A Robust Structural Stress Method for Fatigue Analysis of Offshore/Marine Structures

[+] Author and Article Information
P. Dong

Center for Welded Structures Research, Battelle, Columbus, OH 43016-2693e-mail: dongp@battelle.org

J. Offshore Mech. Arct. Eng 127(1), 68-74 (Mar 23, 2005) (7 pages) doi:10.1115/1.1854698 History: Received March 21, 2004; Revised May 23, 2004; Online March 23, 2005
Copyright © 2005 by ASME
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Fricke W., 2001, “Recommended Hot-Spot Analysis Procedure for Structural Details of FPSO’s and Ships Based on Round-Robin FE Analysis,” ISOPE Proceedings, Stavanger, Norway, June.
Dong, P., Hong, J. K., Cao, Z., 2000, “A Mesh-Insensitive Structural Stress Procedure for Fatigue Evaluation of Welded Structures,” International Institute of Welding, IIW Doc. XIII-1902-01/XV-1089-01, July.
Dong,  P., 2001, “A Structural Stress Definition and Numerical Implementation for Fatigue Evaluation of Welded Joints,” Int. J. Fatigue, 23/10, pp. 865–876.
Dong, P. and Hong, J. K., 2002, “A Structural Stress Based Master S-N Curve Approach for Welded Joints,” 55th International Institute of Welding (IIW) Annual Assembly, Document No. IIW Doc. XIII-1930-02/XV-1119-02, Copenhagen, Denmark, June 23–27.
Dong, P., Hong, J. K, Osage, D., and Prager, M., “Assessment of ASME’s FSRF Rules for Pipe and Vessel Welds Using A New Structural Stress Method,” Welding In the World, Vol. 47 , No. 1/2, 2003, pp. 31–43.
Dong, P., Hong, J. K., Osage, D., Prager, M., 2002, “Master S-N Curve Method for Fatigue Evaluation of Welded Components,” WRC Bulletin, No. 474, August.
Healy, B, “A Case Study Comparison of Surface Extrapolation and Baltelle Structural Stress Methodologies,” Paper No. OMAE 2004-51228, Proceedings of the 23rd OMAE International Conference, Vancouver, Canada, June 2004.
Dong,  P., Hong,  J. K., and Cao,  Z., 2003, “Stress and Stress Intensities at Notches: ‘Anomalous Short Crack Growth’ Revisited,” Int. J. Fatigue 25, pp. 811–825.
Zerbst,  U., Heerens,  J., and Schwalbe,  K.-H., 2002, “The fracture behavior of a welded tubular joint—an ESIS TC1.3 round-robin on failure assessment methods Part I: experimental data base and brief summary of the results,” Eng. Fract. Mech., 69, pp. 1093–1100.
Dong, P. and Hong, J. K., 2002, “Analysis of Hot Spot Stress and Alternative Structural Stress Methods,” Paper No. OMAE 2003-37315, Proceedings of the 22nd OMAE International Conference, June 8–13, Cancun, Mexico.
Connolly,  M. P., Helier,  A. K., and Sutomo,  J., 1990, “A parametric study of the ratio of bending to membrane stress in tubular Y- and T-joints,” Int. J. Fatigue, 12, No. 1, pp. 3–11.
Kim, W. S., Kim, D. H., Lee, S. G., and Lee, Y. K., “Fatigue strength of load-carrying box fillet weldment in ship structures,” Proc. of 8th International Symposium on Practical Design of Ships and Other Floating Structures (PRADS 2001), Shanghai, China.
Hobbacher, A., “Fatigue Design of Welded Joints and Components,” Recommendations of IIW Joint Working Group XIII-XV, Abington Publishing, Abington, Cambridge, 1996.


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Through-thickness structural stresses definition: (a) Local stresses from FE model; (b) structural stress or far-field stress; (c) self-equilibrating stress and structural stress based estimation with respect to t1 (dashed lines)
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Robust structural stress calculation procedures for curved weld with distorted mesh using shell/plate element models
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Comparison of the structural stress results using the proposed method for a cover plate fillet weld: (a) Shell element model, (b) A 2D cross-section showing weld representation; (c) Comparison of structural stress results at weld toe with different element sizes and types
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Validation of mesh-size insensitivity in the structural stress calculations using the present procedures for a doubling-plate fillet joint investigated by Fricke 1
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Structural stress calculations for a tubular T joint used by Zerbst et al. 9: (a) T-joint geometry and loading conditions; (b) Four FE models with different element sizes; (c) Comparison of the current structural stress results along weld toe at chord
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Comparison of FEA surface stress distributions predicted by various modeling procedures and extrapolation based hot stress SCF predicted at the weld toe on attachment plate 1
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Generalized procedure for implementing virtual node method (E1, E2,[[ellipsis]], represent element numbers at weld toe)
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Mesh-size insensitivity demonstration for an edge detail investigated in 112: (a) FE models with drastically different element sizes; (b) comparison of structural stress distributions along weld toe on attachment plate
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Structural stress results using virtual node method—a RHS T-Joint
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Correlation of a large amount of existing weld S-N data from literature 6 using the proposed equivalent structural stress parameter in Eq. (4): (a) Nominal stress range versus N; (b) Equivalent structural stress range versus N



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