A method is presented for the minimum mass design of three-dimensional space frames constructed of thin-walled rectangular cross-sectional members. Constraints on nodal displacements and rotations, material stress, local buckling, and cross-sectional dimensions are included. A high-quality separable approximate problem is formed in terms of the reciprocals of the four section properties of the frame element cross section, replacing all implicit functions with simplified explicit relations. The cross-sectional dimensions are efficiently calculated without using multilevel techniques. Several test problems are solved, demonstrating that a series of approximate problem solutions converge rapidly to an optimal design.


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    Titel :

    Approximations method for space frame synthesis


    Weitere Titelangaben:

    Naeherungsverfahren fuer die rechnerische Synthese von Weltraum-Rahmenstrukturen


    Beteiligte:
    Mills-Curran, W.C. (Autor:in) / Lust, R.V. (Autor:in) / Schmit, L.A. (Autor:in)

    Erschienen in:

    AIAA Journal ; 21 , 11 ; 1571-1580


    Erscheinungsdatum :

    1983


    Format / Umfang :

    10 Seiten, 11 Bilder, 4 Tabellen, 13 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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