Proceedings of the 16th International Ship and Offshore Structures Congress, ISSC'06. University of Southampton, UK, 20-25 August 2006, Edited by P.A. Frieze and R.A. Shenoi, Volume 3, ISBN: 085432 8556 (summary)

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P R O C E E D I N G S O F T H E 16^" I N T E R N A T I O N A L SHIP AND O F F S H O R E S T R U C T U R E S C O N G R E S S VOLUME 3 Edited by P.A. FRIEZE and R.A.SHENOI University of Southampton

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University' of Southampton

Highfleld, Southampton SO 17 IBJ, England

All rights reserx ed; no part of this publication may be reproduced, stored in any retrieval system, or transmitted in any form or by any means, electronic, mechanical,

photocopying, recording, or othenvise without either the prior written pennission o f the Publishers or a licence permitting restricted copying in the United Kingdom issued by the Copyright Licensing Agency Ltd, 90 Tottenham Court Road,

London W I P 9 H E . First published 2006

ISBN 085432 8556

Designed and set by S.G. Lewis.

Printed in Great Britain by Henry Ling Ltd, at the Dorset Press, Dorchester, Dorset

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P R E F A C E

The 16'^ Intemational Ship and Oflshore Structures Congress (ISSC 2006) was held in Southampton, UK, 20-25 August 2006.

The Proceedings o f the Congress consist of three volumes. Volumes 1 and 2 contain the reports ofthe Technical Committees, the Specialist Committees and Specialist Task Committees. Volume 3 includes the discussion of these reports and the replies of the committees.

P A Frieze R A Shenoi

Chairman Secretar>' Southampton, August 2008

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C O N T E N T S

Preface v KEYNOTE LECTURE I Safety, Politics and Crime 1

By Alan Gavin

KEYNOTE LECTURE 2 Modelling o f fluid-structure 8 interactions

By W.G. Price

Discussion o/ilie Teclinical Coininitlees

COMMITTEE l . l : ENVIRONMENT 33

COMMITTEE 1.2: LOADS 51 COMMITTEE I I . I : QUASI-STATIC RESPONSE 77

COMMITTEE II.2: DYNAMIC RESPONSE 97 COMMITTEE I I I . I : ULTIMATE STRENGTH 117 COMMITTEE 111.2: FATIGUE AND FRACTURE 143 COMMITTEE I V . I : DESIGN PRINCIPLES A N D 165

CRITERIA

COMMITTEE IV.2: DESIGN METHODS 181

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Discussion of tlie Specialist Committee Reports:

COMMITTEE V . l : COLLISION A N D GROUNDING 201

COMMITTEE V.2: COMMITTEE V.3: FLOATING PRODUCTION SYSTEMS FABRICATION TECHNOLOGY 219 231

COMMITTEE V.4: OCEAN WIND A N D WAVE

ENERGY UTILIZATION

253

COMMITTEE V.5: N A V A L SHIP DESIGN 273

COMMITTEE V.6: CONDITION ASSESSMENT OF

AGED SHIPS

295

Discussion ofthe Special Task Committee Reports

COMMITTEE V I . I : COMMITTEE VI.2:

RELIABILITY BASED STRUCTURAL DESIGN A N D CODE DEVELOPMENT VERY LARGE FLOATING STRUCTURES

313 327