Efthymiou’s equations
WebThe hot spot stresses in one of the most critical joints are determined and compared to stresses obtained with the Efthymiou equations. The shortcomings of these equations are highlighted and it ... WebApr 16, 2024 · The hot spot stresses in one of the most critical joints are determined and compared to stresses obtained with the Efthymiou equations. The shortcomings of these equations are highlighted and it is shown how the numerical framework can be used to improve the current fatigue design philosophy for offshore jackets which relies on the …
Efthymiou’s equations
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WebSubsequent equations by Wordsworth and Smedley (6,7) using acrylic modelspecimens and by Efthymiou and Durkin (8,9) employing 3-D shell FE analyses,have made considerable advances both in the accuracy of parametric equations and inthe range of … WebCostas Efthimiou Associate Professor Email Phone Office PSB 131 E-mail [email protected] Phone 407-823-2325 Biography Dr. Efthimiou received his …
WebStress concentration factors for simple tubular joints ... - HSE . Stress concentration factors for simple tubular joints ... WebNov 1, 2014 · E.lozano-Minguez and coworkers [21] studied the stress concentration factor, comparing the result of FE method with that of Efthymiou equation, it is concluded that the existing parameter ...
WebApr 18, 2024 · EFR SCFs should be based on EFTHYMIOU formulas plus reduction factors as specified in REPORT OTO 1999 022 "Fatigue Life Implications for Design and Inspection for Single Sided Welds at Tubular … WebThe Efthymiou equations can be used within the limits of following parameters. Lower Limit Parameter Upper Limit α is defined as the chord length parameter = L/2D 4 α 40 in which L is the distance 0.2 β 1.0 between points of contra flexure of chord members 8 γ 32 in the adjacent span. This is normally taken as the
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WebEfthymiou [28] published a set of parametric equations for prediction of SCFs of T/Y, X, K and KT joints based on the maximum principal stress rather than the stress perpendicular to the weld toe. These equations were developed using the influence functions to predict the SCF of K, KT, and multi-planar joints in terms of simple T joint with ... rocket wash ncWeb1 equations, presented by the author fn BOSS '85, for eatinacing stress coneencration factors (SCF) in T, ¥, Kejoines, have been extenied to cover K and Ki-joints and subsaquently usel ab 2 basis for deriving … other address books in outlookWebIn 2002 Efthymiou was named as Offshore Pioneer by the Offshore Energy Centre, Houston, USA for his pioneering contributions to the offshore industry – safety and reliability. Lead Structural Engineer for … other address indian passportWebEfthymious (1988) SCF equations are included as part of the RP2A Edition 22. These are based on maximum principal stress, rather than strain normal to the weld toe, and are some 15% to 20% more conservative than the alpha (ovalizing) Kellogg formulas recommended in RP2A editions 11 through 21. other additions aaaWebJul 28, 2024 · Two parametric equations do exist to estimate the chord saddle SCFs of DT joints, namely, Wordsworth/Smedley (1) and Efthymiou (2). (1) (2) where , and ; t brace wall thickness; T chord wall thickness; d brace outside diameter; D chord outside diameter; is the angle between the brace and the chord. rocket wash midvaleWebThe hot spot stresses in one of the most critical joints are determined and compared to stresses obtained with the Efthymiou equations. The shortcomings of these equations are highlighted and it is shown how the numerical framework can be used to improve the current fatigue design philosophy for offshore jackets which relies on the Efthymiou ... rocket wash 421WebStress concentration factors for simple tubular joints ... - HSE . Stress concentration factors for simple tubular joints ... other address details