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Hamamatsu-cho, Yasaki White Building Shiba-daimon, Minato-ku
Tokyo 105-0012 Japan
© 2008 The Japan Society of Naval Architects and Ocean Engineers
No part of this publication may be reproduced, stored in any retrieval system, or transmitted in any form or by any means, electronic, photocopying, recording or otherwise without the prior written permission of the Japan Society of Naval Architects and Ocean Engineers, Japan.
The Japan Society of Naval Architects and Ocean Engineers is not, as a body, responsible for the opinions expressed by the individual authors or speakers.
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Organizing Committee in Japan
Prof. Katsuro Kijima (Chairman) Professor Emeritus of Kyushu University
Dr. Naoteru Tsuda (Vice Chairman) Chairman of the Japan Soc. Nav. Arch. and Ocean Eng. Mr. Makoto Harunari Ministry of Land, Infrastructure, Transport and Tourism Dr. Kazuhisa Kuda Ministry of Defense, Technical R & D Institute
Mr. Shiro Inoue National Maritime Research Institute Mr. Hiroyuki Maekawa The Japanese Shipowners' Association Mr. Noboru Ueda Nippon Kaiji Kyokai (Class NK)
Mr. Masamoto Tazaki Shipbuilders' Association of Japan
Mr. Hiroshi Ishiwata The Cooperative Association of Japan Shipbuilders Dr. Yushu Washio Shipbuilding Research Center of Japan
Mr. Shiro Iijima Mitsubishi Heavy Industries, Ltd. Mr. Yoshinori Imashimizu IHI Marine United Inc.
Mr. Tamiyoshi Iwasaki Mitsui Engineering & Shipbuilding Co., Ltd. Mr. Tomokazu Taniguchi Kawasaki Shipbuilding Corporation Mr. Shin Takeuchi Universal Shipbuilding Corporation
Mr. Hitoshi Kashimoto Sumitomo Heavy Industries Marine & Engineering Mr. Hitoshi Fujita Imabari Shipbuilding Co., Ltd.
Mr. Takaaki Itoh Sanoyas Hishino Meisho Corporation Mr. Michio Nakagawa Shin Kurushima Dockyard Co., Ltd. Mr. Tomoyuki Yamazaki Namura Shipbuilding Co., Ltd. Mr. Yasunori Kohatake Tsuneishi Shipbuilding Company Mr. Tatsuaki Hori Oshima Shipbuilding Co., Ltd. Mr. Kouichi Nakatani Onomichi Dockyard
Prof. Takeshi Kinoshita The University of Tokyo Prof. Chang-Kyu Rheem (Secretary) The University of Tokyo Prof. Yasuyuki Toda (Secretary) Osaka University Prof. Masashi Kashiwagi Osaka University
Prof. Tsugukiyo Hirayama Yokohama National University Dr. Naoji Toki Mitsubishi Heavy Industries, Ltd. Mr. Akio Itoh IHI Corporation
Dr. Yoshiaki Kodama National Maritime Research Institute
Dr. Kazuyuki Yamakita Ministry of Defense, Technical R & D Institute
Dr. Seiko Ogiwara Japan Society of Naval Architects and Ocean Engineers
Executive Committee in Japan Prof. Takeshi Kinoshita (Chairman) The University of Tokyo Prof. Yasuyuki Toda (Secretary) Osaka University
Prof. Katsuro Kijima Professor Emeritus of Kyushu University Prof. Tsugukiyo Hirayama Yokohama National University Prof. Masashi Kashiwagi Osaka University
Dr. Yoshiaki Kodama National Maritime Research Institute
Mr. Akio Itoh IHI Corporation
Dr. Naoji Toki Mitsubishi Heavy Industries, Ltd.
Dr. Kazuyuki Yamakita Ministry of Defense, Technical R & D Institute Prof. Hiroharu Kato Toyo University
Dr. Shigesuke Ishida National Maritime Research Institute Prof. Naoya Umeda Osaka University
Prof. Yoshiho Ikeda Osaka Prefecture University Prof. Yusuke Tahara Osaka Prefecture University Prof. Eiichi Kobayashi Kobe University Prof. Shigeru Nishio Kobe University Prof. Yasuaki Doi Hiroshima University Prof. Hironori Yasukawa Hiroshima University Prof. Shuji Nagata Saga University Prof. Chang-Kyu Rheem The University of Tokyo Prof. Takafumi Kawamura The University of Tokyo Prof. Yusaku Kyozuka Kyushu University Prof. Akiji Shinkai Kyushu University Prof. Jun Ando Kyushu University Prof. Yoshitaka Furukawa Kyushu University Prof. Masahiko Nakamura Kyushu University
Prof. Chaniku Shin Nagasaki Institute of Applied Science
Prof. Kuniaki Shoji Tokyo University of Marine Science and Technology Dr. Norio Ishii Akishima Laboratories (Mitsui Zosen) Inc.
Dr. Michio Takai Sumitomo Heavy Industries Marine & Engineering Dr. Mitsuyasu Nagahama Universal Shipbuilding Co., Ltd.
Dr. Koichiro Matsumoto Universal Shipbuilding Co., Ltd.
Dr. Kazunori Sato Shipbuilding Research Centre of Japan
Mr. Toshikazu Masuya National Research Institute of Fisheries Engineering Dr. Yasunroi Iwasaki Akashi Ship Model Basin Co. Ltd.
