It is well recognized that additive manufacturing (AM) and topology optimization strongly complement each other in that the complex designs created through the latter can directly be fabricated through AM. As AM expands into multi-material fabrication, there is a natural need for efficient multi-material topology optimization (MMTO) methods, where one must simultaneously optimize the topology, and the distribution of various materials, within the topology. In this paper we generalize the single-material Pareto tracing method of topology optimization to multiple materials, and discuss its implementation using assembly-free finite element analysis, and first-order element-sensitivity. The validity of this method is confirmed through benchmark and case-studies in 3D.


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    Titel :

    Multi-Material Topology Optimization for Additive Manufacturing




    Erscheinungsdatum :

    2015




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch



    Klassifikation :

    BKL:    50.15 Konstruktionslehre / 52.15 Maschinenelemente, Maschinenbaugruppen / 52.20 Antriebstechnik, Getriebelehre
    Lokalklassifikation TIB:    770/5315/5330




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