Multi-constrained topology optimization using constant criterion surface algorithm

• Autorzy: Mrzygłód M.
• Języki publikacji: EN

Abstrakty

EN

This paper sets out to describe a multi-constrained approach to topology optimization of structures. In the optimization, a constant criterion surface algorithm and the multi-constraint procedure is used. The multi-constraint procedure consists of constraints normalization and equivalent design space assembling. The work is illustrated by an example of the L-shaped domain optimization with the horizontal line support and complex loads. The example takes into consideration stress, fatigue and compliance constraints. The separate and simultaneous application of constraints resulted in significant differences in structure topology layouts. The application of a fatigue constraint gave more conservative results when compared to static stress or compliance limitations. The multi-constrained approach allowed effectively lowering the mass of the structure while satisfying all constraints.

Słowa kluczowe

EN

multi-constrained topology optimization; stress and fatigue constraints; constant criterion surface algorithm

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2012
• Tom: Vol. 60, nr 2
• Strony: 229--236
• Opis fizyczny: Bibliogr. 33 poz., rys.

Twórcy

autor

Mrzygłód M.

• Institute of Rail Vehicles, Cracow University of Technology, 37 Jana Pawła II Ave., 31-864 Kraków, Poland,

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