Optimizing Free-Form Grid Shells with Reclaimed Elements under Inventory Constraints

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dc.contributor.authorFavilli, Andreaen_US
dc.contributor.authorLaccone, Francescoen_US
dc.contributor.authorCignoni, Paoloen_US
dc.contributor.authorMalomo, Luigien_US
dc.contributor.authorGiorgi, Danielaen_US
dc.contributor.editorBousseau, Adrienen_US
dc.contributor.editorDay, Angelaen_US
dc.date.accessioned2025-05-09T09:13:24Z
dc.date.available2025-05-09T09:13:24Z
dc.date.issued2025
dc.description.abstractWe propose a method for designing 3D architectural free-form surfaces, represented as grid shells with beams sourced from inventories of reclaimed elements from dismantled buildings. In inventory-constrained design, the reused elements must be paired with elements in the target design. Traditional solutions to this assignment problem often result in cuts and material waste or geometric distortions that affect the surface aesthetics and buildability. Our method for inventory-constrained assisted design blends the traditional assignment problem with differentiable geometry optimization to reduce cut-off waste while preserving the design intent. Additionally, we extend our approach to incorporate strain energy minimization for structural efficiency. We design differentiable losses that account for inventory, geometry, and structural constraints, and streamline them into a complete pipeline, demonstrated through several case studies. Our approach enables the reuse of existing elements for new designs, reducing the need for sourcing new materials and disposing of waste. Consequently, it can serve as an initial step towards mitigating the significant environmental impact of the construction sector.en_US
dc.description.number2
dc.description.sectionheadersBuilt for Reality: Analyzing, Crafting and Fabricating Structures
dc.description.seriesinformationComputer Graphics Forum
dc.description.volume44
dc.identifier.doi10.1111/cgf.70047
dc.identifier.issn1467-8659
dc.identifier.pages15 pages
dc.identifier.urihttps://doi.org/10.1111/cgf.70047
dc.identifier.urihttps://diglib.eg.org/handle/10.1111/cgf70047
dc.publisherThe Eurographics Association and John Wiley & Sons Ltd.en_US
dc.rightsAttribution 4.0 International License
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectCCS Concepts: Applied computing → Engineering; Computing methodologies → Simulation types and techniques; Machine learning
dc.subjectApplied computing → Engineering
dc.subjectComputing methodologies → Simulation types and techniques
dc.subjectMachine learning
dc.titleOptimizing Free-Form Grid Shells with Reclaimed Elements under Inventory Constraintsen_US
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