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    Fabric Evolution of Ellipsoidal Arrays with Different Particle Shapes

    Source: Journal of Engineering Mechanics:;2001:;Volume ( 127 ):;issue: 010
    Author:
    Tang-Tat Ng
    DOI: 10.1061/(ASCE)0733-9399(2001)127:10(994)
    Publisher: American Society of Civil Engineers
    Abstract: Fabric evolution of ellipsoidal arrays under drained triaxial compression loading was obtained by the discrete element method. The ellipsoidal arrays (specimens) consist of 520 identical ellipsoidal particles. The effect of particle shape on fabric evolution was studied by using four different aspect ratios (major/minor axis of the ellipsoidal particle) varying between 1.2 and 2. In the simulation, a large axial strain up to 80% was applied to the specimen. In addition to the typical macroscopic results, the fabric (microscopic information) of the specimen at certain stages was presented. The fabric includes the distribution of particle orientations and the distribution of branch vectors and normal vectors. Two distribution indicators quantified these distributions and one distribution indicator was identified to have direct variation with the principal stress ratio.
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      Fabric Evolution of Ellipsoidal Arrays with Different Particle Shapes

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    http://yetl.yabesh.ir/yetl1/handle/yetl/85293
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    contributor authorTang-Tat Ng
    date accessioned2017-05-08T22:39:25Z
    date available2017-05-08T22:39:25Z
    date copyrightOctober 2001
    date issued2001
    identifier other%28asce%290733-9399%282001%29127%3A10%28994%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/85293
    description abstractFabric evolution of ellipsoidal arrays under drained triaxial compression loading was obtained by the discrete element method. The ellipsoidal arrays (specimens) consist of 520 identical ellipsoidal particles. The effect of particle shape on fabric evolution was studied by using four different aspect ratios (major/minor axis of the ellipsoidal particle) varying between 1.2 and 2. In the simulation, a large axial strain up to 80% was applied to the specimen. In addition to the typical macroscopic results, the fabric (microscopic information) of the specimen at certain stages was presented. The fabric includes the distribution of particle orientations and the distribution of branch vectors and normal vectors. Two distribution indicators quantified these distributions and one distribution indicator was identified to have direct variation with the principal stress ratio.
    publisherAmerican Society of Civil Engineers
    titleFabric Evolution of Ellipsoidal Arrays with Different Particle Shapes
    typeJournal Paper
    journal volume127
    journal issue10
    journal titleJournal of Engineering Mechanics
    identifier doi10.1061/(ASCE)0733-9399(2001)127:10(994)
    treeJournal of Engineering Mechanics:;2001:;Volume ( 127 ):;issue: 010
    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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