Mr. Yoshifumi Tai Imabari Shipbuilding Co., Ltd. Dr. Jian Gang Shi Tsuneishi Shipbuilding Company
Dr. Seiko Ogiwara Japan Society of Naval Architects and Ocean Engineers Local Organizing Committee in Fukuoka
Prof. Masashi Kashiwagi (Chaiman) Osaka University Prof. Yusaku Kyozuka ESST, Kyushu University Prof. Akiji Shinkai Kyushu University Prof. Jun Ando Kyushu University Prof. Yoshitaka Furukawa Kyushu University Prof. Satoru Yamaguchi Kyushu University Prof. Masahiko Nakamura RIAM, Kyushu University Prof. Changhong Hu RIAM, Kyushu University Dr. Makoto Sueyoshi RIAM, Kyushu University Ms. Mizuho Mizutani Administrative Support Ms. Masako Yoshizu Administrative Support
Editors Prof. Masashi Kashiwagi
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Preface
It is my privilege to write this introduction to the Proceedings of the 25th International Towing Tank Conference on behalf of the Organizing Committee, the Japan Society of Naval Architects and Ocean Engineers.
The full conference took place in Japan the first time in 1966 at Tokyo, and the second in 1987 at Kobe. This time the venue is Fukuoka. We have three industrial and academic centers of the naval architecture in Japan. The Organizing Committee greatly appreciates tremendous efforts by the colleagues of the Research Institute for Applied Mechanics and the Department of Maritime Engineering, Kyushu University.
In 1966 Japanese ship building industry and related research activities were on catch-up stage. We learned a lot of things from the ITTC community. In 1987 Japanese ship building industry and related research activities were leading the top with other countries. Now we all are facing many issues such as global warming. The ITTC community should contribute to supporting the development of economical, safe an environmentally friendly maritime transportation, and offshore oil and gas extraction.
The proceedings include very high quality reports produced by the 25th ITTC General and Specialist Committees and the Quality System Group. The Chairmen, Secretaries and the Members of the Committees and Group are to be congratulated on their excellent contributions. On behalf of the Members of the 25th ITTC Executive Committee I thank all those just mentioned for sparing their time and effort in producing these most valuable reports.
Finally it is my personal pleasure to acknowledge and thank all my colleagues of the Organizing Committee, especially Professors Masashi Kashiwagi and Yasuuki Toda, who have been unstinting in their efforts to plan and arrange this Conference and those on the Executive Committee for their support.
I hope that you all have a very fruitful time during the conference and enjoy the social programme and your stay with us.
Professor Takeshi Kinoshita
Table of Contents
Volume I
Preface
Table of Contents Volume I Table of Contents Volume II Committees of the 25th ITTC
The Advisory Council 7
1. Membership and Meetings 7
2. Activities and Recommendation of the Advisory Council 7
3. Officers for the 26th ITTC Advisory Council 9
The Executive Committee 11
1. Introduction 11
2. Obituaries 11
3. Committee Membership 16
4. Committee Meetings 16
5. Committee Decisions 18
The Resistance Committee 21
1. Introduction 21
2. Resistance Committee Questionnaire 22
3. Trends in Experimental Fluid Dynamics 26
4. Scaling and Extrapolation Methods 32
5. Trends in Computational Fluid Dynamics 39
6. Validation of Prediction Techniques 45
7. Facility Bias World Wide Campaign 50
8. Design References and Optimization 58
9. Far Field Waves and Wash 60
10. Airwakes 63
11. Recommendations 68
12. References 68
The Propulsion Committee 83
1. Introduction 83
2. Update the State-of-the-Art for Propulsion Systems Emphasising Developments 85
Since the 2005 ITTC Conference 3. Review ITTC Recommended Procedures 98
4. Critically Review Examples of Validation of Prediction Techniques 109
Identify and Specify Requirements for New Benchmark Data 5. Review the Development and Progress in Unconventional Propulsors 112
Such as Tip-rake, Trans-cavitating and Composite Propellers (Hydroelasticity and Cavitation Erosion Susceptibility Taken into Account 6. Review Propulsion Issues in Shallow Water and Formulate Recommendations for 117
7. Review the Methods for Predicting the Performance of Secondary Thrusters and 120
Compare with Operational Experience 8. Finalise the Benchmark Tests for Waterjets and Analysis of the Data 125
9. Conclusion 131
10. References 134
The Manoeuvring Committee 143
1. Introduction 143
2. Overview of Manoeuvring Prediction Methods 145
3. Progress in System Based Simulations 150
4. Progress in CFD Based Manoeuvring Simulation Methods 154
5. Validation of Simulations & Benchmark Data: SIMMAN 2008 161
6. Manoeuvring and Course Keeping in Waves 171
7. New Experimental Techniques 176
8. Shallow and Confined Waters and Ship-Ship Interactions 180
9. Standards and Safety 184
10. Procedures 191
11. Conclusions 195
12. Recommendations to the ITTC 197
The Seakeeping Committee 209
1. General 209
2. Review of State-of-the-Art 211
3. ITTC Recommended Procedures 244
4. Conclusions and Recommendations 245
5. References and Nomenclature 251
The Ocean Engineering Committee 263
1. General 263
2. Bottom-Founded Structures 265
3. Predicting the Behaviour of Stationary Floating Structures and Ships 269
4. Dynamically Positioned Ships, Mobs 276
