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TECHNICAL PAPERS

Assessment of Geometry Correction Functions of Tanker Knuckle Details Based on Fatigue Tests and Finite-Element Analysis

[+] Author and Article Information
Y. Garbatov, S. Rudan, C. Guedes Soares

Unit of Marine Technology and Engineering, Technical University of Lisbon, Instituto Superior Técnico, Av. Rovisco Pais, 1049-001 Lisboa, Portugal

J. Offshore Mech. Arct. Eng 126(3), 220-226 (Jul 23, 2003) (7 pages) doi:10.1115/1.1782643 History: Received February 10, 2003; Revised July 23, 2003
Copyright © 2004 by ASME
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References

Kozljakov, V. V., 1992, “An Analysis of Structural Peculiarities and Causes of Severe Hull Damages of Bulk Carriers,” Tankers and Ro-Ro Ship, International Congress on Tanker and Bulk Carriers the Way Ahead, London, RINA.
Fricke, W., and Petershagen, H., 1992, “Detail Design of Welded Ship Structures Based on Hot-Spot Stresses,” Proceedings of the Practical Design of Ships and Mobile Units, J. B. Caldwell and G. Ward, 2 , Elsevier Science Limited, pp. 1087–100.
Yonkeya, T., and Kumano, A., 1993, “Hull Cracking of Very Large Ship Structures,” Proceedings of the 4th International Symposium on Integrity of Offshore Structures, Glasgow.
Bureau Veritas, 1996, “Fatigue Strength of Welded Ship Structures,” NI393 DSM ROIE, Paris, France.
Det norske Veritas, 1998, “Fatigue Assessment of Ships Structures,” Classification Notes, Hovik, Norway.
Germanischer Lloyd, 1998, “GL-Technology,” Fatigue Strength of Ship Structures, I and II.
Matoba, M., and Kawasani, M., 1983, “Evaluation of Fatigue Strength of Welded Steel Structures-Hull Members,” Hollow Section Joints, Piping and Vessel Joints, IIW-XIII-1082-83.
Almar-Naess, A., 1985, “Fatigue Handbook,” Offshore Steel Structures, Norway, Tapir.
Yuasa, M., and Watanabe, T., 1999, “Fatigue Strength of Bilge Knuckle Structure,” NK Technical Bulletin, pp. 17–32.
Guedes Soares, C., Garbatov, Y., and von Selle, H., 2002, “Fatigue Damage Assessment of Ship Structures Based on the Long-Term Distribution of Local Stresses,” accepted for publication in International Shipbuilding Progress.
Janssen, G. T. M., 2000, “Fatigue Based Design Rules for the Application of High Tensile Steel in Ships,” Proceedings of the Seventh International Marine Design Conference, Kyongju, Korea, pp. 317–28.
Garbatov, Y., Rudan, S., and Guedes Soares, C., 2000, “Fatigue Strength Assessment of Ship Knuckle Details,” Proceedings of the 13th Congress on International Maritime Association of Mediterranean (IMAM’00), 2 , pp. 103–10.
Rudan, S., Garbatov, Y., and Guedes Soares, C., 2000, “Finite Element Study of Stress Concentration Factors in Ship Knuckle Details,” Proceedings of the 3rd International Congress of Croatian Society of Mechanics, Cavtat, Croatia, pp. 367–74.
International Institute of Welding, 1993, “Stress Determination for Fatigue Analysis of Weld Components,” E. Niemi (Ed), Abington Publishing, UK.
Det norske Veritas, 1998, “SESAM-User Manual,” Hovik, Norway.
Garbatov, Y., Pertov, H., and Guedes Soares, C., 2001, “Fatigue Assessment of the Windows Corner Structure of a Passenger Ship,” Proceedings of the 3rd International Conference on Marine Industry (MARIND’01), II , pp. 95–107.
Paris,  P., and Erdogan,  F., 1963, “A Critical Analysis of Crack Propagation Laws,” J. Basic Eng., 85, pp. 528–34.

Figures

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C2.1 specimen crack locations
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C2.2 specimen crack locations
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Locations of the high stress areas on C2 models
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Measured crack propagation through diagonal plate, specimen C2.1
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Measured crack propagation through diagonal plate and but weld, specimen C2.2
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Scatter diagram of FF, specimen C2.1
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Scatter diagram of FF for cracks B and C, specimen C2.2
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Scatter diagram of FF for cracks J and G, specimen C2.2
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Crack growth, C2.1 specimen
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Crack growth through diagonal plate, specimen C2.2
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Crack growth through weld, specimen C2.2

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