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Stress-based topology optimization considering uncertainties or partial damage
Citation Link: https://doi.org/10.15480/882.16061
Publikationstyp
Doctoral Thesis
Date Issued
2025
Sprache
English
Author(s)
Advisor
Referee
Title Granting Institution
Technische Universität Hamburg
Place of Title Granting Institution
Hamburg
Examination Date
2025-09-24
Institute
TORE-DOI
Citation
Technische Universität Hamburg (2025)
Performing structural optimization, without taking possible uncertainties into account, can lead to catastrophic consequences. Hence, various types of uncertainties are considered during optimization, and different problem formulations are investigated regarding their numerical efficiency. A special focus in this regard is on stress induced effects. In the case of unpredictable partial damages, it could be demonstrated, that a classical damage patch formulation with a reduced number of patches yields the best performing designs. Regarding other uncertainties, such as material properties, loading, and geometry, a generalized robust formulation is proposed.
Subjects
damage robustness
stress-based and robust topology optimization
optimization under uncertainties
DDC Class
620.11: Engineering Materials
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main_diss_v2.pdf
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19.73 MB
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Adobe PDF