Investigations on imperfection sensitivity and deduction of improved knock-down factors for unstiffened CFRP cylindrical shells

Composite Structures

Volumn 92, Issue 8, 2010, Pages 1939-1946

  Degenhardt, Richard ^a,c   Kling, Alexander ^a   Bethge, Arne ^a   Orf, Jana ^a   Kärger, Luise ^a   Zimmermann, Rolf ^a   Rohwer, Klaus ^a   Calvi, Adriano ^b  

^a GERMAN AEROSPACE CENTER DLR   (Germany)

^b EUROPEAN SPACE AGENCY   (Netherlands)

^c Private Fachhochschule Gottingen   (Germany)

Author keywords

Buckling; CFRP; Composites; Cylinder; Imperfections; Knock down factor

Indexed keywords

BUCKLING LOADS; BUCKLING TESTS; CFRP; CFRP COMPOSITES; CYLINDRICAL SHELL; EUROPEAN SPACE AGENCY; IMPERFECTION SENSITIVITY; PROBABILISTIC ASPECTS; REDUCED COST; SAFE DESIGNS; SIMULATION METHODOLOGY; SIMULATION RESULT; STRUCTURAL WEIGHT; TEST RESULTS;

AEROSPACE ENGINEERING; COST REDUCTION; CYLINDERS (SHAPES); SHELLS (STRUCTURES); THIN WALLED STRUCTURES;

BUCKLING;

BUCKLING; CARBON FIBER; COMPOSITE PROPERTY; COMPRESSION; FIBER REINFORCED COMPOSITE; SHEAR PROPERTY; STIFFNESS; STRUCTURAL ANALYSIS;

EID: 77950369370     PISSN: 02638223     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.compstruct.2009.12.014     Document Type: Article

References (30)

1. Koiter WT. On the stability of elastic equilibrium, NASA-TT-F-10833; 1967.
2. Winterstetter T., Schmidt H. Stability of circular cylindrical steel shells under combined loading. Thin Wall Struct 2002, 40:893-909.
3. Deml M., Wunderlich W. Direct evaluation of the 'worst' imperfection shape in shell buckling. Comput Method Appl Mech Eng 1997, 149(1-4):201-222.
4. Pircher M., Bridge R. The influence of circumferential weld-induced imperfections on the buckling of silos and tanks. J Constr Steel Res 2001, 57(5):569-580.
5. Arbocz J., Starnes J.H. Future directions and challenges in shell stability analysis. Thin Wall Struct 2002, 40:729-754.
6. Hühne C, Rolfes R, Tessmer J. A new approach for robust design of composite cylindrical shells under axial compression. In: Proceedings of the international ESA conference, Nordwijk; May 12, 2005.
7. Hühne C., Rolfes R., Breitbach E., Teßmer J. Robust design of composite cylindrical shells under axial compression-simulation and validation. Thin Wall Struct 2008, 46:947-962.
8. Zimmermann R. Buckling research for imperfection tolerant fibre composite structures. In: Proceedings of conference on spacecraft structures, material and mechanical testing, Noordwijk, The Netherlands: ESA SP-386; 27-9 March 1996.
9. R. Zimmermann, Optimierung axial gedrückter CFK-zylinderschalen, fortschrittsberichte VDI, Nr. 207; 1992.
10. Seide P, Weingarten VI, Petersen JP. NASA/SP-8007, Buckling of thin-walled circular cylinders. Nasa space vehicle design criteria (structures), NASA, Washington, DC, United States; September 1965.
11. Weingarten V.I., Morgan E.J., Seide P. Elastic stability of thin-walled cylindrical and conical shells under axial compression. AIAA J 1965, 3(3):500-505.
12. Reuter R, Gärtner T. Stochastische Crashsimulation mit LS-DYNA am Beispiel des Kopfaufpralls nach FMVSS 201, 17 CAD-FEM Users meeting, Sonhofen; 1999.
13. Reuter R, Hülsmann J. Achieving design targets through stochastic simulation. In: 8th international MADYMO users conference, Paris; 2000.
14. Klein M, Schuëller GI, Deymarie P, Macke M, Courrian P, Capitanio RS. Probabilistic approach to structural factors of safety in aerospace. In: Proceedings of the international conference on spacecraft structures and mechanical testing, Cépadués-Editions, **2-210, Paris, France; 1994. p. 679-93.
15. Sickinger C, Herbeck L, Breitbach E. Structural engineering on deployable CFRP booms for a solar propelled sailcraft. In: 54th international astronautical congress, Bremen, Germany; 28 September, 3 October 2003.
16. Velds E. TUD/LR/ASCM graduation thesis, a deterministic and probabilistic approach to finite element buckling analysis of imperfect cylindrical shells; May 2002.
17. Arbocz J., Hilburger M.W. Toward a probabilistic preliminary design criterion for buckling critical composite shells. AIAA J 2005, 43(8):1823-1827.
18. Degenhardt R., Rolfes R., Zimmermann R., Rohwer K. COCOMAT - improved material exploitation at safe design of composite airframe structures by accurate simulation of collapse. Compos Struct 2006, 73:175-178.
19. http://www.cocomat.de.
20. Zimmermann R., Rolfes R. POSICOSS - improved postbuckling simulation for design of fibre composite stiffened fuselage structures. Compos Struct 2006, 73:171-174.
21. http://www.posicoss.de.
22. Degenhardt R., Kling A., Klein H., Hillger W., Goetting Ch., Zimmermann R., Rohwer K., Gleiter A. Experiments on buckling and postbuckling of thin-walled CFRP Structures using advanced measurement systems. Int J Struct Stabil Dyn 2007, 7(2):337-358.
23. Geier B., Singh G. Some simple solution for buckling loads of thin and moderately thick cylindrical shells and panels made of laminated composite material. Aerosp Sci Technol 1997, (1):47-63.
24. Chakravarti I.M., Laha R.G., Roy J. Handbook of methods of applied statistics 1967, vol. 1. John Wiley and Sons, (p. 392-4).
25. Snedecor G.W., Cochran W.G. Statistical methods 1989, Iowa State University Press. 8th ed.
26. Geier B., Klein H., Zimmermann R. Buckling tests with axially compressed unstiffened cylindrical shells made from CFRP. Proceedings, international colloquium on buckling of shell structures, on land, in the sea and in the air 1991, 498-507. Elsevier Applied Sciences, London and New York. J.F. Julien (Ed.).
27. Geier B, Klein H, Zimmermann R. Experiments on buckling of CFRP cylindrical shells under non-uniform axial load. In: Proceedings, int. conference on composite engineering, ICCE/1; 28-31 August 1994.
28. Hühne C, Zimmermann R, Rolfes R, Geier B. Loading imperfections - experiments and computations. Euromech colloquium 424, Kerkrade, The Netherlands; 2-5 September 2001.
29. Albus J, Gomez-Garcia J, Oery H. Control of assembly induced stresses and deformations due to waviness of the interface flanges of the ESC-A upper stage. In: 52nd international astronautical congress, Toulouse, France; 1-5 October 2001.
30. Franke W.D. FMEA Fehlermöglichkeits- und -einflußanalyse in der industriellen Praxis 1987, Moderne Industrie, Landsberg.