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id acadia12_305
authors Kock, Jeffrey ; Bradley, Benjamin ; Levelle, Evan
year 2012
title The Digital-Physical Feedback Loop: A Case Study
source ACADIA 12: Synthetic Digital Ecologies [Proceedings of the 32nd Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-1-62407-267-3] San Francisco 18-21 October, 2012), pp. 305-314
summary Kukje Art Center, Seoul’s new gallery designed by SO-IL, features a totally bespoke chainmail mesh system (submission note: the authors are not affiliated with SO-IL). A single sheet of complex-curved, tensioned mesh, made up of interlocking 40mm diameter stainless steel rings, wraps the building. This paper discusses the stages of a feedback loop process employed by the authors to refine a digital model of the mesh. The mesh’s perimeter attachment system does not prescribe ring locations, allowing the mesh to form find for itself during installation. As a result, the digital model must capture the behavioral tendencies of the mesh as it negotiates the building’s geometry. Paramount in meeting this challenge was the use of physical mockups. At each stage of the feedback loop process, the working digital model was used to develop a physical mockup of increased scale and complexity, and this mockup was used to refine the digital model. Ultimately, the model output of a mesh relaxation algorithm was used as the basis for engineering simulations and predictions of the mesh vertical ringcount needed at specific locations around the building. Mesh vertical ringcount predictions are validated relative to a 1:1 mockup and the installed Kukje Art Center mesh.
keywords minimal surface , chainmail mesh , form finding , dynamic relaxation , finite element analysis , feedback loop , tensioned fabric , physical mockup , bespoke cladding , Kukje , Seoul
series ACADIA
type normal paper
full text file.pdf (389,818 bytes)
references Content-type: text/plain
Details Citation Select
100%; open Bechthold, M (2008) Find in CUMINCAD Innovative Surface Structures , New York: Taylor & Francis

100%; open Sandner, D., and D. Mok (2007) Find in CUMINCAD Stuttgart 21 Main Station—Shape Development and Modelling of the New Station Hall , International Association for Bridge and Structural Engineering 93

100%; open Williams, C (2001) Find in CUMINCAD The Analytic and Numerical Definition of the Geometry of the British Museum Great Court Roof , Mathematics & Design

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