5. Wind, Waves and Current 278
6. Hydroelasticity and Impact 280
7. Renewable Energy Systems 283
8. New Experimental Techniques 286
9. Progress in CFD 290
10. Existing Procedures 292
11. Benchmark Data for Validation of CFD Codes 293
12. Validation of Software for Predicting Wave Loads and Responses of 294
Offshore Structures 13. Multiple-Scale Model Testing 294
14. Modelling Wind in Model Basins 298
15. Conclusions 301
16. Recommendations 304
17. Appendix: Benchmark Data for Validating CFD Codes 304
18. References 308
The Quality Systems Group 325
1. General 325
3. Other Matters 333
Appendix 1: Interim Tasks and Structure of the 26th ITTC Technical Committees and 337
Group 1. Structure of Technical Committees 337
2. Terms of Reference for the General and Specialist Technical Committees and Group 337
3. Mechanism for Identifying New Specialist Technical Committees 338
4. Proposed Structure of the Technical Committees and Group for 26th ITTC 338
5. Tasks of the Technical Committees and Group of the 26th ITTC 338
Appendix 2: Form for Curriculum Vitae of Nominees to ITTC Technical Committees 339
Appendix 3: Technical Committees Members Performance Evaluation Sheet 341
Appendix 4: Application Form to ITTC Membership 343
Appendix 5: Rules of International Towing Tank Conference (Current Version) 345
1. Aims 345
2. Activities 345
3. Membership 345
4. Organisation 345
5. Meetings 348
6. Composition of Executive Committee Based on GEO-Graphic Areas 349
7. List of Geographic Areas 349
8. General Additional Guide-Lines for the Operation of the ITTC 349
Appendix 6: Rules of International Towing Tank Conference 351
(Proposal of the Revised Version) 1. Description 351 2. Aims 351 3. Activities 351 4. Membership 351 5. Full Conference 352 6. Executive Committee 353 7. Advisory Council 355 8. Technical Committees 355 9. Groups 357
10. Serving in More Than One Capacity 357
11. ITTC Secretary 357
12. Management of ITTC Funds 358
13. The Conference 359
14. Communications 360
Appendix 7: List of Member Organizations 367
Appendix 8: List of Representatives (R), Members of Committees and Group (M) and 387 Observers (O), Invited for the 25th ITTC
Table of Contents
Volume II
Preface
Table of Contents Volume I Table of Contents Volume II Committees of the 25th ITTC
The Specialist Committee on Powering Performance Prediction 397
1. Executive Summary 397
2. Introduction 397
3. Tasks Set from the 24th ITTC 398
4. Foreword 398
5. Powering Performance Prediction 398
6. Predicting Powering Margins 421
7. Resistance of High Speed Marine Vehicles 422
8. Conclusions and Recommendations 425
9. References 427
Appendix A: Data Sheets for Database of Model and Full Scale Trials 429
The Specialist Committee on Uncertainty Analysis 433
1. Introduction 433
2. Completed Procedures 435
3. Structure of the Report 435
4. Uncertainty Analysis 435
5. Repeatability versus Reproducibility 440
6. Inter-laboratory Comparison 444
7. Guide to the Expression of Uncertainty in Experimental Hydrodynamics 446
8. Instrument Calibration 449
9. Laser Doppler Velocimetry 452
10. Uncertainty Analysis for PIV Measurements 453
11. Uncertainty Analysis Procedures for Captive Model Tests 455
12. Free-Running Model Tests 458
13. Uncertainty in Water Properties 462
14. Conclusions 462
15. Recommendations 463
16. References 463
Specialist Committee on Cavitation 473
1. Introduction 473
2. Cavitation Survey 474
3. Cavitation Modeling 477
4. Current Cavitation Modeling Methods 478
5. Multiphase Flow Cavitation Modeling 486
7. Waterjet Cavitation 499
8. Summary and Conclusion 503
9. Recommendations 505
10. References 505
Appendix A: Unconventional Rudders and Rudders Behind Highly-Loaded Propellers 513
Appendix B: Waterjet Cavitation Issues 517
The Specialist Committee on Wake Fields 535
1. General 535
2. Introduction 536
3. Survey of Numerical Methods for prediction of Wake Fields at Model and Full Scale 537
4. Review of Experimental Methods of Determining the Velocity Distribution in 543
the Wake 5. Development of Procedures for Measuring the Velocity Distribution in the Ship 551
Wake at Model Scale 6. Review and Update of the Existing Guidelines for the Simulation of the Wake 552
Fields for Cavitation Testing 7. Guidelines for the Use of PIV in Determining the Velocity Distribution in the Wake 553
8. Recommendations to the Conference 555
9. References and Nomenclature 556
The Specialist Committee on Azimuthing Podded Propulsion 563
1. Membership and Meetings 563
2. Recommendations of the 24th ITTC (Committee’s Tasks) 563
3. Introduction 564
4. State-of-the-Art 564
5. Podded Propulsor Tests and Extrapolation 567
6. Guidelines on Extrapolation to Full-Scale 573
7. Questionnaires 582
8. Review and Analysis of Cavitation Behaviour of Podded Propulsors Under 586
the Effect of Pod Steering Angle 9. Special Applications for Podded Propulsion 594
10. Technical Conclusions 599
11. References 599
The Specialist Committee on Stability in Waves 605
1. Introduction 605
2. Prediction of Extreme Motions and Capsizing of Intact Ships 606
3. Prediction of Dynamics of Damaged Ships 611
4. Stability Safety Assessment 624
5. Conclusions and Recommendations 632
6. References and Nomenclature 633
The Specialist Committee on Vortex Induced Vibrations Committee 641
1. General 641
2. Review of the State of the Art 643
3. Assessment of Prediction Methods 657
