(cid:127) AD-A270 052 I A -4 if. Theoretical and Applied Mechanics 1992 edited by S.R. Bodner J. Singer A. Solan Z. Hashin TDG T (cid:1) .~. S(cid:127).EPL E;3 C0 T199E3fl . proedfor ivublia North-Holland THEORETICAL AND APPLIED MECHANICS 1992 Accesion For NTIS CRA&I DTIC TAB UV;announcedc Justification DTIC By TL CT Dist, ibution flELECTE 0 Availability Codes SEP 3 0 1993 E Avail andIor Dist Special E D 1DTIC q1JA!X'. t'rF(cid:127)i (cid:127)prproved for public ree INTERNATIONAL UNION OF THEORETICAL AND APPLIED MECHANICS Si AD NUMBER DATE DTIC ACCESSION NOTICE REQUESTE 1. REPORT IDENTIFYING INFORMATION 1. Put your mading address A. ORIGINATING AGENCY on reverse of form. L&'c/1(cid:127) _:7 (cid:127),U, 2. Copete items I and 2,. B. REfOR* TITLE 'AND/OR NMMBER 3 Attach form to reports , 3 maloed to DTIC. C. /KVOCN IT,O) R. (cid:127) RE9P9 O! R1 7T , N;U MBECR ' 4. Uisf"er'° munactlaiossnif i<ed only "D. PPEO 5. Do not order document D. PREPARED UNDER CONTRACT NUMBER or 6 to 8 weeks. 7,.,)0 ,44- 93 N,)-C,/i-d 2. DISTRIFBTION STATEMFINT- -) DTII 1'' -- .AssnADNuer 2. Return to requester DTIC Form 50 PREVIOUS EDITIONS ARE OBSOLETE Mar 91 THEORETICAL AND APPLIED MECHANICS 1992 Proceedings of the XVIlIth InternationalC ongress of Theoreticala nd Applied Mechanics. Haifa. Israel, 22-28 August 1992 Edited by Sol R. BODNER Josef SINGER Alexander SOLAN Technion -Israel Institute of Technology Haifa, Israel and Zvi HASHIN Tel Aviv University Tel Aviv, Israel 93-22612 1993 ELSEVIER AMSTERDAM - LONDON - NEW YORK ° TOKYO ELSEVIER SCIENCE PUBLISHERS B.V. Sara Burgerhartstraat 25 P.O. Box 211, 1000 AE Amsterdam, The Netherlands ISBN: 0 444 88889 6 © 1993 IUTAM. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic. mechanical, photocopying, recording or otherwise, without the prior written permission of the publisher, Elsevier Science Publishers BS., Copyright & Permissions Department, P.O, Box 52 1, 1000 AM Amsterdam, The Netherlands. Special regulations for readers in the U.S.A. This publication has been registered with the Copyright Clearance Center Inc. (CCC), Salem, Massachusetts. Information can be obtained from the CCC about conditions under which photocopies of parts of this publication may be made in the U.S.A. All other copyright questions, including phototcopying outside of the U.S.A., should be reffered to the publisher, Elsevier Science Publishers B.V., unless otherwise specified. No responsibilty is assumed by the publisher or by IUTAM for any injury and/or damage to persons or property as a matter of products liability, negligence or otherwise, or from any use or operation of any methods, products, instructions or ideas contained in the material herein. This book is printed on acid-free paper. PREFACE This book contains the Proceedings of the XVIIIth International Congress of Theoretical and Applied Mechanics, held at th-b Technion, Israel Institute of Technology, Haifa, August 22-28, 1992. The Congress was held under the auspices of The International Union of Theoretical and Applied Mechanics (IUTAM) by invitation of The Israel Society for Theoretical and Applied Mechanics and Technion, Israel Institute of Technology and under the sponsorship of the Israel Academy of Sciences and Humanities. The full text of the two General Lectures, of introductory lectures of the three minisymposia and of sectional lectures, according to the list on pages xi, xii, are included in this volume. The contributed papers are listed by author and title; most of them will be published in appropriate scientific journals. The publication of these Proceedings has been handled promptly and very capably by Elsevier Science Publishers B.V. and their editors to whom we are very gra:eful. Josef Singer Sol R. Bodner Alexander Solan Zvi Hashin Haifa December 1992 MayoVr anLW AN&D . ,rO l n ev . a Vv l i h t 1t1 17leOf t : Inger, - ffa flder, J. Lighhl Oeing Cer'eiony VII H C 4) 4) Q I- 0 U 0 _______________________________ I- 4) E E 0 Q 'b:i 4)0 C U C 4) 0 Viii H.K. Moffatt and M. Kiya L. van Wijngaarden, Z. Hashin and M. Sayir