Estimation of measurement errors in orthotropic elastic moduli determined from natural frequencies
Sign Up to like & getrecommendations! Published in 2017 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-016-1552-9
Abstract: Orthotropic elastic moduli of composite structures can be identified by nonlinear least squares fit between measured and computed natural frequencies. However, due to measurement errors contained in the measured natural frequencies and mode shapes, the… read more here.
Keywords: test specimen; measurement errors; orthotropic elastic; elastic moduli ... See more keywords
Formulas for the H/V ratio (ellipticity) of Rayleigh waves in orthotropic elastic half-spaces
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DOI: 10.1080/17455030.2018.1470702
Abstract: ABSTRACT This paper concerns the propagation of Rayleigh waves in compressible and incompressible orthotropic elastic half-spaces. The main aim of the paper is to derive formulas for the H/V ratio (ellipticity) of Rayleigh waves. First,… read more here.
Keywords: rayleigh waves; elastic half; formulas ratio; orthotropic elastic ... See more keywords
Lamb waves in sandwich orthotropic elastic plates
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DOI: 10.1080/17455030.2021.1940352
Abstract: In this paper, the propagation of Lamb waves in an orthotropic elastic sandwich plate is investigated. The surface layers and the core layer may be compressible or incompressible. The main aim of t... read more here.
Keywords: sandwich orthotropic; lamb waves; waves sandwich; orthotropic elastic ... See more keywords