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Chapitre D'ouvrage Année : 2010

Dielectric spectra analysis: reliable parameter estimation using interval analysis

Résumé

Dielectric spectroscopy is an extremely versatile method for characterizing the molecular dynamics over a large range of time scales. Unfortunately, the extraction of model parameters by data fitting is still a crucial problem which is now solved by our program S.A.D.E. S.A.D.E. is based on the algorithm S.I.V.I.A. which was proposed and implemented by Jaulin in order to solve constraint satisfaction problems. The problem of dielectric data analysis is reduced to a problem of choosing the appropriate physical model. In this article, Debye relaxations were used and validated to fit the relaxations of a DGEBA prepolymer and the polarization of the spectrometer electrodes. The conductivity was evaluated too.

Domaines

Matériaux
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Dates et versions

hal-04351373 , version 1 (18-12-2023)

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  • HAL Id : hal-04351373 , version 1

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Adrien Brochier, Maëlenn Aufray, Wulff Possart. Dielectric spectra analysis: reliable parameter estimation using interval analysis. Materials with complex behaviour: modelling, simulation, testing, and applications, Springer, pp.99-123, 2010, 978-3-642-12667-3. ⟨hal-04351373⟩
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