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Topology optimization for finding shell structures manufactured by deep drawing

Abstract

This paper presents a new approach for optimizing shell structures considering their mid surface design including cut-outs. Therefore we introduced a manufacturing constraint to the 3D topology optimization based on the density method in order to receive an optimized structure without undercuts and with a constant wall thickness, so that these structures can be manufactured by deep drawing in one step. It is shown that introducing cut-outs while increasing the shell thickness can improve the performance of shell structures considering their stiffness at a constant mass.

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Dienemann, R., Schumacher, A. & Fiebig, S. Topology optimization for finding shell structures manufactured by deep drawing. Struct Multidisc Optim 56, 473–485 (2017). https://doi.org/10.1007/s00158-017-1661-0

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  • DOI: https://doi.org/10.1007/s00158-017-1661-0

Keywords

  • Topology optimization
  • Sheet metals
  • Deep drawing
  • Manufacturing constraint
  • Thin walled structures