Zeige Ergebnisse 301 - 330 von 350
2010
Czichon S, Zimmermann K, Middendorf P, Vogler M, Rolfes R. Three-dimensional stress and progressive failure analysis of ultra thick laminates and experimental validation. Composite structures. 2010 Nov 24;93(5):1394-1403. doi: 10.1016/j.compstruct.2010.11.009
Hansen M, Rolfes R, Schaumann P, Schmidt B. Energiegewinnung auf hoher See: Sicherheit und Zuverlässigkeit von Offshore-Windenergieanlagen. AlumniCampus. 2010;2010(5).
Kriegesmann B, Rolfes R, HÜhne C, Teßmer J, Arbocz J. Probabilistic design of axially compressed composite cylinders with geometric and loading imperfections. International Journal of Structural Stability and Dynamics. 2010 Okt;10(4):623-644. doi: 10.1142/S0219455410003658
Kriegesmann B, Rolfes R, Hühne C, Kling A. Probabilistic Second-Order Third-Moment Approach for Design of Axially Compressed Composite Shells. in 51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. 2010. 2010-2534. (Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference). doi: 10.2514/6.2010-2534
Krüger H, Rolfes R. A Physically Motivated and Layer-based Fatigue Concept for Fiber-Reinforced Plastics. in Proceedings of the 10th International Conference on Computational Structures Technology, CST 2010. Band 93. Civil-Comp Press. 2010 doi: doi:10.4203/ccp.93.79
Nasdala L, Kempe A, Rolfes R. The Molecular Dynamic Finite Element Method (MDFEM). Computers, Materials and Continua. 2010;19(1):57-104. doi: doi:10.3970/cmc.2010.019.057
Rolfes R, Czichon S, Vogler M, Jansen E. Simulating the effect of porosities on stiffness and strength of composite materials. in Proceedings of the 10th International Conference on Computational Structures Technology, CST 2010. Band 93. Civil-Comp Press. 2010 doi: doi:10.4203/ccp.93.272
Schmidt B, Hansen M, Schaumann P, Rolfes R. Energiegewinnung auf hoher See: Sicherheit und Zuverlässigkeit von Offshore-Windenergieanlagen. Unimagazin - Forschungsmagazin der Universität Hannover. 2010;2010(03/04).
Vogler M, Ernst G, Rolfes R. Invariant Based Transversely-Isotropic Material and Failure Model for Fiber-Reinforced Polymers. Computers, Materials and Continua. 2010;16(1):25-50. doi: doi:10.3970/cmc.2010.016.025
2009
Ernst G, Vogler M, Hühne C, Rolfes R. Multiscale progressive failure analysis of textile composites. Composites science and technology. 2009 Sep 17;70(1):61-72. doi: 10.1016/j.compscitech.2009.09.006
Haake G, Rolfes R, Schaumann P, Huhn H, Schlurmann T, Lohaus L et al. Research on support structures in the german offshore wind farm alpha ventus. in European Wind Energy Conference and Exhibition 2009, EWEC 2009. 2009. S. 4148-4154. (European Wind Energy Conference and Exhibition 2009, EWEC 2009).
Hühne C, Zerbst AK, Kuhlmann G, Steenbock C, Rolfes R. Progressive damage analysis of composite bolted joints with liquid shim layers using constant and continuous degradation models. Composite structures. 2009 Jun 9;92(2):189-200. doi: 10.1016/j.compstruct.2009.05.011
2008
Hühne C, Rolfes R, Breitbach E, Teßmer J. Robust design of composite cylindrical shells under axial compression: Simulation and validation. Thin-walled structures. 2008 Jun 2;46(7-9):947-962. doi: 10.1016/j.tws.2008.01.043
Rolfes R, Ernst G, Vogler M, Hühne C. Material and Failure Models for Textile Composites. in Camanho PP, Davila CG, Pinho ST, Remmers JJC, Hrsg., Mechanical Response of Composites. Springer Netherlands. 2008. S. 27-56. (Computational Methods in Applied Sciences). doi: 10.1007/978-1-4020-8584-0_2
2007
Reetz J, Gerasch WJ, Rolfes R. A method for structural health monitoring of offshore wind turbines. in Proceedings of the 2nd International Operational Modal Analysis Conference, IOMAC 2007. Center for Industrial Production, Aalborg University and Design Society, University of Strathclyde. 2007. (Proceedings of the 2nd International Operational Modal Analysis Conference, IOMAC 2007).
