Model and mesh generation of cracked tubular Y-joints

Engineering Fracture Mechanics

Volumn 70, Issue 2, 2003, Pages 161-184

  Lie, S T ^a   Lee, C K ^a   Wong, S M ^a  

^a NANYANG TECHNOLOGICAL UNIVERSITY   (Singapore)

Author keywords

Finite element mesh generation; Geometrical modelling; Surface crack; Through thickness crack; Tubular Y joint; Welding details

Indexed keywords

CRACKS; FINITE ELEMENT METHOD; GEOMETRY; JOINTS (STRUCTURAL COMPONENTS); WELDS;

MESH GENERATION;

FRACTURE MECHANICS;

CRACK; FINITE ELEMENT ANALYSIS; OFFSHORE PLATFORM; WELD;

CRACK; FINITE ELEMENT METHOD; OFFSHORE ENGINEERING;

EID: 0037221851     PISSN: 00137944     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0013-7944(02)00036-X     Document Type: Article

References (34)

1. Lee MK, Wilmshurst SR. Numerical modelling of CHS joints with multiplanar double-K Configuration. J Construct Steel Res 1995;32:281-301.
2. Lalani M. Post-yield and post-peak behaviour of tubular joints in offshore structures. Proceedings of the 5th International Symposium on Tubular Structures, Nottingham, UK, 1993. p. 446-54.
3. Lee MMK, Wilmshurst SR. A parametric study of strength of tubular multiplanar KK-joints. J Struct Eng, ASCE 1996;122(8):893-904.
4. Herion S, Mang F, Puthli R. Parametric study on multiplanar K-joints with gap made of circular hollow sections by means of the finite element method. Proceedings of the 6th International Offshore and Polar Engineering Conference, Los Angeles, CA. Vol. IV, 1996. p. 68-73.
5. Haswell JV. A general fracture mechanics model for a cracked tubular joint derived from the results of a finite element parametric study. Proceedings of the 11th Offshore Mechanics and Arctic Engineering Conference, ASME, Calgary, Canada, Vol. Ill-B, 1992 p. 267 74.
6. Cao JJ, Yang GJ, Packer JA, Burdekin FM. Crack modelling in FE analysis of circular tubular joints. Eng Fract Mech 1998:61:537-53.
7. PATRAN. User manual, PDA Engineering, 1993.
8. FEMGEN. User manual, Femsys Limited. 1991.
9. ANSYS. User manual, Swanson Analysis System Inc., 1995.
10. ABAQUS/PRE. User Manual, Hibbit Karlson and Sorensen Inc., USA, 1997.
11. I-DEAS. Master Series 5 User manual, SDRC, Ohio, 1997.
12. PRETUBE, User manual. Veritas Sesam System, Det Norske Veritas (DNV) industry Ltd., HOvik, Norway, 1991.
13. Lee MMK. Strength, stress and fracture analyses of offshore tubular joints using finite elements. J Construct Steel Res 1999;51:265-86.
14. Bowness D, Lee MMK. The development of an accurate model for the fatigue assessment of doubly curved cracks in tubular joints. Int J Fract 1995;73:12947.
15. Cao J, Yang G, Packer JA. FE mesh generation for circularjoints with or without cracks. The Proceeding of the 7th International Offshore and Polar Engineering Conference, USA, Vol. IV, 1997. p. 98-105.
16. Wilmshurst SR, Lee MMK. Ultimate capacity of axially loaded multiplanar double K-joints in circular hollow sections. Proceedings of the 5th International Symposium on Tubular Structures, Nottingham, UK, 1993. p. 712-9.
17. Healy BE, Buitrago J. Extrapolation procedures for determining SCFs in mid-surface tubuiarjoint models. Conference of Tubular Structures VI, 1994. p. 651-9.
18. PMBSHELL. User Manual: A Special purpose finite element program for stress analysis of tubularjoints, Chang TYP, 1992.
19. American Welding Society. ANSI/AWS DLI-96 Structural Welding Code-Steel, Miami, USA, 1996.
20. American Petroleum Institute. Recommended Practice for Planning, Designing and Constructing Fixed Offshore Platforms. API RP2A, 20th ed., 1993.
21. Suen DS, Wu JH. Computer-aided design of welded tubular connections. The Proceeding of the 3rd International Offshore and Polar Engineering Conference, Singapore, vol. IV, 1993. p. 393-400.
22. Lee MMK, Dexter EM, Kirkwood MG. Strength of moment-loaded tubular T/Y-joints in offshore platforms. Struct Eng 1995;73(15):239-46.
23. Healy BE. A numerical investigation into the capacity of overlapped circular K-joints. Proceeding of 6th International Symposium on Tubular Structures, Melbourne, Australia, 1994. p. 563-71.
24. Wong SM. Model and mesh generation of cracked Y-tubular joints for SIF and SCIF Studies, Master Thesis, School of Civil and Structural Engineering. Nanyang Technological University. Singapore, July 2000.
25. Newman JC, Raju JS. An empirical stress intensity factor equation for the surface crack. Eng Fract Mech 1981;15:185-92.
26. Thurlbeck SD, Burdekin FM. Constant and variable amplitude LEFM fatigue assessment for tubular joints incorporating threshold effects. Proceeding of the 11th International Conference on Offshore Mechanics and Arctic Engineering, Calgary, Canada, 1992. p. 285-98.
27. Dijkstra OD, Snijder HH, Van Straalen U. Prediction of fatigue crack growth for welded joints using stress intensity factors determined by FEM calculations. Proceedings of the 8th International Conference on Offshore Mechanics and Arctic Engineering, The Hague, 1989. p. 137-43.
28. Fu B, Haswell JV, Bettess P. Weld magnification factors for semi-elliptical surface cracks in fillet welded T-butt joint models. Int J Fract 1993;63:155-71.
29. Dijkstra OD, Noordhooek C. The effect of grinding and a special weld profile on the fatigue behaviour of large-scale tubular joints. Offshore Technol Conference, OTC 1985;4866:229-35.
30. Barsoum RS. On the use of isoparametric finite elements in linear fracture mechanics. Int J Numer Meth Eng 1976;10,:25-37.
31. Pu SL, Hussain MA, Lorensen WE. The collapsed cubic isoparametric element as a singular element for crack problem J Numer Meth Eng 1978;12:1727-42.
32. Saouma VE, Schwernmer D. Numerical evaluation of the quarter-point crack tip element. Int J Numer Meth Eng 1984;20:1629-41.
33. Barsoum RS. Triangle quarter-point elements as elastic and perfectly-plastic crack tip elements. Int I Numer Meth Eng 1977; 11:85-99.
34. Lee CK, Wong SM, Lie ST. On increasing the order and density of 3D finite element meshes. Common Numer Meth Eng 2001;17:55-68.