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Herron, Ethan; Rade, Jaydeep; Jignasu, Anushrut; Ganapathysubramanian, Baskar; Balu, Aditya; Sarkar, Soumik; Krishnamurthy, Adarsh
Computer aided design, June 2024, 2024-06-00, Letnik: 171Journal Article
Recent advances in generative modeling, namely Diffusion models, have revolutionized generative modeling, enabling high-quality image generation tailored to user needs. This paper proposes a framework for the generative design of structural components. Specifically, we employ a Latent Diffusion model to generate potential designs of a component that can satisfy a set of problem-specific loading conditions. One of the distinct advantages our approach offers over other generative approaches is the editing of existing designs. We train our model using a dataset of geometries obtained from structural topology optimization utilizing the SIMP algorithm. Consequently, our framework generates inherently near-optimal designs. Our work presents quantitative results that support the structural performance of the generated designs and the variability in potential candidate designs. Furthermore, we provide evidence of the scalability of our framework by operating over voxel domains with resolutions varying from 323 to 1283. Our framework can be used as a starting point for generating novel near-optimal designs similar to topology-optimized designs. •Latent diffusion model for generating 3D structural component designs.•Framework for generating component designs consistent with topology optimization.•Generated designs have similar (near-optimal) strain energy to SIMP designs.•Large scale 3D voxel dataset for structural topology optimization.
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