoso J, Vogler M et al. Material characterization for FEA of the clinching process of short fiber reinforced thermoplastics with an aluminum sheet. in Tribology in Manufacturing Processes and Joining by Plastic Deformation. Trans Tech Publications Ltd. 2014. S. 557-568. (Advanced Materials Research). doi: 10.4028/www.scientific.net/amr.966-967.557
Behrens BA, Rolfes R, Vucetic M, Reinoso J, Vogler M, Grbic N. Material modelling of short fiber reinforced thermoplastic for the FEA of a clinching test. Procedia CIRP. 2014 Aug 25;18:250-255. doi: 10.1016/j.procir.2014.06.140
Fricke M, Neddermann B, Lübben A, Gabriel J, Rolfes R. Realistische Hydroschallszenarien auf der Basis von Prognosemodellen und Monitoring für den Bau von Offshore-Windparks in der deutschen Nordsee ("HyproWind"): Abschlussbericht zum Forschungsvorhaben ; Berichtszeitraum: 01.09.2010 - 31.12.2013. Hannover [u.a.], 2014. (Mitteilungen des Instituts für Statik und Dynamik der Leibniz Universität Hannover). doi: 10.2314/GBV:809021846
Grießmann T, Penner N, Schmoch A, Rolfes R. Non-destructive determination of serviceability and load bearing capacity of floor slabs using dynamic methods. 2014. Beitrag in 7th European Workshop on Structural Health Monitoring, EWSHM 2014, Nantes, Frankreich.
Häckell MW, Rolfes R. A Modular SHM-Scheme for Engineering Structures under Changing Conditions: Application to an Offshore Wind Turbine. 2014. Beitrag in 7th European Workshop on Structural Health Monitoring, EWSHM 2014, Nantes, Frankreich.
Jansen EL, Rolfes R. Non-linear free vibration analysis of laminated cylindrical shells under static axial loading including accurate satisfaction of boundary conditions. International Journal of Non-Linear Mechanics. 2014 Mär 26;66:66-74. doi: 10.1016/j.ijnonlinmec.2014.03.004
Jansen EL, Abramovich H, Rolfes R. The direct prediction of buckling loads of shells under axial compression using VCT - Towards an upgraded approach. in 29th Congress of the International Council of the Aeronautical Sciences, ICAS 2014. International Council of the Aeronautical Sciences. 2014. (29th Congress of the International Council of the Aeronautical Sciences, ICAS 2014).
Krüger H, Rolfes R. A physically based fatigue damage model for fibre-reinforced plastics under plane loading. International journal of fatigue. 2014 Okt 7;70:241-251. doi: 10.1016/j.ijfatigue.2014.09.023
Rolfes R, Tsiapoki S, Häckell MW. Sensing solutions for assessing and monitoring wind turbines. in Applications in Structural Health Monitoring. Band 1. Elsevier Inc. 2014. S. 565-604 doi: 10.1533/9781782422433.2.565
Wieczorek N, Gerasch WJ, Rolfes R, Kammerer H. Semiactive Friction Damper for Lightweight Pedestrian Bridges. Journal of Structural Engineering (United States). 2014 Apr 1;140(4):4013102. doi: 10.1061/(asce)st.1943-541x.0000880
Zerbst S, Tsiapoki S, Rolfes R. Novel approach for early damage detection on rotor blades of wind energy converters. Smart structures and systems. 2014;14(3):419-444. doi: 10.12989/sss.2014.14.3.419
Zhang Y, Häckell M, Lynch JP, Rolfes R. Automated modal parameter extraction and statistical analysis of the new Carquinez bridge response to ambient excitations. in Model Validation and Uncertainty Quantification, Volume 3: Proceedings of the 32nd IMAC, A Conference and Exposition on Structural Dynamics, 2014. Springer New York LLC. 2014. S. 161-170. (Conference Proceedings of the Society for Experimental Mechanics Series). doi: 10.1007/978-3-319-04552-8_15
2013
Fricke MB, Rolfes R. Investigation of sonar transponders for offshore wind farms: Modeling approach, experimental setup, and results. Journal of the Acoustical Society of America. 2013 Dez 10;134(5):3536-3545. doi: 10.1121/1.4823841
Häckell MW, Rolfes R. Long-term monitoring of modal parameters for SHM at a 5 MW offshore wind turbine. in Chang FK, Hrsg., Structural Health Monitoring 2013: A Roadmap to Intelligent Structures - Proceedings of the 9th International Workshop on Structural Health Monitoring, IWSHM 2013. DEStech Publications Inc. 2013. S. 1310-1317. (Structural Health Monitoring 2013: A Roadmap to Intelligent Structures - Proceedings of the 9th International Workshop on Structural Health Monitoring, IWSHM 2013).
Häckell MW, Rolfes R. Monitoring a 5 MW offshore wind energy converter: Condition parameters and triangulation based extraction of modal parameters. Mechanical Systems and Signal Processing. 2013 Mai 28;40(1):322-343. doi: 10.1016/j.ymssp.2013.04.004
Holl M, Rogge T, Loehnert S, Wriggers P, Rolfes R. 3D multiscale crack propagation using the XFEM applied to a gas turbine blade. Computational mechanics. 2013 Jul 18;53(1):173-188. doi: 10.1007/s00466-013-0900-5
