An Assessment of Hybrid-Mixed Four-Node Shell Elements
The most popular shell finite elements are shear flexible C0-continuous displacement models. These elements which are easy to formulate usually give displacements that are too small and in the extreme case (for instance thin plate or thin shell) exhibit s
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NONLINEAR ANALYSIS OF SHELLS BY FINITE ELEMENTS
EDITED BY F.G. RAMMERSTORFER VIENNA UNIVERSITY OF TECHNOLOGY
SPRINGER-VERLAG WIEN GMBH
Le spese di stampa di questo volume sono in pane coperte da contributi del Consiglio Nazionale delle Ricerche.
This volume contains 157 illustrations.
This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned specifically those of translation, reprinting, re-use of illustrations, broadcasting, reproduction by photocopying machine or
simil~r
means, and storage in data banks. © 1992 by Springer-Verlag Wien
Originally published by Springer Verlag Wien-New York in 1992
Portions of the paper on page 131 has been reprinted by permission of If> John Wiley & Sons, Ltd. from" A Layered Composite Shell Element for Elastic and Thermoelastic Stress & Stability Analysis at Large Deformations" by F.G. Rammerstorfer, /nJernational Journal for Numerical Methods in Engineering, 30 (1990), pp. 833-858, and by permission of © Pergamon Press from "Nonlinear Layered Shell Finite Element with Improved Transverse Shear Behavior" by F.G. Rammersdorfer, Composites Engineering, 1 (1991), pp. 211-224. and by permission of© Engineering Materials Advisory Services Ltd. from " A Finite Element Formulation for Sandwich Shells Accounting for Local Failure Phenomena", by F.G. Rarnmerstorfer, Proceedings of the 2nd /nJernational Conference on Sandwich Construction, University of Florida, March 9-12, 1992.
In order to make this volume available as economically and as rapidly as possible the authors' typescripts have been reproduced in their original forms. This method unfortunately has its typographical limitations but it is hoped that they in no way distract the reader.
ISBN 978-3-211-82416-0 DOI 10.1007/978-3-7091-2604-2
ISBN 978-3-7091-2604-2 (eBook)
PREFACE
This monograph is based on the lecture notes of the course "Nonlinear Analysis of Shells by Finite Elements" given at the International Centre for Mechanical Sciences (CISM) in Udine, Italy, from June 24 to 28, I991 by Professors EN. Dvorkin, Siderca, Buenos Aires, Argentina, 0. Onate, Universidad Politecnica de Cataluna, Barcelona, Spain, E. Ramm, Univ. Stuttgart, FRG, F.G. Rammerstorfer, Vienna Univ. of Technology, Austria, R.L. Taylor, University of California, USA, .W. Wagner, Univ. Hannover, FRG, and W. Wunderlich, Munchen Univ. of Technology, FRG. Enhanced safety requirements togheter with the demand for reduced weight in the design of mechanical as well as civil engineering structures are leading to the development of new design concepts, to the use of advanced materials or new material combinations and to more accurate calculation methods. In many applications shell structures in combination with composite materials are replacing conventional constructions, and optimization methods become more important. Such weight saving strategies may result in rather flexible structures undergoing large deformations, and the utmost utilization of the strength of the materials requires the cons
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