Zeige Ergebnisse 301 - 330 von 334
2007
Rolfes R. Klausuraufgabensammlung für die Kurse: Grundlagen statisch unbestimmter Tragwerke, Stabtragwerke, Flächentragwerke, Nichtlineare Statik der Stab- und Flächentragwerke. 2007.
Rolfes R, Gerasch W-J, 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.
Rolfes R, Teßmer J, Rohwer K. Models and Tools for Heat Transfer, Thermal Stresses and Stability of Composite Aerospace Structures. DLR-Mitteilung. 2004;(1):125-153.
2003
Noack J, Rolfes R, Tessmer J. New layerwise theories and finite elements for efficient thermal analysis of hybrid structures. Computers and Structures. 2003 Okt;81(26-27):2525-2538. doi: 10.1016/S0045-7949(03)00300-6
Rolfes R, Teßmer J, Rohwer K. Models and tools for heat transfer, thermal stresses, and stability of composite aerospace structures. Journal of thermal stresses. 2003 Jun;26(6):641-670. doi: 10.1080/713855951
2001
Gaedke M, Baaran J, Christian Goetting H, Rolfes R. Impact behavior and residual strength of sandwich structural elements under static and fatigue loading. 2001. Beitrag in 19th AIAA Applied Aerodynamics Conference 2001, Anaheim, CA, USA / Vereinigte Staaten. doi: 10.2514/6.2001-1222
Juhasz J, Rolfes R, Rohwer K. A new strength model for application of a physically based failure criterion to orthogonal 3D fiber reinforced plastics. Composites science and technology. 2001 Sep 30;61(13):1821-1832. doi: 10.1016/S0266-3538(01)00083-5
Petersen D, Rolfes R, Zimmermann R. Thermo-mechanical design aspects for primary composite structures of large transport aircraft. Aerospace science and technology. 2001 Feb;5(2):135-146. doi: 10.1016/S1270-9638(00)01089-0
Rohwer K, Rolfes R, Sparr H. High-order theories for thermal stresses in layered plates. International Journal of Solids and Structures. 2001 Apr 11;38(21):3673-3687. doi: 10.1016/S0020-7683(00)00249-3
2000
Rolfes R, Noack J, Taeschner M. High performance 3D-analysis of thermo-mechanically loaded composite structures. Composite structures. 2000 Jan 11;46(4):367-379. doi: 10.1016/S0263-8223(99)00101-4
Rolfes R, Rohwer K. Integrated thermal and mechanical analysis of composite plates and shells. Composites science and technology. 2000;60(11):2097-2106. doi: 10.1016/S0266-3538(00)00117-2
1999
Rolfes R, Rohwer K, Ballerstaedt M. Efficient linear transverse normal stress analysis of layered composite plates. Computers and Structures. 1999 Feb 23;68(6):643-652. doi: 10.1016/S0045-7949(98)00097-2
Rolfes R, Noor AK, Sparr H. Evaluation of transverse thermal stresses in composite plates based on first-order shear deformation theory. Computer Methods in Applied Mechanics and Engineering. 1999 Mär 3;167(3-4):355-368. doi: 10.1016/S0045-7825(98)00150-9
Rolfes R, Noack J, Ruiz-Valdepenas F, Zimmermann R, Taeschner M. Fast Analysis Tools for Concurrent/Integrated Engineering of Composite Airframe Structures. 1999. Beitrag in Optimization in Industry II Conference - 1999, Banff, Alb., Kanada.
1998
Rohwer K, Rolfes R. Calculating 3D stresses in layered composite plates and shells. Mechanics of composite materials. 1998 Jul;34(4):355-362. doi: 10.1007/BF02257903
Rolfes R, Rohwer K. Improved transverse shear stresses in composite finite elements based on first order shear deformation theory. International Journal for Numerical Methods in Engineering. 1998 Dez 4;40:51-60. doi: 10.1002/(SICI)1097-0207(19970115)40:1<51::AID-NME49>3.0.CO;2-3
1997
Rolfes R, Noor AK, Sparr H. Evaluation of transverse thermal stresses in composite plates based on first-order shear deformation theory. American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP. 1997;369:167-176.
1995
Rolfes R, Hammerschmidt U. Transverse thermal conductivity of CFRP laminates: A numerical and experimental validation of approximation formulae. Composites science and technology. 1995;54(1):45-54. doi: 10.1016/0266-3538(95)00036-4
