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J-H. Kweon, "Crippling Analysis of Composite Stringers based on Complete Unloading Method", in B.H.V. Topping, (Editor), "Computational Techniques for Materials, Composites and Composite Structures", Civil-Comp Press, Edinburgh, UK, pp 311-317, 2000. doi:10.4203/ccp.67.8.1

Abstract

This paper addresses a nonlinear finite element method for the crippling analysis of composite laminated stringers. Composite stringer is idealized by the nine-node laminated shell element based on the first order shear deformation theory. The stiffness degradation by the local failure is simulated by the complete unloading method. A modified arc-length algorithm is incorporated into the nonlinear finite element method to trace the post-failure equilibrium path after local buckling. Finite element results are compared with those by experiments and show the excellent agreement. A parametric study is performed to assess the effect of the flange-width, web-height, and stacking sequence on the buckling, local buckling, and crippling stresses of stringers.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 67 COMPUTATIONAL TECHNIQUES FOR MATERIALS, COMPOSITES AND COMPOSITE STRUCTURES Edited by: B.H.V. Topping Paper VIII.1 Crippling Analysis of Composite Stringers based on Complete Unloading Method J-H. Kweon School of Transport Vehicle Engineering, Gyeongsang National University, Kyongnam, Korea doi:10.4203/ccp.67.8.1 purchase the full-text of this paper Full Bibliographic Reference for this paper J-H. Kweon, "Crippling Analysis of Composite Stringers based on Complete Unloading Method", in B.H.V. Topping, (Editor), "Computational Techniques for Materials, Composites and Composite Structures", Civil-Comp Press, Edinburgh, UK, pp 311-317, 2000. doi:10.4203/ccp.67.8.1 Abstract This paper addresses a nonlinear finite element method for the crippling analysis of composite laminated stringers. Composite stringer is idealized by the nine-node laminated shell element based on the first order shear deformation theory. The stiffness degradation by the local failure is simulated by the complete unloading method. A modified arc-length algorithm is incorporated into the nonlinear finite element method to trace the post-failure equilibrium path after local buckling. Finite element results are compared with those by experiments and show the excellent agreement. A parametric study is performed to assess the effect of the flange-width, web-height, and stacking sequence on the buckling, local buckling, and crippling stresses of stringers. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £92 +P&P)
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