Computational Techniques for Structural Health Monitoring
The increased level of activity on structural health monitoring (SHM) in various universities and research labs has resulted in the development of new methodologies for both identifying the existing damage in structures and predicting the onset of damage
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Srinivasan Gopalakrishnan Massimo Ruzzene Sathyanarayana Hanagud •
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Computational Techniques for Structural Health Monitoring
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Srinivasan Gopalakrishnan Department of Aerospace Engineering Indian Institute of Science Bangalore 560012 India e-mail: [email protected]
Prof. Sathyanarayana Hanagud School of Aerospace Engineering Georgia Institute of Technology Atlanta, GA 30332 USA e-mail: [email protected]
Massimo Ruzzene School of Aerospace Engineering and School of Mechanical Engineering Georgia Institute of Technology Atlanta, GA 30332 USA e-mail: [email protected]
ISSN 1614-7839 ISBN 978-0-85729-283-4 DOI 10.1007/978-0-85729-284-1
e-ISBN 978-0-85729-284-1
Springer London Dordrecht Heidelberg New York British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library Ó Springer-Verlag London Limited 2011 Apart from any fair dealing for the purposes of research or private study, or criticism or review, as permitted under the Copyright, Designs and Patents Act 1988, this publication may only be reproduced, stored or transmitted, in any form or by any means, with the prior permission in writing of the publishers, or in the case of reprographic reproduction in accordance with the terms of licenses issued by the Copyright Licensing Agency. Enquiries concerning reproduction outside those terms should be sent to the publishers. The use of registered names, trademarks, etc., in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant laws and regulations and therefore free for general use. The publisher makes no representation, express or implied, with regard to the accuracy of the information contained in this book and cannot accept any legal responsibility or liability for any errors or omissions that may be made. Cover design: eStudio Calamar, Berlin/Figueres Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)
To Samuel, Luca, Karthik and Keerthana
Preface
Philosophy of design of structures has undergone a sea change. Lighter and sleek structures have replaced bulky and heavy ones thanks to the increased emphasis on avoiding overly conservative design. These developments have introduced severe constraints on design methodologies that are currently in practice, which requires the use of new technologies to monitor the integrity of structures. Structural Health Monitoring (SHM) is one such technology, which can provide information on the state of the structure continuously or at periodic intervals. The importance of SHM technology is demonstrated by the wealth of research activity and initiatives in this emerging area. The importance of SHM is expected to grow as new materials such as composites find increasing application in novel lightweight construction. Laminated composites also offer the opportunity for sensors to be embedded at the manufacturing stage, whic
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