Zeige Ergebnisse 301 - 322 von 322


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.


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


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


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


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.


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


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.


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


Block J, Frövel M, Klein H, Rolfes R, Schmidt K, Twardy H et al.. Investigations on thermally resistant structures for future aerospace vehicles. 1993. Beitrag in AIAA/DGLR 5th International Aerospace Planes and Hypersonics Technologies Conference, 1993, Munich, Deutschland. doi:


Rolfes R. Wärmeleitzahlen von UD-Laminaten aus CFK: Berechnung und Messung ; Ergebnis einer Zusammenarbeit zwischen der Deutschen Airbus und dem Institut für Strukturmechanik der DLR. Braunschweig: Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR) Standort Braunschweig, 1990. (Interner Bericht / Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt, Institut für Strukturmechanik, Braunschweig).
Stein E, Rolfes R. Mechanical conditions for stability and optimal convergence of mixed finite elements for linear plane elasticity. Computer Methods in Applied Mechanics and Engineering. 1990 Nov;84(1):77-95. doi: 10.1016/0045-7825(90)90090-9


Rolfes R. Zur Stabilität und Konvergenz gemischter finiter Elemente in der linearen Elastizitätstheorie. Hannover: Leibniz Universität Hannover, 1989. (Forschungs- und Seminarberichte aus dem Bereich der Mechanik der Universität Hannover).