4. Technical Conclusions 659
Committees of the 25th ITTC
Executive Committee
Prof. Takeshi Kinoshita Chairman
The University of Tokyo, JAPAN
Dr. In-Young Koh Representative of Americas
NSWC, David Taylor Model Basin, USA
Dr. Harri Soininen Representative of Northern Europe
VTT Industrial Systems, FINLAND
Ir. Arne Hubregtse Representative of Central Europe
MARIN, THE NETHERLANDS
Dr. Ulderico Bulgarelli Representative of Southern Europe
INSEAN, ITALY
Prof. Yasuyuki Toda Representative of Pacific Islands
Osaka University, JAPAN
Dr. Seung-il Yang Representative of East Asia
Maritime & Ocean Engineering Research Institute, KOREA
Prof. Masashi Kashiwagi Secretary
Osaka University, JAPAN
Ex Officio Members
Mr. David Murdey Chairman of the Advisory Council
IOT, National Research Council of Canada, CANADA
Mr. Aage Damsgaard ITTC and Advisory Council Secretary
FORCE Technology, DENMARK
Prof. Atilla Incecik Past Chairman
Universities of Glasgow and Strathclyde, UK
Advisory Council Officers
Mr. David Murdey Chairman of the Advisory Council
IOT, National Research Council of Canada, CANADA
Dr. Naoji Toki Vice Chairman of the Advisory Council
Mitsubishi Heavy Industries Ltd., JAPAN
Mr. Aage Damsgaard ITTC and Advisory Council Secretary
Technical Committees and Group
General Technical Committees
Resistance Committee
Dr. Emilio F. Campana, INSEAN, ITALY Chairman Dr. Joseph J. Gorski, NSWC, David Taylor Model Basin, USA Secretary Dr. Sandy Day, Universities of Glasgow and Strathclyde, UK
Prof. De-Bo Huang, Harbin Engineering University, CHINA Prof. Ho Hwan Chun, Pusan National University, KOREA
Dr. Juha Schweighofer, Helsinki University of Technology, FINLAND (until 2006) Dr. Tommi Mikkola, Helsinki University of Technology, FINLAND (from 2006) Prof. Yusuke Tahara, Osaka Prefecture University, JAPAN
Prof. Gregor MacFarlane, Australian Maritime College, AUSTRALIA Dr. Jesus Valle, CEHIPAR, SPAIN
Propulsion Committee
Dr. Ki-Han Kim, Office of Naval Research, USA Chairman Dr. Stephen R. Turnock, University of Southampton, UK Secretary Prof. Wei-Xin Zhou, China Ship Scientific Research Center, CHINA
Dr. Suak-Ho Van, Maritime and Ocean Engineering Research Institute, KOREA Dr. Anton Minchev, Force - Danish Maritime Institute, DENMARK
Dr. Elena Ya Semionicheva, Krylov Shipbuilding Research Institute, RUSSIA Prof. Jun Ando, Kyushu University, JAPAN
Prof. Emin Korkut, Istanbul Technical University, TURKEY Dr. Paolo Becchi, Centro per gli Studi di Tecnica Navale, ITALY
Manoeuvring Committee
Dr.-Ing. Andrés Cura Hochbaum, HSVA GmbH, GERMANY Chairman Prof. Frederick Stern, IIHR, University of Iowa, USA Secretary Ir. F. Quadvlieg, MARIN, THE NETHERLANDS
Prof. Zao Jian Zou, Shanghai Jiao Tong University, CHINA
Dr. Sun Young Kim, Maritime and Ocean Engineering Research Institute, KOREA Dr. Kristian Agdrup, FORCE Technology, DENMARK
Prof. Hironori Yasukawa, Hiroshima University, JAPAN Dr. Pierre Perdon, Bassin d’Essais des Carčnes, FRANCE Dr. Riccardo Broglia, INSEAN, ITALY
Seakeeping Committee
Dr. Terence R. Applebee, NSWC, David Taylor Model Basin, USA Chairman Dr. Paul Crossland, QinetiQ, UK Secretary Dr. G. Hermanski, IOT, National Research Council of Canada, CANADA
Prof. Yonghwan Kim, Seoul National University, KOREA Dr. Jianbo Hua, SSPA, SWEDEN (until 2007)
Mr. Dariusz Fathi, Marintek, NORWAY (from 2007)
Dr. Koichiro Matsumoto, Universal Shipbuilding Corporation, JAPAN Mr. Jinzhu Xia, Australian Maritime College, AUSTRALIA
Dr. Gregory Grigoropoulos, National Technical University of Athens, GREECE Dr. Rumen Kishev, Bulgarian Ship Hydrodynamics Centre, BULGARIA
Ocean Engineering Committee
Dr. Pierre Ferrant, École Centrale de Nantes, FRANCE Chairman Prof. Martin J. Downie, University of Newcastle Upon Tyne, UK Secretary Prof. Antonio Carlos Fernandes, Federal University of Rio de Janeiro, BRAZIL
Ir. Jaap de Wilde, MARIN, THE NETHERLANDS
Dr. Sa Young Hong, Maritime and Ocean Engineering Research Institute, KOREA Prof. Jianmin Yang, Shanghai Jiao Tong University, CHINA
Dr. R. Baarholm, MARINTEK, Norway Prof. Shuji Nagata, Saga University, JAPAN
Dr. Nuno Fonseca, Instituto Superior Técnico, PORTUGAL
Specialist Technical Committees
Stability in Waves
Prof. Naoya Umeda, Osaka University, JAPAN Chairman Mr. Andrew J. Peters, QinetiQ, UK Secretary Dr. Arthur Reed, NSWC, David Taylor Model Basin, USA
Dr. Jan-Otto de Kat, MARIN, THE NETHERLANDS (until 2006) Dr. Ir. F. van Walree, MARIN, THE NETHERLANDS (from 2007)
Prof. Sheming Fan, Marine Design and Research Institute of China, CHINA Dr. Shigesuke Ishida, National Maritime Research Institute, JAPAN
Prof. Alberto Fransescutto, Universitŕ di Trieste, ITALY
Prof. Apostolos Papanikolaou, National Technical University of Athens, GREECE
Ice
Dipl.-Ing. Jens-Holger Hellman, HSVA GmbH, GERMANY Chairman Dr. M. Lau, IOT, National Research Council of Canada, CANADA
Mr. R. Sampson, University of Newcastle upon Tyne, UK Prof. Q.J. Yue, Dalian University of Technology, CHINA Mr. Göran Wilkman, Aker Arctic Technology Inc., FINLAND
Uncertainty Analysis
Dr. Joel T. Park, NSWC, David Taylor Model Basin, USA Chairman Dr. Ahmed Derradji Aouat, IOT, National Research Council of Canada, CANADA Secretary Prof. Bao Shan Wu, China Ship Scientific Research Centre, CHINA
Prof. Shigeru Nishio, Kobe University, JAPAN
Mr. Erwan Jacquin, Bassin d’Essais des Carčnes, FRANCE
