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dc.contributor.authorEigensatz, Michael
dc.contributor.authorKilian, Martin
dc.contributor.authorSchiftner, Alexander
dc.contributor.authorMitra, Niloy J.
dc.contributor.authorPottmann, Helmut
dc.contributor.authorPauly, Mark
dc.date.accessioned2015-08-24T08:32:27Z
dc.date.available2015-08-24T08:32:27Z
dc.date.issued2010-07-26
dc.identifier.issn07300301
dc.identifier.doi10.1145/1778765.1778782
dc.identifier.urihttp://hdl.handle.net/10754/575544
dc.description.abstractThe emergence of large-scale freeform shapes in architecture poses big challenges to the fabrication of such structures. A key problem is the approximation of the design surface by a union of patches, socalled panels, that can be manufactured with a selected technology at reasonable cost, while meeting the design intent and achieving the desired aesthetic quality of panel layout and surface smoothness. The production of curved panels is mostly based on molds. Since the cost of mold fabrication often dominates the panel cost, there is strong incentive to use the same mold for multiple panels. We cast the major practical requirements for architectural surface paneling, including mold reuse, into a global optimization framework that interleaves discrete and continuous optimization steps to minimize production cost while meeting user-specified quality constraints. The search space for optimization is mainly generated through controlled deviation from the design surface and tolerances on positional and normal continuity between neighboring panels. A novel 6-dimensional metric space allows us to quickly compute approximate inter-panel distances, which dramatically improves the performance of the optimization and enables the handling of complex arrangements with thousands of panels. The practical relevance of our system is demonstrated by paneling solutions for real, cutting-edge architectural freeform design projects. © 2010 ACM.
dc.publisherAssociation for Computing Machinery (ACM)
dc.subjectArchitectural geometry
dc.subjectFreeform design
dc.subjectGeometric optimization
dc.subjectRationalization
dc.titlePaneling architectural freeform surfaces
dc.typeArticle
dc.contributor.departmentApplied Mathematics and Computational Science Program
dc.contributor.departmentComputer Science Program
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
dc.contributor.departmentVisual Computing Center (VCC)
dc.identifier.journalACM Transactions on Graphics
dc.contributor.institutionETH Zurich, EPFL, Switzerland
dc.contributor.institutionEvolute, TU Wien, Austria
kaust.personMitra, Niloy J.
kaust.personPottmann, Helmut


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