Rolfes R, Zerbst S, Haake G, Reetz J, Lynch JR. Integral SHM-System for Offshore Wind Turbines Using Smart Wireless Sensors. in Chang FK, Hrsg., Structural Health Monitoring 2007: Quantification, Validation, and Implementation - Proceedings of the 6th International Workshop on Structural Health Monitoring, IWSHM 2007. DEStech Publications Inc. 2007. S. 1889-1896. (Structural Health Monitoring 2007: Quantification, Validation, and Implementation - Proceedings of the 6th International Workshop on Structural Health Monitoring, IWSHM 2007).
Rolfes R. Klausuraufgabensammlung für die Kurse: Grundlagen statisch unbestimmter Tragwerke, Stabtragwerke, Flächentragwerke, Nichtlineare Statik der Stab- und Flächentragwerke. 2007.
Rolfes R, Gerasch WJ, Rotert D. Vorlesung Tragwerksdynamik. 2007.
2006
Buermann P, Rolfes R, Tessmer J, Schagerl M. A semi-analytical model for local post-buckling analysis of stringer- and frame-stiffened cylindrical panels. Thin-walled structures. 2006 Nov 14;44(1):102-114. doi: 10.1016/j.tws.2005.08.010
Degenhardt R, Rolfes R, Zimmermann R, Rohwer K. COCOMAT - Improved material exploitation of composite airframe structures by accurate simulation of postbuckling and collapse. Composite structures. 2006 Jan 10;73(2):175-178. doi: 10.1016/j.compstruct.2005.11.042
Kärger L, Wetzel A, Rolfes R, Rohwer K. A three-layered sandwich element with improved transverse shear stiffness and stresses based on FSDT. Computers and Structures. 2006 Mär 20;84(13-14):843-854. doi: 10.1016/j.compstruc.2006.02.007
Rolfes R, Gerasch WJ, Haake G, Reetz J, Zerbst S. Early damage detection system for tower and rotor blades of offshore wind turbines. in Proceedings of the 3rd European Workshop - Structural Health Monitoring 2006. 2006. S. 455-462. (Proceedings of the 3rd European Workshop - Structural Health Monitoring 2006).
Zemčík R, Rolfes R, Rose M, Tessmer J. High-Performance 4-Node Shell Element with Piezoelectric Coupling. Mechanics of Advanced Materials and Structures. 2006 Sep 22;13(5):393-401. doi: 10.1080/15376490600777657
Zemčík R, Rolfes R, Rose M, Teßmer J. High-performance four-node shell element with piezoelectric coupling for the analysis of smart laminated structures. International Journal for Numerical Methods in Engineering. 2006 Okt 27;70(8):934-961. doi: 10.1002/nme.1909
Zimmermann R, Rolfes R. POSICOSS - Improved postbuckling simulation for design of fibre composite stiffened fuselage structures. Composite structures. 2006 Jan 10;73(2):171-174. doi: 10.1016/j.compstruct.2005.11.041
2005
Hühne C, Rolfes R, Tessmer J. A new approach for robust design of composite cylindrical shells under axial compression. European Space Agency, (Special Publication) ESA SP. 2005;(581):725-732.
Rolfes R. Multifunktionale, leichte und langlebige Tragstrukturen der Zukunft: Beiträge aus dem Institut für Statik und Dynamik sowie der Industrie ; Eröffnungskolloquium, 19. Mai 2005. Leibniz Universität Hannover, 2005.
Wetzel A, Kärger L, Rolfes R, Rohwer K. Evaluation of two finite element formulations for a rapid 3D stress analysis of sandwich structures. Computers and Structures. 2005 Apr 12;83(19-20):1537-1545. doi: 10.1016/j.compstruc.2005.02.005
2004
Kuhlmann G, Rolfes R. A hierarchic 3D finite element for laminated composites. International Journal for Numerical Methods in Engineering. 2004 Sep 7;61(1):96-116. doi: 10.1002/nme.1060
Rolfes R, Baaran J, Juhasz J, Kling A, Kuhlmann G, Nolden P. High Performance Tools for Failure, Damage Tolerance and Stability Analysis of Composite Structures. DLR-Mitteilung. 2004;(1):103-123.
