A quasi-static analysis is presented in this paper for in-service pressurised pipelines subjected to an external impact. Based on the assumed simple rigid, perfectly plastic deformation model, a simple relationship is obtained between the external denting force F and the maximum dent depth delta0. Results from the theoretical analysis are in reasonable agreement with results from finite element analyses. These show that the pressure p=pin-pout has a large influence on the pipe resistance to the indentation, where pin and pout are the internal and external pressure, respectively. For the same dent depth, a higher external denting force is required for pipes with higher pressure, p. The difference of the required force between a lowly pressurised pipe and a highly pressurised pipe increases with increasing denting depth.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Theoretical analysis of local indentation on pressured pipes


    Beteiligte:
    Liu, Jian-Hui (Autor:in) / Francis, A. (Autor:in)


    Erscheinungsdatum :

    2004


    Format / Umfang :

    9 Seiten, 7 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





    Modeling of Pressured Ice Interaction with Ships

    Kubat, I. / Sayed, M. / Collins, A. | British Library Conference Proceedings | 2010


    Theoretical analysis of local indentation by the wedge indenter for pressurised pipeline

    Wang, Yi / Peng, Chao / Ye, Mao et al. | Taylor & Francis Verlag | 2023


    How do time pressured drivers estimate speed and time?

    Cœugnet, Stéphanie / Miller, Holly / Anceaux, Françoise et al. | Elsevier | 2013


    Computational Analysis of Flow Phenomena in a Back-Pressured Supersonic Isolator

    Hagenmaier, Mark A. / Hassan, Ezeldin A. | AIAA | 2016