Cavitation
Dr. Laurence Briançon-Marjollet, Bassin d’Essais des Carčnes, FRANCE Chairman Dr. W. Zierke, ARL, Pennsylvania State University, USA Secretary Dr. Scott Gowing, NSWC, David Taylor Model Basin, USA
Ir. H.C.J. van Wijngaarden, MARIN, THE NETHERLANDS Dipl.-Ing. Christia Johannsen, HSVA GmbH, GERMANY
Dr. Bong Jun Chang, Hyundai Maritime Research Institute, KOREA Mr. Jan Hallander, SSPA, SWEDEN
Prof. Takafumi Kawamura, University of Tokyo, JAPAN
Dr. Mohammad Saeed Seif, Sharif University of Technology, IRAN
Azimuthing Podded Propulsion
Dr. Noriyuki Sasaki, National Maritime Research Institute, JAPAN Chairman Prof. C.J. Yang, Shanghai Jiao Tong University, CHINA Secretary Prof. Mehmet Atlar, University of Newcastle upon Tyne, UK
Ir. J.H. Allema, MARIN, THE NETHERLANDS
Dr. Se-Eun Kim, Samsung Heavy Industries Co., KOREA Dr. Antonio Sanchez-Caja, VTT Industrial Systems, FINLAND Dr. V. Borusevich, Krylov Shipbuilding Research Institute, RUSSIA Dr. Francesco Salvatore, INSEAN, ITALY
Powering Performance Prediction
Prof. Sverre Steen, Norwegian University of Science and Technology, NORWAY Chairman Dr. M.J. Bobo de la Pena, CEHIPAR, SPAIN Secretary Prof. Wei Qui, Memorial University of Newfoundland, CANADA
Mr. Gabor Karafiath, NSWC, David Taylor Model Basin, USA
Dipl.-Ing. Richard Anzböck, Schiffbautechnische Versuchsanstalt in Wien, AUSTRIA Prof. Dexiang Zhu, China Ship Scientific Research Centre, CHINA
Dr. Jinho Jang, Samsung Heavy Industries, KOREA Dr. Naoji Toki, Mitsubishi Heavy Industries Ltd., JAPAN Prof. Mustafa İnsel, Istanbul Technical University, TURKEY
Vortex Induced Vibrations
Mr. Halvor Lie, MARINTEK, NORWAY Chairman Dr. Don Spencer, Oceanic Consulting Corporation, CANADA
Dr. S. Huang, Universities of Glasgow & Strathclyde, UK Prof. Jung-Chun Suh, Seoul National University, KOREA Prof. Xiong-Liang Yao, Harbin Engineering University, CHINA Prof. Chang-Kyu Rheem, University of Tokyo, JAPAN
Dr. Elena Ciappi, INSEAN, ITALY
Wake-Fields
Dr. Jin Kim, Maritime and Ocean Engineering Research Institute, KOREA Chairman Dr. T. Fu, NSWC, David Taylor Model Basin, USA
Dr. Tomasz Bugalski, Ship Design and Research Centre, POLAND Dr. M. Hinatsu, National Maritime Research Institute, JAPAN Dr. Fabio Di Felice, INSEAN, ITALY
Group
Quality Systems Group
Prof. Gerhard Strasser, Schiffbautechnische Versuchsanstalt in Wien, AUSTRIA Chairman Dipl.-Ing. Barbara Günther, Schiffbau Versuchsanstalt Potsdam GmbH, GERMANY
Dr. C.J. Lee, Maritime and Ocean Engineering Research Institute, KOREA Mr. Akio Ito, Ishikawajima-Harima Heavy Industries, JAPAN
The Advisory Council
Report to the 25th ITTC
1. MEMBERSHIP AND MEETINGS
The Membership of the 25th ITTC Advisory Council consisted of 31 organisations. Seoul National University and Akishima Laboratories (Mitsui Zosen) Inc. resigned from the council in 2005.
Mr. D. Murdey was elected as the Chairman and Dr. N. Toki as the Vice-Chairman. Mr. Aage Damsgaard was appointed as the Secretary.
The Advisory Council held three meetings since the last Conference. The first meeting was held in Rome, Italy 18–19 September 2006, the second in Fukuoka, Japan 20-21 September 2007, and the third meeting in Copenhagen, Denmark, 26-28 March 2008.
2. ACTIVITIES AND
RECOMMENDATIONS OF THE ADVISORY COUNCIL
2.1 Review of the Work of the Technical Committees and Groups
The technical committees and groups provided progress reports for the meetings of the Advisory Council in September 2006 and September 2007. The reports contained information on the progress of each committee’s work, attendance at meetings, and any other matters requiring the attention of the Council. The reports were reviewed at the meetings of the Council and the progress of the work was carefully monitored and the
committee chairmen were informed of the council’s comments.
2.2 Advisory Council Working Groups
To maintain the effectiveness of its technical work, the Council continued to make use of the four Working Groups set up before the 24th Conference. The Working Groups have two main responsibilities, to develop proposals for terms of reference for the future technical committees and to review and assess the procedures proposed by the technical committees. Each Working Group was concerned with the areas covered by approximately three technical committees. To provide a contact between the new technical committees and the Council, the Working Groups will remain in place after the next Conference, with the appropriate division of committees among them. This should expedite answering any questions the new technical committees may have concerning their terms of reference.
2.3 ITTC Recommended Procedures
The technical committees proposed 41 new or revised procedures.
The Council reviewed the procedures based on criteria for publication which had been revised at its meeting in Rome. The result of the review was that 22 procedures were accepted for publication without revision and 18 for publication after minor revisions had
been made. One procedure was published including a comment by the Council. All the procedures were passed to the Quality Systems Group who ensured they were in line with ITTC requirements for completeness, structure, symbols and format. The Quality Systems Group also managed the publication of the procedures in the Manual of ITTC Recommended Procedures and Guidelines.
