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On the construction of multiscale surrogates for design optimization of acoustical materials

Trinh, V.H. and Guilleminot, J. and Perrot, C. (2018) On the construction of multiscale surrogates for design optimization of acoustical materials. Acta Acustica united with Acustica, 104 (1). pp. 1-4. ISSN 16101928

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Abstract

This paper is concerned with the use of polynomial metamodels for the design of acoustical materials, considered as equivalent fluids. Polynomial series in microstructural parameters are considered, and allow us to approximate the multiscale solution map in some well-defined sense. The relevance of the framework is illustrated by considering the prediction of the sound absorption coefficient. In accordance with theoretical results provided elsewhere in the literature, it is shown that the surrogate model can accurately approximate the solution map at a reasonable computational cost, depending on the dimension of the input parameter space. Microstructural and process optimization by design are two envisioned applications. © S. Hirzel Verlag EAA.

Item Type: Article
Divisions: Faculties > Faculty of Vehicle and Energy Engineering
Identification Number: 10.3813/AAA.919139
Uncontrolled Keywords: Acoustic wave absorption; Optimization; Polynomials; Sound insulating materials; Computational costs; Design optimization; Micro-structural; Microstructural parameters; Multiscale solutions; Polynomial series; Sound absorption coefficients; Surrogate model; Design
Additional Information: Language of original document: English. All Open Access, Hybrid Gold, Green.
URI: http://eprints.lqdtu.edu.vn/id/eprint/9633

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