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id acadia18_244
authors Belanger, Zackery; McGee, Wes; Newell, Catie
year 2018
title Slumped Glass: Auxetics and Acoustics
source ACADIA // 2018: Recalibration. On imprecisionand infidelity. [Proceedings of the 38th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-692-17729-7] Mexico City, Mexico 18-20 October, 2018, pp. 244-249
summary This research investigates the effect of curvature, at a variety of scales, on the acoustic properties of glass. Plate glass, which has predictable and uniform acoustically reflective behavior, can be formed into curved surfaces through a combination of parametrically-driven auxetic pattern generation, CNC water-jet cutting, and controlled heat forming. When curved, plate glass becomes “activated” and complex acoustically-diffusive behavior emerges. The parametrically-driven auxetic perforation pattern allows the curvature to be altered and controlled across a formed pane of glass, and a correlation is demonstrated between the level of curvature and the extent of acoustically diffusive behavior. Beyond individual panels, curved panes can be aggregated to extend acoustic influence to the entire interior room condition, and the pace at which acoustic energy is distributed can be controlled. In this work the parameters surrounding the controlled slumping of glass are described, and room-sized formal and acoustic effects are studied using wave-based acoustic simulation techniques. This paper discusses the early stages of work in progress.
keywords work in progress, materials and adaptive systems, performance and simulation, digital fabrication
series ACADIA
type paper
email cnewell@umich.edu
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100%; open Belanger, Zackery (2012) Find in CUMINCAD Sound Energy Evolution in Two-Dimensional Enclosures as Determined with a Finite Difference Time Domain Method , MA thesis, Rensselaer Polytechnic Institute

100%; open Konakovic, Mina, Keenan Crane, Bailin Deng, Sofien Bouaziz, Daniel Piker, and Mark Pauly (2016) Find in CUMINCAD Beyond Developable: Computational Design and Fabrication with Auxetic Materials , ACM Transactions on Graphics 35 (4): 89

100%; open Kowalczyk, Konrad (2008) Find in CUMINCAD Boundary and medium modelling using compact finite difference schemes in simulations of room acoustics for audio and architectural design applications , Ph.D. thesis, Queen’s University, Belfast

100%; open McGee, Wes, Catie Newell, and Aaron Willette (2012) Find in CUMINCAD Glass Casts A Reconfigurable Tooling System for Free-form Glass Manufacturing , Synthetic Digital Ecologies: Proceedings of the 32nd Annual Conference of the Association for Computer Aided Design in Architecture, edited by Jason Kelly Johnson, Mark Cabrinha, and Kyle Steinfeld, 47–9. San Francisco: ACADIA

100%; open Neugebauer, Jurgen (2014) Find in CUMINCAD Applications for Curved Glass in Buildings , Journal of Facade Design and Engineering 2 (1–2): 67–83

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