Proposal of a new plane shape of an opera house-optimized by genetic algorithms
Identifieur interne : 002181 ( Main/Curation ); précédent : 002180; suivant : 002182Proposal of a new plane shape of an opera house-optimized by genetic algorithms
Auteurs : Takuya Hotehama [Japon] ; Yoichi Ando [Japon] ; Akinori Tani [Japon] ; Hiroshi Kawamura [Japon]Source :
- The Journal of the Acoustical Society of America [ 0001-4966 ] ; 2001-05-04.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
The horseshoe-shaped theater has been the main shape from historical circumstances. However, from acoustical points of view, the rationality of the peculiar plane shape is not yet verified more than historical refinement. In this study, in order to make the theater shape more acoustically excellent, optimization for temporal and spatial factors in the theory of the subjective preference was made using genetic algorithms (GAs) by operating the positions of side walls. Results reconfirm that the plane shape of the optimized theater is a leaf shape, which has been verified to be acoustically rational in a concert hall. And, further possible shapes are also offered.
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Pascal:04-0182703Le document en format XML
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<front><div type="abstract" xml:lang="en">The horseshoe-shaped theater has been the main shape from historical circumstances. However, from acoustical points of view, the rationality of the peculiar plane shape is not yet verified more than historical refinement. In this study, in order to make the theater shape more acoustically excellent, optimization for temporal and spatial factors in the theory of the subjective preference was made using genetic algorithms (GAs) by operating the positions of side walls. Results reconfirm that the plane shape of the optimized theater is a leaf shape, which has been verified to be acoustically rational in a concert hall. And, further possible shapes are also offered.</div>
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