2.4 Technical Committees for the 26th ITTC
At the meeting in March 2008, the Council reviewed the drafts of the “Technical Conclusions”, Recommendations to the Conference”, and “Recommendation for Future Work” provided by each technical committee and group as well as proposals submitted by ITTC members at large. Based on this information and its assessment of the needs of the ITTC, the Council drafted a proposal for the tasks and structure of the 26th ITTC Technical Committees and Group, See Appendix 1.
The following Committees are proposed: General Committees • Resistance • Propulsion • Manoeuvring • Seakeeping • Ocean Engineering Specialist Committees • CFD in Ship Hydrodynamics • Detailed Flow Measurements • High-speed craft
• Scaling of Wake Field • Stability in Waves • Surface Treatment • Uncertainty Analysis • Vortex Induced Vibrations
Terms of reference were also proposed for the Quality Systems Group.
2.5 ITTC Web Site
The permanent ITTC website was established at – http://ittc.sname.org .
The ITTC site is the primary source of information on the ITTC and includes the link to the detailed information on the 25th Conference
The Proceedings of all ITTC conferences (except the 2nd, which although not specifically named is included in the proceedings of the Institution of Naval Architects for 1934), have been uploaded to the website. In addition, the hard copy Catalogue of Facilities has been scanned and put on the website. An update of the Catalogue has been initiated.
2.6 Rules of ITTC
The Advisory Council reviewed drafts of the proposed new Rules for the ITTC that had been written by a working group of the Executive Committee. As a result of these reviews, several changes were suggested and included in subsequent drafts.
2.7 Continuity of organization of the ITTC
The Advisory Council was concerned that much of the knowledge and expertise concerning the organisation and operation of the ITTC would be lost as members of the ITTC community retired. To address this the Council drafted a procedure “General Guidelines for the Activities of Technical Committees, Liaison with Executive Committee and Advisory Council.” This
procedure includes an outline timetable for all the major activities carried out during the three- year period between Conferences.
3. OFFICERS FOR THE 26TH ITTC ADVISORY COUNCIL
Prof. Gerhard Strasser was appointed as the Chairman for the 26th ITTC Advisory Council. Dr. S.W. Hong was appointed Vice Chairman.
The Executive Committee
Report to the 25th ITTC
1. INTRODUCTION
The 25th ITTC Executive Committee has acted according to the Rules of the Organiza-tion as defined and published in the Proceed-ings of the 24th ITTC. The Executive Commit-tee has mostly approved and implemented those policies recommended by the Advisory Council and also implemented the decisions of the 24th ITTC Conference held in Edinburgh in 2005.
In all cases, the meetings of the Executive Committee have been arranged to coincide at the same venue as the meetings of the Advisory Council.
The Executive Committee consists of seven full-voting members, six of which are the Rep-resentatives of the six Geographical Areas, to-gether with the Chairman of the Executive Committee, who is selected by the previous Conference of the ITTC.
The following are non-voting ex-officio Members of the Executive Committee, the Past Chairman of the Executive Committee, and the Chairman and Secretary of the Advisory Coun-cil.
The Secretary of the Executive Committee, who is elected by the Executive Committee, is also an ex-officio non-voting Member of the Executive Committee.
2. OBITUARIES Makoto Ohkusu
Professor Makoto Ohkusu of Kyushu Uni-versity, Japan, passed away of cancer at pan-creas on May 12, 2006, aged 68. He was a member of the 18th ITTC seakeeping commit-tee (1984-1987), and the chairman of the 19th ITTC seakeeping committee (1987-1990).
The late Professor Ohkusu started his scien-tific career working on the steady wave-making resistance of a ship, as a student of Professor Emeritus Takao Inui at the University of Tokyo. The first work which made him internationally famous was on the hydrodynamic interactions among multiple floating bodies. This work has drawn much attention from engineers and sci-entists, and greatly contributed to the develop-ment of muti-hull ships and ocean platforms. Another outstanding contribution by him in ship hydrodynamics is the development of the unsteady wave-pattern analysis method. This provided a new technique for studying the hy-drodynamic forces on and motions of a ship running at forward speed in waves, and shed new light on the study of added resistance and resulting speed loss. He also published many other noteworthy papers, concerning such top-ics as the nonlinear behaviour of a long cable, a new evaluation method for the oscillating and translating Green function, and its application to the boundary-value problem for the flow around ships. In his last years before retirement from Kyushu University, he also worked on hydroelastic problems connected with very
large floating structures to be used as floating airports.
His academic achievements are highly rated, for which he received many awards, such as the best paper award in 1987 and the award of good textbook publication in 1997 both from the Society of Naval Architects of Japan (SNAJ), and also Yoshiki Award for long-term contributions to the development of shipbuild-ing technologies in 2005. He was chosen as the Lecturer for the prestigious Weinblum Lecture for the term of 2004-2005.
Choung Mook Lee
Professor Choung Mook Lee passed away on July 26, 2006 at the age of 73. He was born on November 1, 1933 in Pyungteck, Korea.
Prof. Lee served as the members of ITTC: 20th ITTC Quality Group, and 21st, 22nd and 23rd ITTC Executive Committees. Especially he made a significant contribution to the 22nd Conference held in Seoul and Shanghai in 1999 as the chairman of the Executive Committee. He attended Seoul National University and re-ceived his Bachelor of Science degree in naval architecture in 1958. He went to the Unites States of America in 1960 and received his Bachelor of Science degree in mechanical en-gineering from the University of North Dakota. Then he continued his advanced studies at the Department of Naval Architecture, University of California, Berkeley for his Master’s and Ph.D degrees in 1963 and 1966, respectively. He worked as a research engineer at the David Taylor Naval Ship R&D Center (DTNSRDC) during 1966-1982. He worked at the Korea Re-search Institute of Ships and Ocean Engineer-ing (KRISO) in Korea as the vice president on his sabbatical leave in 1978. He worked as S&T Progress Manager at Office of Naval Re-search during 1982-1986.
