Structural and Multidisciplinary Optimization

, Volume 41, Issue 4, pp 605–620 | Cite as

Stress-based topology optimization for continua

  • Chau Le
  • Julian Norato
  • Tyler Bruns
  • Christopher Ha
  • Daniel Tortorelli
Research Paper

Abstract

We propose an effective algorithm to resolve the stress-constrained topology optimization problem. Our procedure combines a density filter for length scale control, the solid isotropic material with penalization (SIMP) to generate black-and-white designs, a SIMP-motivated stress definition to resolve the stress singularity phenomenon, and a global/regional stress measure combined with an adaptive normalization scheme to control the local stress level.

Keywords

Topology optimization Stress constraints Regional stress measure Normalization 

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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  • Chau Le
    • 1
  • Julian Norato
    • 2
  • Tyler Bruns
    • 2
  • Christopher Ha
    • 2
  • Daniel Tortorelli
    • 1
  1. 1.University of Illinois at Urbana–ChampaignChampaign–UrbanaUSA
  2. 2.Champaign Simulation CenterCaterpillar Inc.ChampaignUSA

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