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The Influence of Uncertain Loading on Topology-Optimized Designs

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  • Philipp Hofer
  • Erich Wehrle
  • Jerzy Baranowski

Abstract

The design of structures using topology optimization can improve the structural performance and save material, in turn reducing costs. Using a framework of large-scale, three-dimensional topology optimization implemented by the authors in an open-source multiphysical software, we investigate the influence of uncertain loading on the optimized design. Direct differentiation is used to reveal the relationship between displacements and applied force, giving an efficient and effective tool to postprocess optimized topologies. The developed methodology for the assessment of the sensitivity with respect to applied forces is explored using two three-dimensional examples: the classic MBB cantilever and a cableway pylon. The advantages and limitations of this method are discussed.

Suggested Citation

  • Philipp Hofer & Erich Wehrle & Jerzy Baranowski, 2022. "The Influence of Uncertain Loading on Topology-Optimized Designs," Mathematical Problems in Engineering, Hindawi, vol. 2022, pages 1-13, March.
    • Handle: RePEc:hin:jnlmpe:6175979
    DOI: 10.1155/2022/6175979
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