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Parametric equations for distributions of stress concentration factors in tubular K-joints under out-of-plane moment loading
An extensive parametric study, using finite elements, of the stress concentration factors in tubular K-joints commonly found in offshore platforms is presented. This study covers a comprehensive range of geometric joint parameters for unbalanced out-of-plane moment loading. The results of the study were used to assess the widely used parametric equations of Efthymiou and Lloyds Register, which provide predictions of stress concentration factors at the saddle on the outer surfaces of the chord and the brace as a function of the joint geometric ratios. The database of thin shell finite element results generated was then used to develop parametric equations for predicting stress concentration factors at key locations around the joint interaction on the outer, as well as the inner, surfaces of the chord.
Parametric equations for distributions of stress concentration factors in tubular K-joints under out-of-plane moment loading
An extensive parametric study, using finite elements, of the stress concentration factors in tubular K-joints commonly found in offshore platforms is presented. This study covers a comprehensive range of geometric joint parameters for unbalanced out-of-plane moment loading. The results of the study were used to assess the widely used parametric equations of Efthymiou and Lloyds Register, which provide predictions of stress concentration factors at the saddle on the outer surfaces of the chord and the brace as a function of the joint geometric ratios. The database of thin shell finite element results generated was then used to develop parametric equations for predicting stress concentration factors at key locations around the joint interaction on the outer, as well as the inner, surfaces of the chord.
Parametric equations for distributions of stress concentration factors in tubular K-joints under out-of-plane moment loading
Morgan, M.R. (Autor:in) / Lee, M.M.K. (Autor:in)
International Journal of Fatigue ; 20 ; 449-461
1998
13 Seiten, 21 Quellen
Aufsatz (Zeitschrift)
Englisch
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Stress Concentration Factors in Tubular K-Joints under In-Plane Moment Loading
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Stress Concentration Factors in Tubular K-Joints under In-Plane Moment Loading
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Prediction of stress concentration factors in in-plane moment loaded tubular K-joints
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