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Keywords: stress concentration factor
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Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-503
... Control Strategy of Stress Concentration Factors for Five-planar Tubular Y-joints under Axial Force Shiliu Bao1, Bin Wang2, Yong Shi3, Kanmin Shen2, Xin Li1 1State Key Laboratory of Coastal and Offshore Engineering Department, Dalian University of Technology Dalian, China 2Powerchina Huadong...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-214
... force capacity and fatigue performance due to its complex joint form and large sizes, which also make the empirical formulas recommended in DNV rules or other specifications no longer apply when calculating the joint stress concentration factors (SCFs). Based on above-mentioned, this paper focuses on...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-331
... substructure is selected to study the influence of torque loading on fatigue life. The study mainly focuses on three levels as follows: component internal stress analysis, the stress concentration factor (SCF) and the fatigue damage of OWT. INTRODUCTION With the continuous adjustment of worldwide energy...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-831
... of the method developed. The effects of the return period of the potential severest sea state, radius of crack-stopping hole, and environmental severity factor on the reliability not to initiate a new crack at crack-stopping holes were investigated. stress concentration factor severe sea...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-553
... investigated. The results presented here form part of extensive numerical investigations (Herion et al, 2013). recommendation stress concentration factor zhao hollow section scf numerical investigation iso 14347 structural stress formulae brace cidect investigation different configuration...
Proceedings Papers

Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-541
... CIDECT Design Guide 8 and on a publication of Herion and Mang (1996). van wingerde structural stress brace investigation wingerde determination thickness cidect design guide 8 herion stress concentration factor mang hollow section zhao chord weld recommendation formulae cidect...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-298
... process and the stress concentration factors due to the weld geometry). Nevertheless, the currently available procedures for Engineering Critical Assessment of imperfections in fatigue, limit their analysis to the crack propagation stage. The fatigue life of a flawed component is, indeed, conservatively...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-582
... determining stress intensity factor (SIF) and stress concentration factor (SCF) at the circumferential welds given bending moments are reviewed and summarized. This paper also proposes a new modification factor for Paris law, as well as a Beta distribution for characterizing the hot-spot stress range caused...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-479
.... KEY WORDS T-tubular joint; stress concentration factor; finite element analysis; fatigue testing; low cycle fatigue; fatigue design. INTRODUCTION During the operational life time of offshore structures, waves represent the main fatigue loading. Consequently fatigue damage is mostly caused by cyclic...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-388
... structures in a ship are exposed to fatigue failure due to various cyclic loads such as hydrodynamic force and propeller force. flat position weld specimen weld bead welding position cast steel fatigue strength fatigue test weld heat input weld joint stress concentration factor steel metals...
Proceedings Papers

Paper presented at the The Fifteenth International Offshore and Polar Engineering Conference, June 19–24, 2005
Paper Number: ISOPE-I-05-215
... stress concentration in the sand pile which is stiffer than the surrounding cohesive or loose cohesionless soil. The distribution of vertical stress within the unit cell can be expressed by a stress concentration factor, n , defined as : c sn = (5) where s is the stress in the sand pile, and c is...
Proceedings Papers

Paper presented at the The Fourteenth International Offshore and Polar Engineering Conference, May 23–28, 2004
Paper Number: ISOPE-I-04-443
... helical wire stress concentration stress concentration factor endurance strength knapp cable effective stress fatigue model cyclical tension wire tension equation wire slip equivalent notch sheaf Tension and Bending Fatigue Modeling of Cables R.H.Knapp University of Hawaii at Manoa, HI...
Proceedings Papers

Paper presented at the The Fourteenth International Offshore and Polar Engineering Conference, May 23–28, 2004
Paper Number: ISOPE-I-04-453
... and notch. In addition, the effect of stress concentration and fatigue notch factor on fatigue behavior was investigated for nitempered SACM 645 steel with five kinds of notch shape. stress concentration factor steel nitrided specimen nitrided layer mechanical property mpa fatigue test...
Proceedings Papers

Paper presented at the The Twelfth International Offshore and Polar Engineering Conference, May 26–31, 2002
Paper Number: ISOPE-I-02-449
... fatigue behavior. steel plate conventional steel base metal test result carbon equivalent specimen steel tmcp steel fatigue strength stress concentration factor fatigue test growth rate haz thickness naval architect conventionally metals & mining welding Fatigue Strength of...
Proceedings Papers

Paper presented at the The Eleventh International Offshore and Polar Engineering Conference, June 17–22, 2001
Paper Number: ISOPE-I-01-348
... gauge procedure determination strain concentration investigation stress concentration factor classification test specimen fatigue loading design recommendation fatigue test concentration hollow section line 4 loading steel grade specimen scf evaluation ABSTRACT In the...
Proceedings Papers

Paper presented at the The Eleventh International Offshore and Polar Engineering Conference, June 17–22, 2001
Paper Number: ISOPE-I-01-352
... ABSTRACT Fatigue damage in shipsides has been investigated for several decades. As a part of the FPSO Fatigue Capacity Joint Industry Project, stress concentration factors in longitudinals connected to transverse webframes are assessed. As FPSOs are operating between a ballast draft and a...
Proceedings Papers

Paper presented at the The Tenth International Offshore and Polar Engineering Conference, May 28–June 2, 2000
Paper Number: ISOPE-I-00-189
... suggested. The results indicated that the settlement of the treated foundation should be reduced to about 70 percent and the bearing capacity should be increased to about 60 percent comparing with the treatment. Due to the non-homogeneity of refuse landfill, stress concentration factors were distributed in...
Proceedings Papers

Paper presented at the The Ninth International Offshore and Polar Engineering Conference, May 30–June 4, 1999
Paper Number: ISOPE-I-99-103
... program are used in a more comprehensive rainflow stress-cycle counting method based on Wirsching's algorithm. The selection of the design SN curve, along with the calculation of representative stress concentration factors, is discussed, and a revised thickness effect correction to the design SN curve is...
Proceedings Papers

Paper presented at the The Eighth International Offshore and Polar Engineering Conference, May 24–29, 1998
Paper Number: ISOPE-I-98-346
... A method for evaluation of allowable stress concentration factors (SCFs) and hence the local geometry of structural details subject to complex loading is developed to meet a specified target fatigue life. The method is based on the local strain approach to fatigue, and takes into account the...
Proceedings Papers

Paper presented at the The Sixth International Offshore and Polar Engineering Conference, May 26–31, 1996
Paper Number: ISOPE-I-96-246
... well as many others are being re-evaluated. In light of the research on fatigue of welded connections and the different provisions of many European design practices, major changes can be expected from the current ones in API RP 2A. Areas covered include the choice of stress concentration factor; the...

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