Investigation of Buckling Behavior of Composite Shell Structures with Cutouts

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• 作者：Mariano A. Arbelo ; Annemarie Herrmann ; Saullo G. P. Castro…
• 关键词：Shell buckling ; Cylinder with openings ; Knock ; down factor ; Thin ; walled structures ; Composite materials ; Finite element model
• 刊名：Applied Composite Materials
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：22
• 期：6
• 页码：623-636
• 全文大小：1,226 KB
• 参考文献：1.Agency, E.S.: SA Studies future of Europe’s launch services. 25 July 2012. [Online]. Available: http://?www.?esa.?int/?Our_?Activities/?Launchers/?ESA_?studies_?future_?of_?Europe_?s_?launch_?services . [Accessed 12 March 2013]
  2.Koiter, W.T.: A translation of the stability of elastic equilibrium. Technische Hooge School at Delft, Department of Mechanics, Shipbuilding and Airplane Building. 14th November. (1945)
  3.Weingarten, V.I., Seide, P., and Peterson, J.P.: NASA SP-8007 - buckling of thin-walled circular cylinders. NASA Space Vehicle Design Criteria - Structures, 1965 (revised 1968)
  4.Nemeth, M.P., Starnes, J.A.J.: The NASA monographs on shell stability design recommendations, NASA/TP-1998-206290. National Aeronautics and Space Administration, Langley Research Center, p. 20 (1998)
  5.Tennyson, R.C.: The effect of unreinforced circular cutouts on the buckling of circular cylindrical shells under axial compression. J. Eng. Ind., 541-46 (1968)
  6.Toda, S.: Buckling of cylinders with cutouts under axial compression. Exp. Mech. 4(23), 414-17 (1983)CrossRef
  7.Hilburger, M.W., Britt, V.O. and Nemeth, M.P.: Buckling behavior of compression-loaded quasi-isotropic curved panels with a circular cutout. Int. J. Solids Struct. (38), 1495-522 (2001)
  8.Degenhardt, R., Kling, A., Bethge, A., Orf, J. K?rger, L., Zimmermann, R., Rohwer, K. and Calvi, A.: Investigations on imperfection sensitivity and deduction of improved knock-down factors for unstiffened CFRP cylindrical shells. Compos. Struct. (92), 1939-946 (2010)
  9.Degenhardt, R., Castro, S.G.P., Arbelo, M.A., Zimmermann, R., Khakimova, R. and Kling, A.: Future structural stability design for composite space and airframe structures. Coupled Instabilities Metal Struct. (81), 29-8 (2014)
  10.Castro, S. G. P., Arbelo, Z.R.M.A., Khakimova, R., Hilburger, M.W. and Degenhardt, R.: Geometric imperfections and lower-bound methods used to calculate knock-down factors for axially compressed composite cylindrical shells. Thin-Walled Struct. (74), 118-32 (2014)
  11.Arbelo, M.A., Degenhardt, R., Castro, S.G.P., and Zimmermann, R.: Numerical characterization of imperfection sensitive composite structures. Compos. Struct. (108), 295-03 (2014)
  12.Hühne, C., Rolfes, R., Breitbach, E., Te?mer, J.: Robust design of composite cylindrical shells under axial compression - simulation and validation. Thin-Walled Struct. 46, 947-62 (2008)CrossRef
  13.Castro, S.G.P., Zimmermann, R., Arbelo, M.A. and Degenhardt, R.: Exploring the constancy of the global buckling load after a critical geometric imperfection level in thin-walled cylindrical shells for less conservative knock-down factors. Thin-Walled Struct. (72), 76-7 (2013)
  14.Orifici, A.C., Bisagni, C.: Perturbation-based imperfection analysis for composite cylindrical shells buckling in compression. Compos. Struct. 106, 520-28 (2013)CrossRef
  15.Zimmermann, R.: Optimierung axial gedrückter CFK-Zylinderschalen. Fortschrittsberichte VDI. (207) ISBN 13: 9783181407011 (1992)
  16.Geier, B., Meyer-Piening, H., Zimmermann, R.: On the influence of laminate stacking on buckling of composite cylindrical shells subjected to axial compression. Compos. Struct. 55(4), 467-74 (2002)CrossRef
  17.Meyer-Piening, H.-R., Farshad, M., Geier, B., Zimmermann, R.: Buckling loads of CFRP composite cylinders under combined axial and torsion loading - experiment and computations. Compos. Struct. 53, 427-35 (2001)CrossRef
  18.Hühne, C., Zimmermann, R., Rolfes, R. and Geier B.: Sensitivities to geometrical and loading imperfections on buckling of composite cylindrical shells. In proceeding of: European Conference on Spacecraft. (2002)
  19.Wullschleger, L.: Numerical investigation of the buckling behaviour of axially compressed circular cylinders having parametric initial dimple imperfections. PhD dissertation submitted to the Swiss Federal Institute of Technology Zurich; http://?dx.?doi.?org/-span class="ExternalRef">10.-929/?ethz-a-005143406 (2006)
  20.Abaqus, D.S.: User’s manual, Abaqus analysis user’s manual. (2011)
  21.Featherston, C.A.: Imperfection sensitivity of curved panels under combined compression and shear. Int. J. Non-Linear Mech. (38), 225-38 (2003)
  
• 作者单位：Mariano A. Arbelo (1)
  Annemarie Herrmann (2)
  Saullo G. P. Castro (1)
  Regina Khakimova (3)
  Rolf Zimmermann (3)
  Richard Degenhardt (3)
  
  1. PFH, Private University of Applied Sciences, Airbus Str. 6, 21684, Stade, Germany
  2. Institute for Structural Mechanics, BUW, Bauhaus-University Weimar, Marienstra?e 15, 99423, Weimar, Germany
  3. DLR, Institute of Composite Structures and Adaptive Systems, Lilienthalplatz 7, 38108, Braunschweig, Germany
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Characterization and Evaluation Materials
  Mechanics
  Polymer Sciences
  Industrial Chemistry and Chemical Engineering
  
• 出版者：Springer Netherlands
• ISSN：1573-4897

文摘

Thin-walled cylindrical composite shell structures can be applied in space applications, looking for lighter and cheaper launcher transport system. These structures are prone to buckling under axial compression and may exhibit sensitivity to geometrical imperfections. Today the design of such structures is based on NASA guidelines from the 1960’s using a conservative lower bound curve generated from a database of experimental results. In this guideline the structural behavior of composite materials may not be appropriately considered since the imperfection sensitivity and the buckling load of shells made of such materials depend on the lay-up design. It is clear that with the evolution of the composite materials and fabrication processes this guideline must be updated and / or new design guidelines investigated. This need becomes even more relevant when cutouts are introduced to the structure, which are commonly necessary to account for access points and to provide clearance and attachment points for hydraulic and electric systems. Therefore, it is necessary to understand how a cutout with different dimensions affects the buckling load of a thin-walled cylindrical shell structure in combination with other initial geometric imperfections. In this context, this paper present some observations regarding the buckling load behavior vs. cutout size and radius over thickness ratio, of laminated composite curved panels and cylindrical shells, that could be applied in further recommendations, to allow identifying when the buckling of the structure is dominated by the presence of the cutout or by other initial imperfections. Keywords Shell buckling Cylinder with openings Knock-down factor Thin-walled structures Composite materials Finite element model