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Heuristic Optimization Rules Applied for the Sustainable Design of Lightweight Engineering Structures Under Loads Subject to Random Changes

Author

Listed:
  • Katarzyna Tajs-Zielińska

    (Faculty of Mechanical Engineering, Cracow University of Technology, 31-155 Cracow, Poland)

  • Bogdan Bochenek

    (Faculty of Mechanical Engineering, Cracow University of Technology, 31-155 Cracow, Poland)

Abstract

In engineering design, optimization is crucial for achieving sustainable goals. This involves creating environmentally responsible structures. Optimizing the design is the first step in reducing the environmental impact of construction. Topology optimization (TO) is one way to do this. TO is the process of designing the material layout in the design domain according to selected criteria. The criteria can be explicitly defined to promote sustainability. As a result, a new structure topology is proposed to make the structure both lightweight and durable, with the aim of improving its functionality and reducing its environmental impact. In optimal engineering design, it is particularly important to take into account the structure’s special operating conditions, e.g., loads subject to random changes. Predicting topologies under such conditions is important since random load changes can significantly affect the resulting topologies. In this paper, an easy to implement numerical method for this kind of problem is proposed. The basic idea is to transform a random loads case into the deterministic problem of multiple loads. A heuristic method of Cellular Automata is proposed as a numerical optimization tool. The examples of topology optimization have been performed to illustrate the concept, confirming the efficiency, versatility, and ease of its implementation.

Suggested Citation

  • Katarzyna Tajs-Zielińska & Bogdan Bochenek, 2025. "Heuristic Optimization Rules Applied for the Sustainable Design of Lightweight Engineering Structures Under Loads Subject to Random Changes," Sustainability, MDPI, vol. 17(15), pages 1-18, August.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:15:p:7011-:d:1715838
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    References listed on IDEAS

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    1. William Patrick Ryan-Johnson & Larson Curtis Wolfe & Christopher Roder Byron & Jacquelyn Kay Nagel & Hao Zhang, 2021. "A Systems Approach of Topology Optimization for Bioinspired Material Structures Design Using Additive Manufacturing," Sustainability, MDPI, vol. 13(14), pages 1-19, July.
    2. Muhammad Muzammil Azad & Dohoon Kim & Salman Khalid & Heung Soo Kim, 2022. "Topology Optimization and Fatigue Life Estimation of Sustainable Medical Waste Shredder Blade," Mathematics, MDPI, vol. 10(11), pages 1-19, May.
    3. Xiaoying Zhang & Wei Xu & Rongrong Li & Jichun Zhou & Zhongyu Luo, 2024. "Study on Sustainable Lightweight Design of Airport Waiting Chair Frame Structure Based on ANSYS Workbench," Sustainability, MDPI, vol. 16(13), pages 1-19, June.
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