Nonlinear finite element method (FEM) analyses are performed for the simulation of the dynamic stress conditions of tubular segments of a long catenary pipeline, corresponding to a particular steel catenary riser. The tubular segments are discretised with eight-node planar shell-elements. The transient analysis of each segment is accomplished via an implicit time integration scheme. The time-dependent loads and boundary conditions on each segment are primarily derived by the solution of an integrated line dynamics model that relies on a finite differences scheme. The present FEM solution aims at a more detailed depicture of the distribution of dynamic stresses, considering the pipeline as a shell structure instead of using the simplistic “line-dynamics” approach.


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    Titel :

    Dynamics of shell-like tubular segments at the sagbend region of a steel catenary riser



    Erschienen in:

    Erscheinungsdatum :

    2016-11-16


    Format / Umfang :

    14 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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