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supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

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id caadria2013_258
authors Reinhardt, Dagmar; William Martens and Luis Miranda
year 2013
title Sonic Domes – Solving Acoustic Performance of Curved Surfaces by Interfacing Parametric Design, Structural Engineering and Acoustic Analysis
source Open Systems: Proceedings of the 18th International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2013) / Singapore 15-18 May 2013, pp. 529-538
wos WOS:000351496100052
summary This paper addresses the acoustic performance of complex curved surface geometries that are commonly known to pose problems of sound concentration, thus affecting speech intelligibility and audience experience in spaces of temporal arts performance. It reviews an open system of design research in which parametric design process, structural analysis and acoustic analysis are deployed to improve the sound of ellipsoidal structures in relation to sound source and audience positions, by adapting the height, dimension and centre point of a dome structure, consequently improving the acoustic behaviour of the performance space. The paper discusses an iterative design, analysis and optimization processes, in which a number of generative form variations were developed in Grasshopper, and reworked in McNeel Rhino, tested in engineering software (Strand7), and evaluated in acoustic simulation (ODEON). This allowed an interdisciplinary team to develop, test and evolve a design proposal that shows one solution for avoiding sound concentration and consequently improving acoustic performance in complex intersecting and curved geometries of a multifunctional building.  
keywords Parametric design, Sound concentration, Curved surfaces, Structural engineering, Acoustic simulation  
series CAADRIA
email dagmar.reinhardt@sydney.edu.au
full text file.pdf (15,650,724 bytes)
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