Bayesian parameter identification of orthotropic composite materials using Lamb waves dispersion curves measurement

被引：16

作者：

Gallina, Alberto ^{[1
]}

Ambrozinski, Lukasz ^{[1
]}

Packo, Pawel ^{[1
]}

Pieczonka, Lukasz ^{[1
]}

Uhl, Tadeusz ^{[1
]}

Staszewski, Wieslaw J. ^{[1
]}

机构：

[1] AGH Univ Sci & Technol, Krakow, Poland

来源：

JOURNAL OF VIBRATION AND CONTROL | 2017年 / 23卷 / 16期

关键词：

Parameter identification; laminated composites; guided waves; dispersion curves; Bayesian method; MODEL CLASS SELECTION; ELASTIC-CONSTANTS; LAMINATED PLATES;

D O I：

10.1177/1077546315619264

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

This paper deals with the problem of elastic constant identification in thin plates made of orthotropic composite materials. The approach is based on the analysis of Lamb wave propagation and the related dispersion curves to find the underlying material elastic constants. In the proposed implementation a scanning laser Doppler vibrometer is used to measure Lamb wave dispersion curves. The Local Interaction Simulation Approach is used simultaneously to find a solution to a high-frequency wave propagation problem. The experimental and simulated data are combined in a Bayesian framework for parameter identification which is robust in condition of parameter, modeling and measurement uncertainty. The results are discussed and compared with the results from a deterministic optimization.

引用

收藏

页码：2656 / 2671

页数：16

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