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Title: Improving the design of M-shape noise barriers using the boundary element method and evolutionary algorithms
Authors: Greiner, D. 
Aznárez, J. J. 
Maeso, O. 
Winter, G. 
Issue Date: 2007
Publisher: 1759-3433
Journal: Civil-Comp Proceedings 
Conference: 9th International Conference on the Application of Artificial Intelligence to Civil, Structural and Environmental Engineering, AICivil-Comp 2007 
Abstract: Shape optimum design of M-shaped noise barriers is carried out using BEM for modelling and evolutionary algorithms for optimization. The sound level is calculated being known: The source position, the receptor position, the barrier shape, and the sound frequency. The fitness function to minimize is the sum of squared differences corresponding to the insertion loss (IL) throughout a set of frequencies belonging to the one-third octave band spectra of two barriers: The candidate M-barrier design and a reference noise barrier design (a simple barrier with higher effective height than the maximum constrained value of the design). The obtained results succeed in accomplishing the imposed requirements. Results are detailed in terms of IL values and barrier shape designs, numerically and graphically. © Civil-Comp Press, 2007.
ISBN: 9781905088201
ISSN: 1759-3433
Source: Civil-Comp Proceedings[ISSN 1759-3433],v. 87
Appears in Collections:Actas de congresos
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