Stress-based topology optimization for continua

Structural and Multidisciplinary Optimization - Tập 41 - Trang 605-620 - 2009
Chau Le1, Julian Norato2, Tyler Bruns2, Christopher Ha2, Daniel Tortorelli1
1University of Illinois at Urbana–Champaign, Champaign–Urbana, USA
2Champaign Simulation Center, Caterpillar Inc., Champaign, USA

Tóm tắt

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.

Tài liệu tham khảo

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