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@article{Huang:2021:10.1121/10.0005266,
author = {Huang, M and Rokhlin, S and Lowe, MJS},
doi = {10.1121/10.0005266},
journal = {JASA Express Letters},
pages = {1--8},
title = {Finite element evaluation of a simple model for elastic waves in strongly scattering elongated polycrystals},
url = {http://dx.doi.org/10.1121/10.0005266},
volume = {1},
year = {2021}
}

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TY  - JOUR
AB  - A simple semi-analytical model for longitudinal scattering-induced attenuation and phase velocity is proposed for strongly scattering cubic polycrystals with statistically elongated grains. It is formulated by iterating the Born approximation of the far-field approximation model and by empirically increasing the coefficient in the quadratic term for the elastic scattering factor. The comparison with the three-dimensional grain-scale finite element calculations shows excellent performance of the semi-analytical model for both attenuation and phase velocity in all studied frequency ranges and especially in the Rayleigh regime in which, for strongly scattering materials, the existing analytical models significantly disagree with the numerical results.
AU  - Huang,M
AU  - Rokhlin,S
AU  - Lowe,MJS
DO  - 10.1121/10.0005266
EP  - 8
PY  - 2021///
SN  - 2691-1191
SP  - 1
TI  - Finite element evaluation of a simple model for elastic waves in strongly scattering elongated polycrystals
T2  - JASA Express Letters
UR  - http://dx.doi.org/10.1121/10.0005266
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000663461700001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - https://asa.scitation.org/doi/10.1121/10.0005266
UR  - http://hdl.handle.net/10044/1/90141
VL  - 1
ER  -

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