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    A Dynamic Generalized Self-Consistent Model for Wave Propagation in Particulate Composites

    Source: Journal of Applied Mechanics:;2018:;volume( 070 ):;issue: 004::page 575
    Author:
    Yang, R.-B.
    DOI: 10.1115/1.1576806
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Wave propagations in an inhomogeneous medium (e.g., voids, particles, defects, inclusions) undergo multiple scattering which results in a frequency-dependent velocity and attenuation of coherent wave. The aim of this study is to analyses multiple scattering of plane compressional and shear waves in a composite containing randomly distributed spherical inclusions in a homogenous isotropic medium. To calculate effective wave numbers of ultrasonic waves propagating in the heterogeneous material, a generalized self-consistent multiple scattering model is used in this study. Numerical results for the effective phase velocity and attenuation of both P and SV waves are calculated for a wide range of frequencies and concentrations. The proposed dynamic generalized self-consistent model for particulate composites recovers both well-known static effective moduli in the static limit and the results at higher frequencies and concentrations agree well with published experimental data.
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      A Dynamic Generalized Self-Consistent Model for Wave Propagation in Particulate Composites

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    contributor authorYang, R.-B.
    date accessioned2019-02-28T11:05:41Z
    date available2019-02-28T11:05:41Z
    date copyright8/25/2003 12:00:00 AM
    date issued2018
    identifier issn0021-8936
    identifier other575_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4252609
    description abstractWave propagations in an inhomogeneous medium (e.g., voids, particles, defects, inclusions) undergo multiple scattering which results in a frequency-dependent velocity and attenuation of coherent wave. The aim of this study is to analyses multiple scattering of plane compressional and shear waves in a composite containing randomly distributed spherical inclusions in a homogenous isotropic medium. To calculate effective wave numbers of ultrasonic waves propagating in the heterogeneous material, a generalized self-consistent multiple scattering model is used in this study. Numerical results for the effective phase velocity and attenuation of both P and SV waves are calculated for a wide range of frequencies and concentrations. The proposed dynamic generalized self-consistent model for particulate composites recovers both well-known static effective moduli in the static limit and the results at higher frequencies and concentrations agree well with published experimental data.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleA Dynamic Generalized Self-Consistent Model for Wave Propagation in Particulate Composites
    typeJournal Paper
    journal volume70
    journal issue4
    journal titleJournal of Applied Mechanics
    identifier doi10.1115/1.1576806
    journal fristpage575
    journal lastpage582
    treeJournal of Applied Mechanics:;2018:;volume( 070 ):;issue: 004
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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