The paper describes a new 3D method, developed taking into account the relative contraction of melt weld metal between two states at the end of heating and cooling phases, for evaluating the welding effects on structural assemblies of thin stiffened panels in decks and bulkheads in shipbuilding. A thermo-mechanical model so being built up can be treated by the conventional finite-element method. Two successive stages of the study are then presented with experimental results of 2D and 3D applications on several thin panels. Finally, the paper presents two industrial application cases of the method and, as a conclusion, the multipurpose usefulness of this method to control and prevent any excessive distortion by buckling in thin panels under welding effects, from Design to Fabrication stages of any new shipbuilding project: to determine the main parameters of the panel such as length, breadth and thickness (at design stage), to choose the appropriate parameters of the welding process such as energy, weld joint section, welding speed (at fabrication stage), to minimize the additional cost of straightening (at fabrication stage).


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    Title :

    A simple method for evaluating the 3D welding effects on thin stiffened panel assemblies in shipbuilding


    Additional title:

    Einfache Methode für die Bewertung der dreidimensionalen Wirkung des Schweißens auf dünne versteifte Blechkonstruktionen im Schiffbau


    Contributors:
    Chau, T.T. (author) / Paradis, A. (author) / Masson, J.C. (author)


    Publication date :

    2000


    Size :

    46 Seiten, 46 Bilder, 11 Tabellen, 18 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    A simple method for evaluating the 3D welding effects on thin stiffened panel assemblies in shipbuilding

    Chau, T. T. / Paradis, A. / Masson, J. C. | British Library Conference Proceedings | 1999


    About the welding effects on thin stiffened panel assemblies in shipbuilding

    Chau, T. T. / Jancart, F. / Bechepay, G. et al. | British Library Conference Proceedings | 2001


    Welding in shipbuilding

    Arnott, D. | Engineering Index Backfile | 1941


    Welding in shipbuilding

    Wall, A.T. | Engineering Index Backfile | 1932


    Shipbuilding by welding

    Hunter, N.M. / Townshend, H.W. | Engineering Index Backfile | 1935