Topology synthesis of large-displacement compliant mechanisms

Claus B. Wittendorf Pedersen, Thomas Buhl, Ole Sigmund

Research output: Contribution to journalJournal articleResearchpeer-review


This paper describes the use of topology optimization as a synthesis tool for the design of large-displacement compliant mechanisms. An objective function for the synthesis of large-displacement mechanisms is proposed together with a formulation for synthesis of path-generating compliant mechanisms. The responses of the compliant mechanisms are modelled using a total Lagrangian finite element formulation, the sensitivity analysis is performed using the adjoint method and the optimization problem is solved using the method of moving asymptotes. Procedures to circumvent some numerical problems are discussed. Copyright (C) 2001 John Wiley & Sons, Ltd.
Original languageEnglish
JournalInternational Journal for Numerical Methods in Engineering
Issue number12
Pages (from-to)2683-2706
Publication statusPublished - 2001


  • Topology optimization
  • Non-linear FE
  • Compliant mechanisms


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