Stress concentration factors for tubular joints were computed using solid quadratic elements. The results of the computations are compared with experiments reported in the literature and with expressions reported in the literature and in design codes. An influence of element size and element type was observed, which leads to recommendations regarding element size of four quadratic elements in thickness, which is finer than in different published recommendations. A parametric study was performed, showing that stress concentration factors from the literature are not always conservative, particularly at the crown toe of the chord, while they tend to be overconservative at the chord saddle. The stress concentration factor for the inside of the member was also computed; it is found that it can be close to the stress concentration factor at the weld toe for both the in plane or out of plane bending modes.
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ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering
June 9–14, 2013
Nantes, France
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-5533-1
PROCEEDINGS PAPER
Computation of Stress Concentration Factors for Tubular Joints Available to Purchase
Steven Cooreman
Steven Cooreman
OCAS NV, Gent, Belgium
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Philippe Thibaux
OCAS NV, Gent, Belgium
Steven Cooreman
OCAS NV, Gent, Belgium
Paper No:
OMAE2013-10934, V02BT02A011; 10 pages
Published Online:
November 26, 2013
Citation
Thibaux, P, & Cooreman, S. "Computation of Stress Concentration Factors for Tubular Joints." Proceedings of the ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. Volume 2B: Structures, Safety and Reliability. Nantes, France. June 9–14, 2013. V02BT02A011. ASME. https://doi.org/10.1115/OMAE2013-10934
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