Load Transformation Matrices
The mathematical reduced (condensed) dynamic model consists of the reduced- mass and reduced-stiffness matrices. The damping matrix is, in general, not delivered in a reduced form because the damping characteristics will be introduced later in the dynamic
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Engineering
ONLINE LIBRARY
http://www.springer.de/engine/
Springer-Verlag Berlin Heidelberg GmbH
Jaap Wijker
Mechanical Vibrations in Spacecraft Design
With 120Figuresand 29 Tables
•
Springer
Jaap Wijker Dutch SpaceBY P.O. Box32070 2303 DBLeiden The Netherlands
E-mail: [email protected]
ISBN 978-3-642-07354-0 ISBN 978-3-662-08587-5 (eBook) DOI 10.1007/978-3-662-08587-5
Cataloging-in-Publication Data applied for. Bibliographic information published by Die Deutsche Bibliothek. Die Deutsche Bibliothek lists this publication in the Deutsche Nationalbibliografie; detailed bibliographic data is available in the Internet at . This work is subject to copyright. All rights are reserved, whether the whole or part ofthe material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or in other ways, and storage in data banks. Duplication ofthis publication or parts thereofis permitted only under the provisions ofthe German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer-Verlag. Violations are liable to prosecution under German Copyright Law. http ://www.springer.de
© Springer-Verlag Berlin Heidelberg 2004 Originally published by Springer-VerlagBerlin Heidelberg New York in 2004 Softcover reprint of the hardcover 1st edition 2004 The use of general descriptive names, 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 protective laws and regulations and therefore free for general use. Typesetting: Dataconversion by author Cover-design: medio, Berlin Printed on acid-free paper 62 1 3020 hu - 5 4 3 2 I 0
Dedicated to my mother
Maartje Wijker-Gravemaker and to the memory of my father
Job Wijker
Preface
This book about mechanical vibrations focuses on spacecraft structures design and reflects my experiences gained at Dutch Space B.Y., formerly Fokker Space B.Y., Fokker Space & Systems B.Y. and the Space Division of Fokker Aircraft B.Y., over a period of about 30 years. Many books about mechanical vibrations have been published, however, in spacecraft structures design, many vibration topics are applied but can be read in different books. I have collected in this book most of the topics about mechanical vibrations techniques usually applied in spacecraft structures design . I work as a part-time associate professor at the Chair Aerospace Structures & Computational Mechanics, Faculty of Aerospace Engineering, Delft University of Technology, and lecture "Spacecraft Structures" in the Master's program. The scientific environment at the university, in combination with my work in the aerospace industry, has amplified the wish to write a book about mechanical vibrations with focus on spacecraft structures design. To bring together most of the techniques of modal and dynamic response analysis is my greatest motivation to write this book. I would
