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Damage Tolerance in Topologically Optimized Structures: Exploring Structural Integrity Through Worst-Case Damage Optimization

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Proceedings of the International Conference of Steel and Composite for Engineering Structures (ICSCES 2023)

Part of the book series: Lecture Notes in Civil Engineering ((LNCE,volume 486))

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Abstract

This paper investigates the application of topology optimization techniques to enhance damage tolerance in structural systems. The focus is on worst-case damage distribution scenarios, aiming to minimize the vulnerability of structures to localized damage. The study proposes a methodology that combines topology optimization with worst-case scenario analysis to identify optimal structural configurations. Considering cantilever beam structures under three distinct boundary conditions, with varying damage sizes, the paper identifies worst-case damage scenarios in both fully and topologically optimized structures. The results demonstrate the algorithm’s efficacy in identifying these scenarios and its adaptability to different structural shapes, boundary conditions, and damage sizes. Comparative analyses between fully and topologically optimized structures yield specific insights into the structures’ performance, equipping structural engineers and researchers focused on topology optimization with valuable information to enhance structural robustness and resilience.

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Authors and Affiliations

  1. Design Engineering Lab, Department of Mechanical Systems Engineering, Toyota Technological Institute, 2-12-1 Hisakata, Tenpaku-ku, Nagoya, Aichi, 468-8511, Japan

    Brahim Benaissa & Masakazu Kobayashi

  2. Department of Advanced Science and Technology, Toyota Technological Institute, 2-12-1 Hisakata, Tenpaku-ku, Nagoya, Aichi, 468-8511, Japan

    Musaddiq Al Ali

  3. Center for Engineering Application and Technology Solutions, Ho Chi Minh City Open University, Ho Chi Minh City, Vietnam

    Thanh Cuong-Le

  4. Soete Laboratory, Faculty of Engineering and Architecture, Ghent University, Technologiepark Zwijnaarde 903, 9052, Zwijnaarde, Belgium

    Samir Khatir

Authors
  1. Brahim Benaissa
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  2. Musaddiq Al Ali
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  3. Masakazu Kobayashi
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  4. Thanh Cuong-Le
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  5. Samir Khatir
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Corresponding author

Correspondence to Brahim Benaissa .

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Editors and Affiliations

  1. Design Engineering Laboratory, Toyota Technological Institute, Nagoya, Japan

    Brahim Benaissa

  2. DICEA, UniversitĂ  Politecnica delle Marche, Ancona, Italy

    Roberto Capozucca

  3. CEATS Center, Ho Chi Minh City Open University, Ho Chi Minh City, Vietnam

    Samir Khatir

  4. Dept. ABC, Politecnico di Milano, Milan, Italy

    Gabriele Milani

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Benaissa, B., Al Ali, M., Kobayashi, M., Cuong-Le, T., Khatir, S. (2024). Damage Tolerance in Topologically Optimized Structures: Exploring Structural Integrity Through Worst-Case Damage Optimization. In: Benaissa, B., Capozucca, R., Khatir, S., Milani, G. (eds) Proceedings of the International Conference of Steel and Composite for Engineering Structures. ICSCES 2023. Lecture Notes in Civil Engineering, vol 486. Springer, Cham. https://doi.org/10.1007/978-3-031-57224-1_23

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  • DOI: https://doi.org/10.1007/978-3-031-57224-1_23

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-031-57223-4

  • Online ISBN: 978-3-031-57224-1

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