Toward the topology design of mechanisms that exhibit snap-through behavior

T. E. Burns, Ole Sigmund

    Research output: Contribution to journalJournal articleResearchpeer-review


    Topology optimization has proven to be a powerful method for the conceptual design of structures and mechanisms. In previously published work, we concentrated on the development of numerical methods that accommodate the finite deformation and incorporated these analyses into the topology optimization. We demonstrated by relatively straightforward transversely loaded clamped-clamped beam examples that topology optimization can be used to design structures that experience snap-through behavior. Here, we focus our attention on the design problem formulation where the goal is to develop a general approach for the design of mechanisms that experience more complex snap-through behavior. A multiphase design strategy is outlined, numerous significant challenges to this complex design process are discussed, and several examples are presented that demonstrate progress toward this goal. (C) 2004 Elsevier B.V. All rights reserved.
    Original languageEnglish
    JournalComputer Methods in Applied Mechanics and Engineering
    Issue number36-38
    Pages (from-to)3973-4000
    Publication statusPublished - 2004


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