23 rd International HISWA Symposium on Yacht Design and Yacht Construction. Amsterdam, 17 & 18 November 2014 PROCEEDINGS. Edited by P.W.

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1 23 rd International HISWA Symposium on Yacht Design and Yacht Construction Amsterdam, 17 & 18 November 2014 PROCEEDINGS Edited by P.W. de Heer Organizing Committee Pepijn de Jong Michael Steenhoff Irene Dros Delft University of Technology HISWA Vereniging The Dutch National Association of Watersport Industries Amsterdam RAI Convention Centre Scientific Committee Bart Bouwhuis Prof. Hans Hopman Pepijn de Jong Bram Jongepier Geert Kapsenberg Thys Nikkels Michael Steenhoff Peter van Terwisga Vripack TU Delft TU Delft Feadship MARIN Dijkstra Naval Architects HISWA Vereniging Damen Shipyards November 2014 Organized by HISWA - National Association of Watersport Industries in The Netherlands, The International Trade Show of Marine Equipment METS 2014 Delft University of Technology Photo cover: Royal Huisman Delft University of Technology Section Ship Hydromechanics and Structures 1

2 Printed by: Sieca Repro B.V. Turbineweg 20 Postbus AC Delft Phone: +31 (0) KONINKLIJKE BIBLIOTHEEK, DEN HAAG Depot van Nederlandse Publicaties Postbus AJ Den Haag 23 rd International Symposium on Yacht Design and Yacht Construction : Proceedings of the 23 rd International Symposium on Yacht Design and Yacht Construction, Amsterdam, 17 & 18 November 2014 Delft University of Technology, Section Ship Hydromechanics and Structures, The Netherlands. ISBN/EAN: Subject headings: Yacht Design, Yacht Construction 2

3 TABLE OF CONTENTS Table of Contents... 3 Symposium Program... 5 Program Monday November 17, Program Tuesday November 18, Introduction... 7 Symposium Papers

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5 SYMPOSIUM PROGRAM Program Monday November 17, 2014 Moderator Hans Hopman Registration Opening Session Will increasing regulations affect the demand for superyachts? C. van Hooren, SYBAss Dynamic positioning capabilities for superyachts J. Calver, J. Roy, BMT Nigel Gee A quantitative study on relative motions during tender boarding P. van Loon, Feadship Coffee break Session Parameters affecting the performance of the C-class wing sail M. Magherini, S.R. Turnock, I.M. Campbell, University of Southampton Dynamic measurement of pressures, sailshape and forces on a full scale spinnaker J. Deparday, P. Bot, F. Hauville, Naval Academy Research Institute, France D. Motta, D. J. Le Pelley, R.G.J. Flay, Yacht Research Unit, University of Auckland Can a flapless hydrofoil provide a realistic alternative to a standard Moth foil with a flap? J.R. Mackenzie, Australian Maritime College Reception Dinner cruise 5

6 Program Tuesday November 18, 2014 Moderator Hans Hopman Opening day 2 Session The interaction between sailing yachts in fleet and match racing situations P.J Richards, N. Aubin, D.J. Le Pelley, Yacht Research Unit, University of Auckland Comparison of downwind sailing performance predicted from wind tunnel tests with fullscale trials from America s Cup Class Yachts I.M. Campbell, Wolfson Unit MTIA Coffee break Session Experimental and numerical assessment of mega-yacht aerodynamic performances and characteristics F. Fossati, P. Schito, F. Robustelli, Politecnico di Milano A. Cuoci, M. Derudi, Politecnico di Milano S. Dellepiane, Azimut Benetti Advanced propulsion trains for superyachts S. Brealey, J. Roy, BMT Nigel Gee F. Hoppe, Renk Lunch break Session Solving vibrational resonance on a large yacht using a Tuned Mass Demper A.W. Vredeveldt, TNO Glass as a load bearing material in yacht structures K.M. Jansen, Feadship Adhesion: lessons learned about adhesive bonding in ship structures K. Custers, B.-J. Bekkers, Damen Shipyards Coffee break Session Merits of flapping roll stabilizer fins R. Dallinga, S. Rapuc, MARIN Design optimalisation for small craft A. Markov, A. Abma, Vripack Closing 6

7 INTRODUCTION Before you lie the Proceedings of the 23 rd International HISWA Symposium on Yacht Design and Yacht Construction to be held in Amsterdam on November 17 th and 18 th The 23 rd edition marks a number of changes surrounding the oldest symposium in the area of yacht design and research. First and foremost, it is the first symposium without Lex Keuning in charge since the 13 th edition of His substantial contribution to the symposium over the last decades was commemorated during the last symposium two years ago. Here I would like to congratulate Lex on the outstanding quality of the symposium during this period and to thank him for his many years of hard work and dedication he has put in to the HISWA Symposium. It is our challenge to continue this impressive track record. Besides this change, there have been quite some changes in the scientific committee. The committee has been strengthened by the addition of a few members from both academia and the industry. This illustrates the nature of the HISWA Symposium: to form a bridge between the work that is carried out in the academic setting and the practitioners, the designers and builders of yachts and the industry surrounding them, and to encourage the active discussion between them. Another change is the move of venue to the Elicium Centre of the RAI Congress Centre. It provides a more central location and modern environment at the heart of the RAI Congress Centre. It allows a closer link with the METS trade show that is organized at the same time. New is also the possibility to participate in the Breakfast Briefing on Tuesday morning of the METS trade show. To have a look at the METS trade show is highly recommended. An opportunity to do so is offered on Tuesday afternoon after the symposium closing. What remains the same is that the Organizing Committee is again very content with the interesting program that has been put together by the Scientific Committee. The program covers yacht design and yacht construction in a very broad manner, with topics ranging from sail performance of America s Cup class sailing yachts to the innovative use of materials such glass and innovative bonding techniques in yacht construction. There are papers dealing with the design and onboard systems of super yachts just as well as papers dealing with the design of small craft. The key note will address recent changes in rules and regulations and their impact on the community of yacht designers and builders. Also, we are again very pleased with the participation of such a large number of students. They of course will shape the future, also in the field of yacht design and research. The symposium is intended for the sharing of ideas on yacht design and yacht construction between the professionals but also with students. Not only during the paper presentations, but also in the numerous breaks and the symposium dinner that will be held during the now almost traditional dinner cruise through the Amsterdam canals. Finally, I would like to express our gratitude to our sponsors, Damen Shipyards, Maritime Research Institute Netherlands, Royal Huisman Shipyards, and Feadship, without whom the aims of the symposium, i.e. offering a worthwhile and motivating gathering of interested people from the various branches, research institutes and schools active in this field, would not be possible at an affordable price. Pepijn de Jong Chairman Organizing Committee Scientific Committee 7

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9 SYMPOSIUM PAPERS 9

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