Classic architecture or classically inspired architecture benefits from the fact that scattering surface, in the form of columns, statuary, and relief ornamentation, is an integral part of the architecture. As architecture evolved into using less ornate surfaces in smooth rectilinear and more recently curvilinear forms, this created a need to design scattering surfaces that complement modern architecture. When contemporary scattering surfaces are required, shape optimization, using any reflective material, has proven to be mutually useful for the acoustician and the architect. A shape drawn by the architect is parametrized and then optimized maintaining the desired motif. An iterative computer program that combines the benefits of boundary element and multidimensional minimization techniques will be described and examples will be shown. When absorption is required, microperforation and microslit designs offer a novel solution, using light transmitting plastics and metals. Microperforated wood veneer panels are also available in which the perforations are barely visible at normal viewing distances. A summary of the theory and application of these ideas can be found in work of Cox and D’Antonio [Acoustic Absorbers and Diffusers: Theory, Design and Application (Spon, 2004)].
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October 2008
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October 15 2008
Acoustical optimization of shapes and materials used in modern architecture.
Peter D’Antonio
Peter D’Antonio
RPG Diffusor Systems, Inc., 651‐C Commerce Dr., Upper Marlboro, MD 20774, [email protected]
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J. Acoust. Soc. Am. 124, 2563 (2008)
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Peter D’Antonio; Acoustical optimization of shapes and materials used in modern architecture.. J. Acoust. Soc. Am. 1 October 2008; 124 (4_Supplement): 2563. https://doi.org/10.1121/1.4783072
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