2015
DOI: 10.1016/j.tws.2015.02.011
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Stress concentration factors induced by out-of-plane bending loads in ring-stiffened tubular KT-joints of jacket structures

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Cited by 66 publications
(12 citation statements)
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“…Good correlation with FEM results was found. Ahmadi and Zavvar [343] used the geometrically parametric study followed by the nonlinear regression analysis to develop a new set of formulas for the stress concentration factors (SCFs) for the fatigue design of ring-stiffened KT-joints under the out-of-plane bending loadings. The numerical data was extracted from the FE analysis of 118 models, which were validated against the test results obtained from an experimental study.…”
Section: Tubular Jointsmentioning
confidence: 99%
“…Good correlation with FEM results was found. Ahmadi and Zavvar [343] used the geometrically parametric study followed by the nonlinear regression analysis to develop a new set of formulas for the stress concentration factors (SCFs) for the fatigue design of ring-stiffened KT-joints under the out-of-plane bending loadings. The numerical data was extracted from the FE analysis of 118 models, which were validated against the test results obtained from an experimental study.…”
Section: Tubular Jointsmentioning
confidence: 99%
“…Minimal pipe thickness may require tight tolerances and can cause welding issues, which is not recommended. Based on these practical considerations, the typical range for CHS joints is used and is shown in Table 2 9,23–26 …”
Section: Methodsmentioning
confidence: 99%
“…Based on these practical considerations, the typical range for CHS joints is used and is shown in Table 2. 9,[23][24][25][26] All possible design configurations were generated solely based on dimensional parameters, D,d, T, t, ϴ, and g, assuming 10 possible values for each variable. These six sets were used to derive all possible designs (10 6 ¼ 1000000).…”
Section: Range Of Design Variablesmentioning
confidence: 99%
“…Modeling the weld as a solid elements also give significant result than neglecting the weld profile [6]. A study conducted by Ahmadi and Zavvar [16] also clarified that the inclusion of weld models can enhance stiffness in the hot spot region, consequently lowering the SCF. Based on the studies mentioned, this study also incorporates weld model into the analysis of tubular joints.…”
Section: Fe Modellingmentioning
confidence: 99%