Prof. Lee returned to Pohang University of Science & Technology (POSTECH), Korea as a professor of mechanical engineering. He
served as the vice president of POSTECH from 1986 to 1991 and also as the director of the Advanced Fluid Engineering Research Center (AFERC), Center of Excellency Program sup-ported by the Government from 1990 to 2005. He published more than 200 research papers. He supervised 18 master’s and doctoral stu-dents. His research interests and contributions were significant, lasting and encompassing and covered development of a numerical scheme for the second order free surface wave prob-lems, ship motion problems related to the catamarans and SWATHs during his early ca-reer, and marine environmental problems in-cluding oil-spill recovery problems and magne-tohydrodynamics problems during his late ca-reer.
He received many awards and citations in-cluding the Outstanding Performance Awards in 1972 and 1975 from DTNSRDC and the Outstanding Performance Awards in 1983 and 1985 from ONR. He was also the American Bureau of Shipping- Captain Joseph H. Lin-nard Prize Recipients in 1975 from the Society of Naval Architects and Marine Engineers by a paper titled “Ocean Catamaran Seakeeping De-sign Based Upon the Experiences of USNS Hayes”. Prof. Lee also received the Out-standing Scientific Achievement Award in 1996 and the Best Paper Award in 2004 both from the Society of Naval Architecture of Ko-rea. He received the “Dongbaeg Badge” of Na-tional Decoration in 1997 from the Govern-ment.
Prof. Lee served as the presidents of the Korea Society of Theoretical and Applied Me-chanics (Korean counterpart of IUTAM), the Society of Naval Architecture of Korea (SNAK) and the Korean Society for Marine Environmental Engineering including the chairman of the Korean Towing Tank Confer-ence (KTTC). He retired from the Pohang Uni-versity of Science and Technology in February 2006 and became professor Emeritus. Professor Lee is survived by his wife, Dr. Sin Ai H. Lee, and two daughters, Jean Young L. Chae and Sue Lee Collins, both living in the States.
Hitoshi Fujii
Dr. Hitoshi Fujii passed away at the age of 78 on December 11, 2006. He entered Mitsubi-shi Heavy Industries Ltd. (MHI) after serving as a research associate at Osaka University. He served MHI as a manager of Seakeeping Re-search Laboratory from 1971 to 1974, as the Chief Research Engineer of Nagasaki Research and Development Center from 1982 to 1986. During the period, he devoted himself to the planning, construction and management of our Seakeeping and Manoeuvring Basin. He was really a boss of Seakeeping and Manoeuvring specialists in Nagasaki, even after his retire-ment.
After the retirement from MHI, he moved to Nagasaki Institute of Applied Science as a professor.
He contributed to International Towing Tank Community as members of Manoeuvra-bility Committees of the 15th ITTC (the Har-gue, 1978) and the 16th ITTC (Leningrad, 1981). Besides that, throughout his carrier in MHI, he supported the representative of Na-gasaki Experimental Tank to ITTC as the head of Seakeeping and Manoeuvring Basin.
He also joined discussions in MARINTEK, SSPA and Bulgarian Ship Hydrodynamic Cen-tre when the people there were planning their basins for the testing of Seakeeping, Manoeu-vring and Ocean Engineering.
Dick van Manen
Professor Dick van Manen passed away on Friday December 8, 2006 at the age of 83. An outstanding personality, whose influence con-tinues to be visible in the current maritime re-search infrastructure. Not limited only to the Netherlands, but his traces can be found abroad as well. He maintained professional and amica-ble contacts with many of his US colleagues, which is reflected in his friendship with many
of his contemporaries at the David Taylor Model Basin and at the SNAME.
He particularly left his mark as director (1972-1986) of the Maritime Research Institute in Wageningen (MARIN) and as part-time pro-fessor of Resistance and Propulsion in the then Naval Architecture faculty of Delft University of Technology (1962-1988). After his prede-cessor (Prof. W.P.A. van Lammeren) laid the foundation for a better understanding of propel-ler propulsion through the systematic Wagen-ingen B series, still used worldwide to this day, Dick van Manen occupied himself primarily with the propulsion concept in a somewhat broader sense. He did his Ph.D study, only two years after he finished his MSc degree at MARIN, on the effect of the non-uniformity of the wakefield on the design of propellers, a subject that attracted significant attention in those days, after renowned publications by Betz and Lerbs on ideal radial loading distribu-tions.
Dick van Manen produced publications on a large number of concepts, such as the paddle wheel, the ducted propeller, vertical axis pro-pellers (also known as Voith-Schneider), con-trarotating propellers and finally his invention: the Whale Tail Wheel (a combination which links the kinematics of a whale tail to that of the wheel). Perhaps the most important lesson for his pupils was that he was continually searching for the elementary simplicity of the working principles. An illustration of this is the pump diagram, in which he plotted pump char-acteristics for a number of ship propulsors in addition to pumps. An enduring legacy is the Vacuum Tank built in Ede under his leadership. A laboratory specifically developed for vibra-tion nuisance, noise and erosion research on ships’ propellers.
Dick won a number of awards and honorary memberships. He became a fellow of the Royal Institution of Navigation (UK) in 1975 and be-came a honorary member – fellow of the SNAME in 1976. In 1978 he became member of the Royal Netherlands Academy of Sciences
and in 1984 he won the prestigeous David W. Taylor Golden Medal, awarded to him by the SNAME. In addition, he chaired the Interna-tional Towing Tank Conference for a number of years.
Alongside his infectious enthusiasm for his field of work as an ongoing source of profes-sional satisfaction, Dick van Manen was a ‘champion of positive thinking’. He was able to utilize these characteristics well in a time in which he observed the full impact of the reduc-tion in Dutch shipbuilding.
In our minds we recall a master, a figure of stature with a charming presence, searching continuously for the essence and the simplicity of hydromechanics, with undiminishing and infectious enthusiasm.
