Aircraft structures for engineering students - part 1 pps

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E N G I N E E RrN G STU D E NTS

THIRD EDITION

T.H.G. MEGSON

Aircraft Structures

for engineering students

To The Memory of My Father

Aircraft Structures

for engineering students

Third Edition

T. H. G. Megson

i EINEMANN

OXFORD AMSTERDAM BOSTON LONDON NEWYORK PARIS

SANDIEGO SANFRANCISCO SINGAPORE SYDNEY TOKYO

Butterworth-Heinemann

An imprint of Elsevier Science

Linacre House, Jordan Hill, Oxford OX2 8DP

200 Wheeler Road, Burlington, MA 01803

First published by Arnold 1972

First published as paperback 1977

Second edition published by Arnold 1990

Third edition published by Arnold 1999

Reprinted by Butterworth-Heinemann 2001 (twice), 2002,2003

Copyright Q 1999, T H G Megson. All rights reserved.

The right of T H G Megson to be identified as the authors of this work

has been asserted in accordance with the Copyright, Designs and

Patents Act 1988

No part of this publication may be reproduced in any material form

(including photocopying or storing in any medium by electronic means

and whether or not transiently or incidentally to some other use of this

publication) without the written permission of the copyright holder except

in accordance with the provisions of the Copyright, Designs and Patents Act

1988 or under the terms of a licence issued by the Copyright Licensing

Agency Ltd, 90 Tottenham Court Road, London, England WIT 4LP.

Applications for the copyright holder’s written permission to reproduce any

part of this publication should be addressed to the publishers.

Permissions may be sought directly from Elsevier’s Science and Technology

Rights Department in Oxfod, UK: phone: (+44) (0) 1865 843830;

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You may also complete your request on-line via the Elsevier Science

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British Library Cataloguing in Publication Data

A catalogue record for this book is available from the British Library

Library of Congress Cataloging in Publication Data

A catalogue record for this book is available from the Library of Congress

ISBN 0 340 70588 4

For information on all Butterworth-Heinemann publications

please visit our website at www.bh.com

Typeset in 10112 Times by Academic & Technical vpesetting, Bristol

Printed and bound in Great Britain by MPG Books Ltd, Bodmin, Cornwall

Contents

Preface

Preface to Second Edition

Preface to Third Edition

Part I Elasticity

1 Basic elasticity

1.1 Stress

1.2

1.3 Equations of equilibrium

1.4 Plane stress

1.5 Boundary conditions

1.6

1.7 Principal stresses

1.8 Mohr’s circle of stress

1.9 Strain

1.10 Compatibility equations

1.11 Plane strain

1.12 Determination of strains on inclined planes

1.13 Principal strains

1.14 Mohr’s circle of strain

1.15 Stress-strain relationships

1.16 Experimental measurement of surface strains

Notation for forces and stresses

Determination of stresses on inclined planes

References

Problems

2 Two-dimensional problems in elasticity

2.1 Two-dimensional problems

2.2 Stress functions

2.3 Inverse and semi-inverse methods

2.4 St. Venant’s principle

2.5 Displacements

2.6 Bending of an end-loaded cantilever

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