Computational Technology Resources - CCC

H. Wimmer^1,2, Ch. Celigoj³ and R. Timmers⁴

¹Civil Engineering Department, University of Applied Sciences Upper Austria, Wels, Austria
²Civil Engineering Department, Carinthia University of Applied Sciences, Spittal/Drau, Austria
³Institute of Strength of Materials Graz University of Technology, Graz, Austria
⁴Unit of Steel Construction and Mixed Building Technology University of Innsbruck, Innsbruck, Austria

doi:10.4203/ccc.2.5.2

H. Wimmer, Ch. Celigoj, R. Timmers, "Bending and Buckling of Shear-elastic Angle-ply Laminated Plates using Enhanced Refined Zigzag Theory", in B.H.V. Topping, P. Iványi, (Editors), "Proceedings of the Eleventh International Conference on Engineering Computational Technology", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 2, Paper 5.2, 2022, doi:10.4203/ccc.2.5.2

Keywords: refined zigzag theory, angle-ply multi-layered plates, buckling.

Abstract

Multi-layered composite and sandwich plates are increasingly being used in structures of aerospace, marine, civil and automotive areas. Each can exhibit anisotropic behaviour and drastically varying transverse shear flexibility. Such highly heterogeneous cross-sections show a significant deviation from the kinematic hypothesis that is usually applied in classical plate theories. With the recently presented enhanced Refined Zigzag Theory (en-RZT) it is possible to model the specific warping effects that occur in shear-elastic cross-ply or angle-ply laminates. By expanding the kinematic equations with to so-called von Karman terms the geometric stiffness matrix is derived, and linear buckling applications are verified. The triangular, C0-continuous element, originally introduced by Tessler and extended by Versino, has seven degrees of freedom per node. It shows good convergence and accuracy in thick and thin configurations.

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Front Page Browse CCC CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Conferences ISSN 2753-3239 CCC: 2 PROCEEDINGS OF THE ELEVENTH INTERNATIONAL CONFERENCE ON ENGINEERING COMPUTATIONAL TECHNOLOGY Edited by: B.H.V. Topping and P. Iványi Paper 5.2 Bending and Buckling of Shear-elastic Angle-ply Laminated Plates using Enhanced Refined Zigzag Theory H. Wimmer^1,2, Ch. Celigoj³ and R. Timmers⁴ ¹Civil Engineering Department, University of Applied Sciences Upper Austria, Wels, Austria ²Civil Engineering Department, Carinthia University of Applied Sciences, Spittal/Drau, Austria ³Institute of Strength of Materials Graz University of Technology, Graz, Austria ⁴Unit of Steel Construction and Mixed Building Technology University of Innsbruck, Innsbruck, Austria doi:10.4203/ccc.2.5.2 Full Bibliographic Reference for this paper H. Wimmer, Ch. Celigoj, R. Timmers, "Bending and Buckling of Shear-elastic Angle-ply Laminated Plates using Enhanced Refined Zigzag Theory", in B.H.V. Topping, P. Iványi, (Editors), "Proceedings of the Eleventh International Conference on Engineering Computational Technology", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 2, Paper 5.2, 2022, doi:10.4203/ccc.2.5.2 Keywords: refined zigzag theory, angle-ply multi-layered plates, buckling. Abstract Multi-layered composite and sandwich plates are increasingly being used in structures of aerospace, marine, civil and automotive areas. Each can exhibit anisotropic behaviour and drastically varying transverse shear flexibility. Such highly heterogeneous cross-sections show a significant deviation from the kinematic hypothesis that is usually applied in classical plate theories. With the recently presented enhanced Refined Zigzag Theory (en-RZT) it is possible to model the specific warping effects that occur in shear-elastic cross-ply or angle-ply laminates. By expanding the kinematic equations with to so-called von Karman terms the geometric stiffness matrix is derived, and linear buckling applications are verified. The triangular, C0-continuous element, originally introduced by Tessler and extended by Versino, has seven degrees of freedom per node. It shows good convergence and accuracy in thick and thin configurations. download the full-text of this paper (PDF, 9 pages, 745 Kb) go to the previous paper go to the next paper return to the table of contents return to the volume description
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