Masatoshi Bessho
Professor Masatoshi Bessho passed away on June 24, 2007 at the age of 80. He studied at the Department of Naval Architecture, the Uni-versity of Tokyo, graduated in 1950, and con-tinued advanced studies at the graduate school of the same university as a special research student. In 1955, he became a lecturer at the National Defence Academy, and he was pro-moted to an associate professor in 1957 and full professor in 1968. Until his retirement from the National Defence Academy in 1992 and even after the retirement, he had been con-tributing to the research and education, and his influence is wide-spread not only in Japan but also in the whole world.
There are many hydrodynamic relations and theories with the name of Bessho, and his dis-tinctive and incisive ideas with ample knowl-edge of mathematics are sometimes referred to as ‘magic’. A wave-less floating body and the reverse-time velocity potential are examples of those magical ideas. His academic interest was very broad, such as viscous and wave-making resistances, wave-body interactions, hydrody-namic problems on high-speed ships,
hydroe-lasticity, acoustics, seaquakes, optimization in hydrodynamic problems, to name a few.
He had been very amicable to all genera-tions of researchers, and especially younger researchers were spurred through discussions with him and just talk on various topics. Not only limited to magical theories but also he had a great knowledge of experiments and physical insight, and thus it is sure that he had influ-enced greatly the activities of the ITTC, par-ticularly in Japan.
Because of his outstanding contributions and internationally-acclaimed achievements, he received various awards, such as the best paper award and Yoshiki Award from the Society of Naval Architects of Japan. In addition, he was also chosen as the Lecturer for the prestigious Weinblum Lecture for the term of 1993-1994.
Dimitar Kostov Kostov
Dr. Dimitar Kostov Kostov, Senior Re-search Scientist, Head of Ship Hydrodynamics department of the Bulgarian Ship Hydrody-namics Centre (BSHC) in Varna, passed away on 02 October 2007 at the age of 62.
Born on 26 June 1945 in Varna, Bulgaria, Dr. Kostov received his M. Sc. degree as naval architect at the Technical University, Varna, in 1969.
Dr. Kostov started his scientific career in 1973 at the Shipbuilding Institute, Varna. He received his Ph.D degree at Leningrad Ship-building Institute in 1977 for his thesis on in-vestigation and development of methods for evaluation of full ships wave making resistance. In 1986 academic rank “senior research sci-entist” was conferred on Dr. Kostov in the field of “ship theory”. In the same year he realized successful scientific fellowship on the ship form optimization for resistance minimization at the University of Tokyo and Yokohama Na-tional University in Japan.
Dr. Kostov was one of the first researchers with deep contributions to the formulation of the composition and the scientific research tasks of the Bulgarian Ship Hydrodynamics Center and was amongst the founders of this Institution. From the establishment of BSHC in 1977 till 2007 Dr. Kostov occupied series of scientific management posts in the field of ship design and ship performance investigation as well as the post of BSHC scientific research activities assistant director. He was an active member of BSHC Scientific Council since its foundation.
Dr. Kostov was manager of series succes-sively finished European and International in-vestigations and projects.
He was one acknowledged researcher and scientist amongst the international scientific community as well as member of the Resis-tance & Flow Committee of the 20th ITTC.
Kaname Taniguchi
Dr. Kaname Taniguchi, the re-founder of Nagasaki basin of Mitsubishi Heavy Industries Ltd. (MHI), passed away at the age of 94, on April 29, 2008.
Dr. Kaname Taniguchi entered MHI after graduating from the University of Tokyo in April, 1937 and started working in the model basin. At the time, the model basin of Mitsubi-shi was a copy of No.1 Tank in Hasler, which had been completed in Nagasaki shipyard in 1908. Shortly after, the planning of a new lar-ger model basin in a site separate from the shipyard was started and the construction of the present basin was completed in December, 1943. However, in less than two years, the above-ground part of the tank was completely destroyed by an Atomic bombing in August 9th, 1945. After the war, he devoted himself to the revival of the tank, and completed the revival of a part of the smaller basin in 1949 and whole facility in 1953. Then, he tried to manage the whole process of the tank tests as well as
pos-sible, from hull and propeller design, model manufacturing, equipments for the measure-ments, conducts of model tests, analyses of the measured data and power estimation of the full-scale ship. After completing the whole proce-dures of works within the model tank, he pro-ceeded to the improvement of the measurement in Sea Trial and developed the use of what we call “Togino-type torsion meter” and accumu-lated the full-scale trial data. His paper titled “Model-Ship Correlation Method in the Mitsu-bishi Experimental Tank” was published in 1963 and marked as the first paper of this kind. He served as a leader of the model tank until May 1965 and then he undertook the higher and wider responsibility in Mitsubishi. He re-tired from Mitsubishi in June 1981 after serv-ing as the vice-president of the company. After the leave from the tank and even after the re-tirement from Mitsubishi, he continued to be a backbone of Nagasaki Basin.
He attended International Towing Tank Conference for the first time at 7th ITTC (1954, Scandinavia). In 1958, he joined the “Commit-tee of Scale Effects on Propellers and on Pro-pulsion Factors” of 9th ITTC (1960, Raris) in response to the request by the chairman, Dr. H. Edstrand. He continued the contribution to ITTC as a member of Propulsion Committee in 10th ITTC (1963, Teddington), a member of Performance Committees in 11th ITTC (1966, Tokyo) and 12th ITTC (1969, Rome). Then, he served as a member of Executive Committee in 13th ITTC (1972, Berlin Hamburg) and 14th ITTC (1975, Ottawa) representing Japan, Ko-rea and China. However, shortly after the start of the 14th term, he got an ill and handed over the Executive Committee membership to Prof. Seizo Motora. He also served as a primary member of the Local Organizing Committees of 11th ITTC and 18th ITTC (1987, Kobe).
Tatsuro Hanaoka
Dr. Tetsuro Hanaoka, former Professor of Kagoshima University and former Director of the Ship Dynamics Division of Ship Research